1 | /**************************************** |
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2 | * Computer Algebra System SINGULAR * |
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3 | ****************************************/ |
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4 | /* $Id: febase.cc,v 1.5 2005-07-26 17:04:15 Singular Exp $ */ |
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5 | /* |
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6 | * ABSTRACT: i/o system |
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7 | */ |
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8 | |
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9 | /* I need myfread in standalone_parser */ |
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10 | #ifndef STANDALONE_PARSER |
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11 | #include "mod2.h" |
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12 | |
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13 | #include <stdlib.h> |
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14 | #include <stdio.h> |
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15 | #include <mylimits.h> |
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16 | #include <stdarg.h> |
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17 | #include <sys/stat.h> |
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18 | #include <ctype.h> |
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19 | #include <unistd.h> |
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20 | #ifdef NeXT |
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21 | #include <sys/file.h> |
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22 | #endif |
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23 | #ifdef ix86_Linux_libc5 |
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24 | #undef stdin |
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25 | extern FILE *stdin; |
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26 | #endif |
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27 | |
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28 | #ifdef HAVE_PWD_H |
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29 | #include "pwd.h" |
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30 | #endif |
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31 | |
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32 | #include "febase.h" |
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33 | #include "omalloc.h" |
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34 | #include "dError.h" |
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35 | #include "../Singular/ipshell.h" |
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36 | |
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37 | #define fePutChar(c) fputc((uchar)(c),stdout) |
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38 | /*0 implementation */ |
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39 | |
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40 | char fe_promptstr[] |
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41 | #ifdef macintosh |
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42 | =" \n"; |
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43 | #else |
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44 | =" "; |
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45 | #endif |
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46 | |
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47 | #define INITIAL_PRINT_BUFFER 24*1024 |
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48 | static int feBufferLength=INITIAL_PRINT_BUFFER; |
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49 | static char * feBuffer=(char *)omAlloc(INITIAL_PRINT_BUFFER); |
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50 | |
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51 | int si_echo = 0; |
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52 | int printlevel = 0; |
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53 | #ifndef macintosh |
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54 | int pagelength = 24; |
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55 | #else |
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56 | int pagelength = -1; |
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57 | #endif |
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58 | int colmax = 80; |
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59 | char prompt_char = '>'; /*1 either '>' or '.'*/ |
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60 | extern "C" { |
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61 | BITSET verbose = 1 |
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62 | | Sy_bit(V_REDEFINE) |
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63 | | Sy_bit(V_LOAD_LIB) |
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64 | | Sy_bit(V_SHOW_USE) |
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65 | | Sy_bit(V_PROMPT) |
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66 | /* | Sy_bit(V_DEBUG_MEM) */ |
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67 | ;} |
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68 | BOOLEAN errorreported = FALSE; |
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69 | char * feErrors=NULL; |
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70 | int feErrorsLen=0; |
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71 | BOOLEAN feWarn = TRUE; |
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72 | BOOLEAN feOut = TRUE; |
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73 | |
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74 | #ifdef macintosh |
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75 | static int lines = 0; |
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76 | static int cols = 0; |
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77 | #endif |
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78 | |
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79 | const char feNotImplemented[]="not implemented"; |
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80 | |
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81 | BOOLEAN feProt = FALSE; |
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82 | FILE* feProtFile; |
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83 | BOOLEAN tclmode=FALSE; |
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84 | /* TCL-Protocoll (Singular -x): <char type>:<int length>:<string> \n |
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85 | * E:l:s error |
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86 | * W:l:s warning |
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87 | * N:l:s stdout |
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88 | * Q:0: quit |
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89 | * P:l: prompt > (ring defined) |
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90 | * U:l: prompt > (no ring defined) |
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91 | * P:l: prompt . |
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92 | * R:l:<ring-name> ring change |
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93 | * L:l:<lib name> library loaded |
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94 | * O:l:<list of options(space seperated)> option change |
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95 | * M:l:<mem-usage> output from "option(mem)" |
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96 | */ |
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97 | |
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98 | |
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99 | /************************************************************************** |
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100 | * handling of 'voices' |
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101 | **************************************************************************/ |
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102 | |
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103 | extern int blocknest; /* scaner.l internal */ |
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104 | |
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105 | int yy_noeof=0; // the scanner "state" |
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106 | int yy_blocklineno; // to get the lineno of the block start from scanner |
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107 | Voice *currentVoice = NULL; |
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108 | FILE *feFilePending; /*temp. storage for grammar.y */ |
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109 | |
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110 | static char * BT_name[]={"BT_none","BT_break","BT_proc","BT_example", |
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111 | "BT_file","BT_execute","BT_if","BT_else"}; |
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112 | /*2 |
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113 | * the name of the current 'Voice': the procname (or filename) |
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114 | */ |
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115 | const char * sNoName_fe="_"; |
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116 | const char * VoiceName() |
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117 | { |
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118 | if ((currentVoice!=NULL) |
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119 | && (currentVoice->filename!=NULL)) |
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120 | return currentVoice->filename; |
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121 | return sNoName_fe; |
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122 | } |
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123 | |
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124 | /*2 |
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125 | * the calling chain of Voices |
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126 | */ |
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127 | void VoiceBackTrack() |
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128 | { |
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129 | Voice *p=currentVoice; |
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130 | while (p->prev!=NULL) |
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131 | { |
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132 | p=p->prev; |
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133 | char *s=p->filename; |
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134 | if (s==NULL) |
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135 | PrintS("-- called from ? --\n"); |
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136 | else |
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137 | Print("-- called from %s --\n",s); |
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138 | } |
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139 | } |
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140 | |
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141 | /*2 |
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142 | * init a new voice similiar to the current |
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143 | */ |
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144 | void Voice::Next() |
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145 | { |
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146 | Voice *p=new Voice; |
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147 | // OB: ??? |
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148 | // Hmm... when Singular is used as batch file |
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149 | // then this voice is never freed |
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150 | omMarkAsStaticAddr(p); |
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151 | if (currentVoice != NULL) |
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152 | { |
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153 | currentVoice->curr_lineno=yylineno; |
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154 | currentVoice->next=p; |
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155 | } |
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156 | p->prev=currentVoice; |
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157 | currentVoice=p; |
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158 | //Print("Next:"); |
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159 | } |
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160 | |
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161 | feBufferTypes Voice::Typ() |
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162 | { |
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163 | switch(typ) |
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164 | { |
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165 | case BT_proc: |
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166 | case BT_example: |
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167 | case BT_file: |
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168 | return typ; |
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169 | default: |
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170 | if (prev==NULL) return (feBufferTypes)0; |
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171 | return prev->Typ(); |
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172 | } |
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173 | } |
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174 | |
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175 | /*2 |
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176 | * start the file 'fname' (STDIN is stdin) as a new voice (cf.VFile) |
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177 | * return FALSE on success, TRUE if an error occurs (file cannot be opened) |
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178 | */ |
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179 | BOOLEAN newFile(char *fname,FILE* f) |
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180 | { |
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181 | currentVoice->Next(); |
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182 | //Print(":File%d(%s):%s(%x)\n", |
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183 | // currentVoice->typ,BT_name[currentVoice->typ],fname,currentVoice); |
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184 | currentVoice->filename = omStrDup(fname); |
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185 | omMarkAsStaticAddr(currentVoice->filename); |
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186 | if (strcmp(fname,"STDIN") == 0) |
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187 | { |
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188 | currentVoice->files = stdin; |
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189 | currentVoice->sw = BI_stdin; |
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190 | currentVoice->start_lineno = 1; |
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191 | } |
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192 | else |
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193 | { |
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194 | currentVoice->sw = BI_file; /* needed by exitVoice below */ |
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195 | if (f!=NULL) |
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196 | currentVoice->files = f; |
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197 | else |
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198 | { |
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199 | currentVoice->files = feFopen(fname,"r",NULL,TRUE); |
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200 | if (currentVoice->files==NULL) |
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201 | { |
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202 | exitVoice(); |
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203 | return TRUE; |
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204 | } |
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205 | } |
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206 | currentVoice->start_lineno = 0; |
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207 | } |
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208 | yylineno=currentVoice->start_lineno; |
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209 | //Voice *p=currentVoice; |
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210 | //Print("-----------------\ncurr:"); |
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211 | //do |
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212 | //{ |
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213 | //Print("voice fn:%s\n",p->filename); |
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214 | //p=p->prev; |
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215 | //} |
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216 | //while (p!=NULL); |
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217 | //Print("----------------\n"); |
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218 | return FALSE; |
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219 | } |
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220 | |
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221 | void newBuffer(char* s, feBufferTypes t, procinfo* pi, int lineno) |
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222 | { |
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223 | currentVoice->Next(); |
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224 | //Print(":Buffer%d(%s):%s(%x)\n", |
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225 | // t,BT_name[t],pname,currentVoice); |
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226 | if (pi!=NULL) |
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227 | { |
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228 | int l=strlen(pi->procname); |
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229 | if (pi->libname!=NULL) l+=strlen(pi->libname); |
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230 | currentVoice->filename = (char *)omAlloc(l+3); |
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231 | *currentVoice->filename='\0'; |
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232 | if (pi->libname!=NULL) strcat(currentVoice->filename,pi->libname); |
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233 | strcat(currentVoice->filename,"::"); |
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234 | strcat(currentVoice->filename,pi->procname); |
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235 | currentVoice->pi = pi; |
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236 | } |
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237 | else |
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238 | { |
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239 | currentVoice->filename = omStrDup(currentVoice->prev->filename); |
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240 | currentVoice->pi = currentVoice->prev->pi; |
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241 | } |
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242 | currentVoice->buffer = s; |
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243 | currentVoice->sw = BI_buffer; |
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244 | currentVoice->typ = t; |
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245 | switch (t) |
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246 | { |
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247 | case BT_execute: |
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248 | yylineno-=2; |
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249 | break; |
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250 | case BT_proc: |
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251 | case BT_example: |
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252 | currentVoice->oldb=myynewbuffer(); |
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253 | yylineno = lineno+1; |
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254 | break; |
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255 | case BT_if: |
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256 | case BT_else: |
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257 | case BT_break: |
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258 | yylineno = yy_blocklineno-1; |
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259 | break; |
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260 | //case BT_file: |
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261 | default: |
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262 | yylineno = 1; |
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263 | break; |
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264 | } |
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265 | //Print("start body (%s) at line %d\n",BT_name[t],yylineno); |
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266 | currentVoice->start_lineno = yylineno; |
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267 | //printf("start buffer typ %d\n",t); |
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268 | //Voice *p=currentVoice; |
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269 | //Print("-----------------\ncurr:"); |
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270 | //do |
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271 | //{ |
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272 | //Print("voice fn:%s\n",p->filename); |
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273 | //p=p->prev; |
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274 | //} |
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275 | //while (p!=NULL); |
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276 | //Print("----------------\n"); |
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277 | } |
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278 | |
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279 | /*2 |
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280 | * exit Buffer of type 'typ': |
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281 | * returns 1 if buffer type could not be found |
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282 | */ |
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283 | BOOLEAN exitBuffer(feBufferTypes typ) |
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284 | { |
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285 | //printf("exitBuffer: %d(%s),(%x)\n", |
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286 | // typ,BT_name[typ], currentVoice); |
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287 | //Voice *p=currentVoice; |
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288 | //Print("-----------------\ncurr:"); |
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289 | //do |
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290 | //{ |
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291 | //Print("voice fn:%s\n",p->filename); |
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292 | //p=p->prev; |
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293 | //} |
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294 | //while (p!=NULL); |
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295 | //Print("----------------\n"); |
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296 | if (typ == BT_break) // valid inside for, while. may skip if, else |
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297 | { |
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298 | /*4 first check for valid buffer type, skip if/else*/ |
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299 | Voice *p=currentVoice; |
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300 | loop |
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301 | { |
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302 | if ((p->typ != BT_if) |
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303 | &&(p->typ != BT_else)) |
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304 | { |
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305 | if (p->typ == BT_break /*typ*/) |
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306 | { |
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307 | while (p != currentVoice) |
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308 | { |
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309 | exitVoice(); |
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310 | } |
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311 | exitVoice(); |
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312 | return FALSE; |
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313 | } |
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314 | else return TRUE; |
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315 | } |
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316 | if (p->prev==NULL) break; |
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317 | p=p->prev; |
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318 | } |
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319 | /*4 break not inside a for/while: return an error*/ |
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320 | if (/*typ*/ BT_break != currentVoice->typ) return 1; |
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321 | return exitVoice(); |
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322 | } |
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323 | |
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324 | if ((typ == BT_proc) |
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325 | || (typ == BT_example)) |
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326 | { |
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327 | Voice *p=currentVoice; |
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328 | loop |
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329 | { |
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330 | if ((p->typ == BT_proc) |
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331 | || (p->typ == BT_example)) |
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332 | { |
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333 | while (p != currentVoice) |
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334 | { |
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335 | exitVoice(); |
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336 | } |
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337 | exitVoice(); |
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338 | return FALSE; |
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339 | } |
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340 | if (p->prev==NULL) break; |
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341 | p=p->prev; |
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342 | } |
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343 | } |
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344 | /*4 return not inside a proc: return an error*/ |
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345 | return TRUE; |
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346 | } |
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347 | |
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348 | /*2 |
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349 | * jump to the beginning of a buffer |
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350 | */ |
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351 | BOOLEAN contBuffer(feBufferTypes typ) |
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352 | { |
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353 | //printf("contBuffer: %d(%s),(%x)\n", |
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354 | // typ,BT_name[typ], currentVoice); |
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355 | if (typ == BT_break) // valid inside for, while. may skip if, else |
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356 | { |
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357 | // first check for valid buffer type |
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358 | Voice *p=currentVoice; |
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359 | loop |
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360 | { |
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361 | if ((p->typ != BT_if) |
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362 | &&(p->typ != BT_else)) |
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363 | { |
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364 | if (p->typ == BT_break /*typ*/) |
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365 | { |
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366 | while (p != currentVoice) |
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367 | { |
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368 | exitVoice(); |
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369 | } |
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370 | yylineno = currentVoice->start_lineno; |
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371 | currentVoice->fptr=0; |
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372 | return FALSE; |
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373 | } |
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374 | else return TRUE; |
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375 | } |
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376 | if (p->prev==NULL) break; |
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377 | p=p->prev; |
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378 | } |
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379 | } |
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380 | return TRUE; |
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381 | } |
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382 | |
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383 | /*2 |
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384 | * leave a voice: kill local variables |
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385 | * setup everything from the previous level |
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386 | * return 1 if leaving the top level, 0 otherwise |
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387 | */ |
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388 | BOOLEAN exitVoice() |
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389 | { |
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390 | //printf("exitVoice: %d(%s),(%x)\n", |
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391 | // currentVoice->typ,BT_name[currentVoice->typ], currentVoice); |
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392 | //{ |
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393 | //Voice *p=currentVoice; |
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394 | //Print("-----------------\ncurr:"); |
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395 | //do |
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396 | //{ |
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397 | //Print("voice fn:%s\n",p->filename); |
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398 | //p=p->prev; |
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399 | //} |
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400 | //while (p!=NULL); |
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401 | //Print("----------------\n"); |
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402 | //} |
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403 | if (currentVoice!=NULL) |
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404 | { |
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405 | if (currentVoice->oldb!=NULL) |
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406 | { |
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407 | myyoldbuffer(currentVoice->oldb); |
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408 | currentVoice->oldb=NULL; |
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409 | } |
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410 | if ((currentVoice->prev==NULL)&&(currentVoice->sw==BI_file)) |
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411 | { |
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412 | currentVoice->prev=feInitStdin(currentVoice); |
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413 | } |
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414 | if (currentVoice->prev!=NULL) |
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415 | { |
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416 | //printf("exitVoice typ %d(%s)\n", |
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417 | // currentVoice->typ,BT_name[currentVoice->typ]); |
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418 | if (currentVoice->typ==BT_if) |
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419 | { |
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420 | currentVoice->prev->ifsw=2; |
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421 | } |
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422 | else |
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423 | { |
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424 | currentVoice->prev->ifsw=0; |
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425 | } |
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426 | if ((currentVoice->sw == BI_file) |
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427 | && (currentVoice->files!=NULL)) |
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428 | { |
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429 | fclose(currentVoice->files); |
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430 | } |
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431 | if (currentVoice->filename!=NULL) |
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432 | { |
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433 | omFree((ADDRESS)currentVoice->filename); |
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434 | currentVoice->filename=NULL; |
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435 | } |
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436 | if (currentVoice->buffer!=NULL) |
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437 | { |
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438 | omFree((ADDRESS)currentVoice->buffer); |
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439 | currentVoice->buffer=NULL; |
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440 | } |
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441 | yylineno=currentVoice->prev->curr_lineno; |
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442 | currentVoice->prev->next=NULL; |
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443 | } |
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444 | Voice *p=currentVoice->prev; |
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445 | delete currentVoice; |
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446 | currentVoice=p; |
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447 | } |
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448 | return currentVoice==NULL; |
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449 | } |
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450 | |
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451 | /*2 |
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452 | * set prompt_char |
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453 | * only called with currentVoice->sw == BI_stdin |
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454 | */ |
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455 | static void feShowPrompt(void) |
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456 | { |
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457 | fe_promptstr[0]=prompt_char; |
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458 | #ifdef macintosh |
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459 | cols = 0; |
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460 | printf(fe_promptstr);mflush(); |
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461 | #endif |
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462 | } |
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463 | |
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464 | /*2 |
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465 | * print echo (si_echo or TRACE), set my_yylinebuf |
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466 | */ |
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467 | static int fePrintEcho(char *anf, char *b) |
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468 | { |
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469 | char *ss=strrchr(anf,'\n'); |
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470 | int len_s; |
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471 | if (ss==NULL) |
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472 | { |
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473 | len_s=strlen(anf); |
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474 | } |
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475 | else |
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476 | { |
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477 | len_s=ss-anf+1; |
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478 | } |
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479 | // my_yylinebuf: |
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480 | int mrc=si_min(len_s,79)-1; |
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481 | strcpy(my_yylinebuf,anf+(len_s-1)-mrc); |
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482 | if (my_yylinebuf[mrc] == '\n') my_yylinebuf[mrc] = '\0'; |
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483 | mrc--; |
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484 | // handle echo: |
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485 | if (((si_echo>myynest) |
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486 | && ((currentVoice->typ==BT_proc) |
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487 | || (currentVoice->typ==BT_example) |
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488 | || (currentVoice->typ==BT_file) |
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489 | || (currentVoice->typ==BT_none) |
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490 | ) |
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491 | && (strncmp(anf,";return();",10)!=0) |
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492 | ) |
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493 | || (traceit&TRACE_SHOW_LINE) |
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494 | || (traceit&TRACE_SHOW_LINE1)) |
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495 | { |
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496 | if (currentVoice->typ!=BT_example) |
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497 | { |
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498 | if (currentVoice->filename==NULL) |
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499 | Print("(none) %3d%c ",yylineno,prompt_char); |
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500 | else |
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501 | Print("%s %3d%c ",currentVoice->filename,yylineno,prompt_char); |
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502 | } |
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503 | #ifdef HAVE_TCL |
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504 | if(tclmode) |
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505 | { |
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506 | PrintTCL('N',len_s,anf); |
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507 | } |
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508 | else |
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509 | #endif |
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510 | { |
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511 | fwrite(anf,1,len_s,stdout); |
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512 | mflush(); |
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513 | } |
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514 | if (traceit&TRACE_SHOW_LINE) |
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515 | { |
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516 | #ifdef HAVE_TCL |
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517 | if(!tclmode) |
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518 | #endif |
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519 | while(fgetc(stdin)!='\n'); |
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520 | } |
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521 | } |
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522 | else if (traceit&TRACE_SHOW_LINENO) |
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523 | { |
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524 | Print("{%d}",yylineno); |
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525 | mflush(); |
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526 | } |
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527 | #ifdef HAVE_SDB |
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528 | if ((blocknest==0) |
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529 | && (currentVoice->pi!=NULL) |
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530 | && (currentVoice->pi->trace_flag!=0)) |
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531 | { |
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532 | sdb(currentVoice, anf, len_s); |
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533 | } |
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534 | #endif |
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535 | prompt_char = '.'; |
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536 | return len_s; |
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537 | } |
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538 | |
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539 | int feReadLine(char* b, int l) |
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540 | { |
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541 | char *s=NULL; |
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542 | int offset = 0; /* will not be used if s==NULL*/ |
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543 | // try to read from the buffer into b, max l chars |
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544 | if (currentVoice!=NULL) |
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545 | { |
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546 | if((currentVoice->buffer!=NULL) |
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547 | && (currentVoice->buffer[currentVoice->fptr]!='\0')) |
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548 | { |
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549 | NewBuff: |
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550 | register int i=0; |
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551 | long startfptr=currentVoice->fptr; |
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552 | long tmp_ptr=currentVoice->fptr; |
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553 | l--; |
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554 | loop |
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555 | { |
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556 | register char c= |
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557 | b[i]=currentVoice->buffer[tmp_ptr/*currentVoice->fptr*/]; |
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558 | i++; |
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559 | if (yy_noeof==noeof_block) |
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560 | { |
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561 | if (c<' ') yylineno++; |
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562 | else if (c=='}') break; |
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563 | } |
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564 | else |
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565 | { |
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566 | if ((c<' ') || |
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567 | (c==';') || |
---|
568 | (c==')') |
---|
569 | ) |
---|
570 | break; |
---|
571 | } |
---|
572 | if (i>=l) break; |
---|
573 | tmp_ptr++;/*currentVoice->fptr++;*/ |
---|
574 | if(currentVoice->buffer[tmp_ptr/*currentVoice->fptr*/]=='\0') break; |
---|
575 | } |
---|
576 | currentVoice->fptr=tmp_ptr; |
---|
577 | b[i]='\0'; |
---|
578 | if (currentVoice->sw==BI_buffer) |
---|
579 | { |
---|
580 | if (startfptr==0) |
---|
581 | { |
---|
582 | char *anf=currentVoice->buffer; |
---|
583 | char *ss=strchr(anf,'\n'); |
---|
584 | int len; |
---|
585 | if (ss==NULL) len=strlen(anf); |
---|
586 | else len=ss-anf; |
---|
587 | char *s=(char *)omAlloc(len+2); |
---|
588 | strncpy(s,anf,len+2); |
---|
589 | s[len+1]='\0'; |
---|
590 | fePrintEcho(s,b); |
---|
591 | omFree((ADDRESS)s); |
---|
592 | } |
---|
593 | else if (/*(startfptr>0) &&*/ |
---|
594 | (currentVoice->buffer[startfptr-1]=='\n')) |
---|
595 | { |
---|
596 | char *anf=currentVoice->buffer+startfptr; |
---|
597 | char *ss=strchr(anf,'\n'); |
---|
598 | int len; |
---|
599 | if (ss==NULL) len=strlen(anf); |
---|
600 | else len=ss-anf; |
---|
601 | char *s=(char *)omAlloc(len+2); |
---|
602 | strncpy(s,anf,len+2); |
---|
603 | s[len+1]='\0'; |
---|
604 | yylineno++; |
---|
605 | fePrintEcho(s,b); |
---|
606 | omFree((ADDRESS)s); |
---|
607 | } |
---|
608 | } |
---|
609 | currentVoice->fptr++; |
---|
610 | return i; |
---|
611 | } |
---|
612 | // no buffer there or e-o-buffer or eoln: |
---|
613 | if (currentVoice->sw!=BI_buffer) |
---|
614 | { |
---|
615 | currentVoice->fptr=0; |
---|
616 | if (currentVoice->buffer==NULL) |
---|
617 | { |
---|
618 | currentVoice->buffer=(char *)omAlloc(4096-sizeof(ADDRESS)); |
---|
619 | omMarkAsStaticAddr(currentVoice->buffer); |
---|
620 | } |
---|
621 | } |
---|
622 | offset=0; |
---|
623 | NewRead: |
---|
624 | yylineno++; |
---|
625 | if (currentVoice->sw==BI_stdin) |
---|
626 | { |
---|
627 | feShowPrompt(); |
---|
628 | s=fe_fgets_stdin(fe_promptstr, |
---|
629 | &(currentVoice->buffer[offset]), |
---|
630 | (4096-1-sizeof(ADDRESS))-offset); |
---|
631 | int i=0; |
---|
632 | if (s!=NULL) |
---|
633 | while((s[i]!='\0') && (i<4096)) {s[i] &= (char)127;i++;} |
---|
634 | } |
---|
635 | else if (currentVoice->sw==BI_file) |
---|
636 | { |
---|
637 | s=fgets(currentVoice->buffer+offset,(4096-1-sizeof(ADDRESS))-offset, |
---|
638 | currentVoice->files); |
---|
639 | } |
---|
640 | //else /* BI_buffer */ s==NULL => return 0 |
---|
641 | // done by the default return |
---|
642 | } |
---|
643 | if (s!=NULL) |
---|
644 | { |
---|
645 | // handle prot: |
---|
646 | if (feProt&PROT_I) |
---|
647 | { |
---|
648 | fputs(s,feProtFile); |
---|
649 | } |
---|
650 | int rc=fePrintEcho(s,b)+1; |
---|
651 | //s[strlen(s)+1]='\0'; add an second \0 at the end of the string |
---|
652 | s[rc]='\0'; |
---|
653 | // handel \\ : |
---|
654 | rc-=3; |
---|
655 | if ((s[rc]=='\\')&&(currentVoice->sw!=BI_buffer)) |
---|
656 | { |
---|
657 | s[rc]='\0'; |
---|
658 | offset+=rc; |
---|
659 | if (offset<(int)omSizeOfAddr(currentVoice->buffer)) goto NewRead; |
---|
660 | } |
---|
661 | goto NewBuff; |
---|
662 | } |
---|
663 | /* else if (s==NULL) */ |
---|
664 | { |
---|
665 | char *err; |
---|
666 | switch(yy_noeof) |
---|
667 | { |
---|
668 | case noeof_brace: |
---|
669 | case noeof_block: |
---|
670 | err="{...}"; |
---|
671 | break; |
---|
672 | case noeof_asstring: |
---|
673 | err="till `.`"; |
---|
674 | break; |
---|
675 | case noeof_string: |
---|
676 | err="string"; |
---|
677 | break; |
---|
678 | case noeof_bracket: |
---|
679 | err="(...)"; |
---|
680 | break; |
---|
681 | case noeof_procname: |
---|
682 | err="proc"; |
---|
683 | break; |
---|
684 | case noeof_comment: |
---|
685 | err="/*...*/"; |
---|
686 | break; |
---|
687 | default: |
---|
688 | return 0; |
---|
689 | } |
---|
690 | Werror("premature end of file while reading %s",err); |
---|
691 | return 0; |
---|
692 | } |
---|
693 | } |
---|
694 | |
---|
695 | /*2 |
---|
696 | * init all data structures |
---|
697 | */ |
---|
698 | #ifndef STDIN_FILENO |
---|
699 | #define STDIN_FILENO 0 |
---|
700 | #endif |
---|
701 | Voice * feInitStdin(Voice *pp) |
---|
702 | { |
---|
703 | Voice *p = new Voice; |
---|
704 | p->files = stdin; |
---|
705 | #ifdef HAVE_TCL |
---|
706 | p->sw = (tclmode || isatty(STDIN_FILENO)) ? BI_stdin : BI_file; |
---|
707 | #else |
---|
708 | p->sw = (isatty(STDIN_FILENO)) ? BI_stdin : BI_file; |
---|
709 | #endif |
---|
710 | if ((pp!=NULL) && (pp->files==stdin)) |
---|
711 | { |
---|
712 | p->files=freopen("/dev/tty","r",stdin); |
---|
713 | //stdin=p->files; |
---|
714 | p->sw = BI_stdin; |
---|
715 | } |
---|
716 | p->filename = omStrDup("STDIN"); |
---|
717 | p->start_lineno = 1; |
---|
718 | omMarkAsStaticAddr(p); |
---|
719 | omMarkAsStaticAddr(p->filename); |
---|
720 | return p; |
---|
721 | } |
---|
722 | /***************************************************************** |
---|
723 | * |
---|
724 | * File handling |
---|
725 | * |
---|
726 | *****************************************************************/ |
---|
727 | |
---|
728 | FILE * feFopen(char *path, char *mode, char *where,int useWerror, |
---|
729 | int path_only) |
---|
730 | { |
---|
731 | char longpath[MAXPATHLEN]; |
---|
732 | if (path[0]=='~') |
---|
733 | { |
---|
734 | if (path[1] == DIR_SEP) |
---|
735 | { |
---|
736 | char* home = getenv("HOME"); |
---|
737 | #ifdef ix86_Win |
---|
738 | if ((home==NULL)||(!access(home,X_OK))) |
---|
739 | home = getenv("SINGHOME"); |
---|
740 | #endif |
---|
741 | if (home != NULL) |
---|
742 | { |
---|
743 | strcpy(longpath, home); |
---|
744 | strcat(longpath, &(path[1])); |
---|
745 | path = longpath; |
---|
746 | } |
---|
747 | } |
---|
748 | #if defined(HAVE_PWD_H) && defined(HAVE_GETPWNAM) |
---|
749 | else |
---|
750 | { |
---|
751 | char* dir_sep; |
---|
752 | struct passwd *pw_entry; |
---|
753 | strcpy (longpath, path); |
---|
754 | dir_sep = strchr(longpath, DIR_SEP); |
---|
755 | *dir_sep = '\0'; |
---|
756 | pw_entry = getpwnam(&longpath[1]); |
---|
757 | if (pw_entry != NULL) |
---|
758 | { |
---|
759 | strcpy(longpath, pw_entry->pw_dir); |
---|
760 | dir_sep = strchr(path, DIR_SEP); |
---|
761 | strcat(longpath, dir_sep); |
---|
762 | path = longpath; |
---|
763 | } |
---|
764 | } |
---|
765 | #endif |
---|
766 | } |
---|
767 | FILE * f=NULL; |
---|
768 | if (! path_only) |
---|
769 | { |
---|
770 | struct stat statbuf; |
---|
771 | if ((stat(path,&statbuf)==0) |
---|
772 | && (S_ISREG(statbuf.st_mode))) |
---|
773 | f = myfopen(path,mode); |
---|
774 | } |
---|
775 | if (where!=NULL) strcpy(where,path); |
---|
776 | if ((*mode=='r') && |
---|
777 | (path[0]!=DIR_SEP) && |
---|
778 | ! (path[0] == '.' && path[1] == DIR_SEP) && |
---|
779 | (f==NULL)) |
---|
780 | { |
---|
781 | char found = 0; |
---|
782 | char* spath = feResource('s'); |
---|
783 | char *s; |
---|
784 | |
---|
785 | if (where==NULL) s=(char *)omAlloc(250); |
---|
786 | else s=where; |
---|
787 | |
---|
788 | if (spath!=NULL) |
---|
789 | { |
---|
790 | char *p,*q; |
---|
791 | p = spath; |
---|
792 | while( (q=strchr(p, fePathSep)) != NULL) |
---|
793 | { |
---|
794 | *q = '\0'; |
---|
795 | strcpy(s,p); |
---|
796 | *q = fePathSep; |
---|
797 | strcat(s, DIR_SEPP); |
---|
798 | strcat(s, path); |
---|
799 | #ifndef macintosh |
---|
800 | if(!access(s, R_OK)) { found++; break; } |
---|
801 | #else |
---|
802 | f=fopen(s,mode); /* do not need myfopen: we test only the access */ |
---|
803 | if (f!=NULL) { found++; fclose(f); break; } |
---|
804 | #endif |
---|
805 | p = q+1; |
---|
806 | } |
---|
807 | if(!found) |
---|
808 | { |
---|
809 | strcpy(s,p); |
---|
810 | strcat(s, DIR_SEPP); |
---|
811 | strcat(s, path); |
---|
812 | } |
---|
813 | f=myfopen(s,mode); |
---|
814 | if (f!=NULL) |
---|
815 | { |
---|
816 | if (where==NULL) omFree((ADDRESS)s); |
---|
817 | return f; |
---|
818 | } |
---|
819 | } |
---|
820 | else |
---|
821 | { |
---|
822 | if (where!=NULL) strcpy(s/*where*/,path); |
---|
823 | f=myfopen(path,mode); |
---|
824 | } |
---|
825 | if (where==NULL) omFree((ADDRESS)s); |
---|
826 | } |
---|
827 | if ((f==NULL)&&(useWerror)) |
---|
828 | Werror("cannot open `%s`",path); |
---|
829 | return f; |
---|
830 | } |
---|
831 | |
---|
832 | static char * feBufferStart; |
---|
833 | /* only used in StringSet(S)/StringAppend(S)*/ |
---|
834 | char * StringAppend(char *fmt, ...) |
---|
835 | { |
---|
836 | va_list ap; |
---|
837 | char *s = feBufferStart; /*feBuffer + strlen(feBuffer);*/ |
---|
838 | int more, vs; |
---|
839 | va_start(ap, fmt); |
---|
840 | if ((more=feBufferStart-feBuffer+strlen(fmt)+100)>feBufferLength) |
---|
841 | { |
---|
842 | more = ((more + (4*1024-1))/(4*1024))*(4*1024); |
---|
843 | int l=s-feBuffer; |
---|
844 | feBuffer=(char *)omReallocSize((ADDRESS)feBuffer,feBufferLength, |
---|
845 | more); |
---|
846 | omMarkAsStaticAddr(feBuffer); |
---|
847 | feBufferLength=more; |
---|
848 | s=feBuffer+l; |
---|
849 | #ifndef BSD_SPRINTF |
---|
850 | feBufferStart=s; |
---|
851 | #endif |
---|
852 | } |
---|
853 | #ifdef BSD_SPRINTF |
---|
854 | vsprintf(s, fmt, ap); |
---|
855 | while (*s!='\0') s++; |
---|
856 | feBufferStart =s; |
---|
857 | #else |
---|
858 | #ifdef HAVE_VSNPRINTF |
---|
859 | vs = vsnprintf(s, feBufferLength - (feBufferStart - feBuffer), fmt, ap); |
---|
860 | if (vs == -1) |
---|
861 | { |
---|
862 | assume(0); |
---|
863 | feBufferStart = feBuffer + feBufferLength -1; |
---|
864 | } |
---|
865 | else |
---|
866 | { |
---|
867 | feBufferStart += vs; |
---|
868 | } |
---|
869 | #else |
---|
870 | feBufferStart += vsprintf(s, fmt, ap); |
---|
871 | #endif |
---|
872 | #endif |
---|
873 | omCheckAddrSize(feBuffer, feBufferLength); |
---|
874 | va_end(ap); |
---|
875 | return feBuffer; |
---|
876 | } |
---|
877 | |
---|
878 | char * StringAppendS(char *st) |
---|
879 | { |
---|
880 | /* feBufferStart is feBuffer + strlen(feBuffer);*/ |
---|
881 | int more,l; |
---|
882 | int ll=feBufferStart-feBuffer; |
---|
883 | if ((more=ll+2+(l=strlen(st)))>feBufferLength) |
---|
884 | { |
---|
885 | more = ((more + (4*1024-1))/(4*1024))*(4*1024); |
---|
886 | feBuffer=(char *)omReallocSize((ADDRESS)feBuffer,feBufferLength, |
---|
887 | more); |
---|
888 | feBufferLength=more; |
---|
889 | feBufferStart=feBuffer+ll; |
---|
890 | } |
---|
891 | strcat(feBufferStart, st); |
---|
892 | feBufferStart +=l; |
---|
893 | return feBuffer; |
---|
894 | } |
---|
895 | |
---|
896 | char * StringSetS(char *st) |
---|
897 | { |
---|
898 | int more,l; |
---|
899 | if ((l=strlen(st))>feBufferLength) |
---|
900 | { |
---|
901 | more = ((l + (4*1024-1))/(4*1024))*(4*1024); |
---|
902 | feBuffer=(char *)omReallocSize((ADDRESS)feBuffer,feBufferLength, |
---|
903 | more); |
---|
904 | feBufferLength=more; |
---|
905 | } |
---|
906 | strcpy(feBuffer,st); |
---|
907 | feBufferStart=feBuffer+l; |
---|
908 | return feBuffer; |
---|
909 | } |
---|
910 | |
---|
911 | #ifdef HAVE_TCL |
---|
912 | extern "C" { |
---|
913 | void PrintTCLS(const char c, const char *s) |
---|
914 | { |
---|
915 | int l=strlen(s); |
---|
916 | if (l>0) PrintTCL(c,l,s); |
---|
917 | } |
---|
918 | } |
---|
919 | #endif |
---|
920 | |
---|
921 | extern "C" { |
---|
922 | void WerrorS(const char *s) |
---|
923 | { |
---|
924 | #ifdef HAVE_MPSR |
---|
925 | if (fe_fgets_stdin==fe_fgets_dummy) |
---|
926 | { |
---|
927 | if (feErrors==NULL) |
---|
928 | { |
---|
929 | feErrors=(char *)omAlloc(256); |
---|
930 | feErrorsLen=256; |
---|
931 | *feErrors = '\0'; |
---|
932 | } |
---|
933 | else |
---|
934 | { |
---|
935 | if (((int)(strlen((char *)s)+ 20 +strlen(feErrors)))>=feErrorsLen) |
---|
936 | { |
---|
937 | feErrors=(char *)omReallocSize(feErrors,feErrorsLen,feErrorsLen+256); |
---|
938 | feErrorsLen+=256; |
---|
939 | } |
---|
940 | } |
---|
941 | strcat(feErrors, "Singular error: "); |
---|
942 | strcat(feErrors, (char *)s); |
---|
943 | } |
---|
944 | else |
---|
945 | #endif |
---|
946 | { |
---|
947 | #ifdef HAVE_TCL |
---|
948 | if (tclmode) |
---|
949 | { |
---|
950 | PrintTCLS('E',(char *)s); |
---|
951 | PrintTCLS('E',"\n"); |
---|
952 | } |
---|
953 | else |
---|
954 | #endif |
---|
955 | { |
---|
956 | fwrite(" ? ",1,5,stderr); |
---|
957 | fwrite((char *)s,1,strlen((char *)s),stderr); |
---|
958 | fwrite("\n",1,1,stderr); |
---|
959 | fflush(stderr); |
---|
960 | if (feProt&PROT_O) |
---|
961 | { |
---|
962 | fwrite(" ? ",1,5,feProtFile); |
---|
963 | fwrite((char *)s,1,strlen((char *)s),feProtFile); |
---|
964 | fwrite("\n",1,1,feProtFile); |
---|
965 | } |
---|
966 | } |
---|
967 | } |
---|
968 | errorreported = TRUE; |
---|
969 | } |
---|
970 | |
---|
971 | void Werror(char *fmt, ...) |
---|
972 | { |
---|
973 | va_list ap; |
---|
974 | va_start(ap, fmt); |
---|
975 | char *s=(char *)omAlloc(256); |
---|
976 | vsprintf(s, fmt, ap); |
---|
977 | WerrorS(s); |
---|
978 | omFreeSize(s,256); |
---|
979 | va_end(ap); |
---|
980 | } |
---|
981 | |
---|
982 | void WarnS(const char *s) |
---|
983 | { |
---|
984 | #define warn_str "// ** " |
---|
985 | #ifdef HAVE_TCL |
---|
986 | if (tclmode) |
---|
987 | { |
---|
988 | PrintTCLS('W',warn_str); |
---|
989 | PrintTCLS('W',s); |
---|
990 | PrintTCLS('W',"\n"); |
---|
991 | } |
---|
992 | else |
---|
993 | #endif |
---|
994 | if (feWarn) /* ignore warnings if option --no-warn was given */ |
---|
995 | { |
---|
996 | fwrite(warn_str,1,6,stdout); |
---|
997 | fwrite(s,1,strlen(s),stdout); |
---|
998 | fwrite("\n",1,1,stdout); |
---|
999 | fflush(stdout); |
---|
1000 | if (feProt&PROT_O) |
---|
1001 | { |
---|
1002 | fwrite(warn_str,1,6,feProtFile); |
---|
1003 | fwrite(s,1,strlen(s),feProtFile); |
---|
1004 | fwrite("\n",1,1,feProtFile); |
---|
1005 | } |
---|
1006 | } |
---|
1007 | } |
---|
1008 | } /* end extern "C" */ |
---|
1009 | |
---|
1010 | void Warn(const char *fmt, ...) |
---|
1011 | { |
---|
1012 | va_list ap; |
---|
1013 | va_start(ap, fmt); |
---|
1014 | char *s=(char *)omAlloc(256); |
---|
1015 | vsprintf(s, fmt, ap); |
---|
1016 | WarnS(s); |
---|
1017 | omFreeSize(s,256); |
---|
1018 | va_end(ap); |
---|
1019 | } |
---|
1020 | |
---|
1021 | |
---|
1022 | #ifdef macintosh |
---|
1023 | static int lines = 0; |
---|
1024 | static int cols = 0; |
---|
1025 | |
---|
1026 | void mwrite(uchar c) |
---|
1027 | { |
---|
1028 | if (c == '\n') |
---|
1029 | { |
---|
1030 | cols = 0; |
---|
1031 | if (lines == pagelength) |
---|
1032 | { |
---|
1033 | lines = 0; |
---|
1034 | fputs("pause>\n",stderr); |
---|
1035 | uchar c = fgetc(stdin); |
---|
1036 | } |
---|
1037 | else |
---|
1038 | { |
---|
1039 | lines++; |
---|
1040 | fePutChar(c); |
---|
1041 | } |
---|
1042 | } |
---|
1043 | else |
---|
1044 | { |
---|
1045 | fePutChar(c); |
---|
1046 | cols++; |
---|
1047 | if (cols == colmax) |
---|
1048 | { |
---|
1049 | // cols = 0; //will be done by mwrite('\n'); |
---|
1050 | mwrite('\n'); |
---|
1051 | } |
---|
1052 | } |
---|
1053 | } |
---|
1054 | #endif |
---|
1055 | |
---|
1056 | // some routines which redirect the output of print to a string |
---|
1057 | static char* sprint = NULL; |
---|
1058 | void SPrintStart() |
---|
1059 | { |
---|
1060 | sprint = omStrDup(""); |
---|
1061 | } |
---|
1062 | |
---|
1063 | static void SPrintS(char* s) |
---|
1064 | { |
---|
1065 | omCheckAddr(sprint); |
---|
1066 | if (s == NULL) return; |
---|
1067 | int ls = strlen(s); |
---|
1068 | if (ls == 0) return; |
---|
1069 | |
---|
1070 | char* ns; |
---|
1071 | int l = strlen(sprint); |
---|
1072 | ns = (char*) omAlloc((l + ls + 1)*sizeof(char)); |
---|
1073 | if (l > 0) strcpy(ns, sprint); |
---|
1074 | |
---|
1075 | strcpy(&(ns[l]), s); |
---|
1076 | omFree(sprint); |
---|
1077 | sprint = ns; |
---|
1078 | omCheckAddr(sprint); |
---|
1079 | } |
---|
1080 | |
---|
1081 | char* SPrintEnd() |
---|
1082 | { |
---|
1083 | char* ns = sprint; |
---|
1084 | sprint = NULL; |
---|
1085 | omCheckAddr(ns); |
---|
1086 | return ns; |
---|
1087 | } |
---|
1088 | |
---|
1089 | // Print routines |
---|
1090 | extern "C" { |
---|
1091 | void PrintS(char *s) |
---|
1092 | { |
---|
1093 | if (sprint != NULL) |
---|
1094 | { |
---|
1095 | SPrintS(s); |
---|
1096 | return; |
---|
1097 | } |
---|
1098 | |
---|
1099 | if (feOut) /* do not print when option --no-out was given */ |
---|
1100 | { |
---|
1101 | |
---|
1102 | #ifdef macintosh |
---|
1103 | char c; |
---|
1104 | while ('\0' != (c = *s++)) |
---|
1105 | { |
---|
1106 | mwrite(c); |
---|
1107 | } |
---|
1108 | #else |
---|
1109 | #ifdef HAVE_TCL |
---|
1110 | if (tclmode) |
---|
1111 | { |
---|
1112 | PrintTCLS('N',s); |
---|
1113 | } |
---|
1114 | else |
---|
1115 | #endif |
---|
1116 | { |
---|
1117 | fwrite(s,1,strlen(s),stdout); |
---|
1118 | fflush(stdout); |
---|
1119 | if (feProt&PROT_O) |
---|
1120 | { |
---|
1121 | fwrite(s,1,strlen(s),feProtFile); |
---|
1122 | } |
---|
1123 | } |
---|
1124 | #endif |
---|
1125 | } |
---|
1126 | } |
---|
1127 | |
---|
1128 | void PrintLn() |
---|
1129 | { |
---|
1130 | PrintS("\n"); |
---|
1131 | } |
---|
1132 | |
---|
1133 | void Print(char *fmt, ...) |
---|
1134 | { |
---|
1135 | if (sprint != NULL) |
---|
1136 | { |
---|
1137 | int ls = strlen(fmt); |
---|
1138 | va_list ap; |
---|
1139 | va_start(ap, fmt); |
---|
1140 | omCheckAddr(sprint); |
---|
1141 | if (fmt != NULL && ls > 0) |
---|
1142 | { |
---|
1143 | char* ns; |
---|
1144 | int l = strlen(sprint); |
---|
1145 | ns = (char*) omAlloc(sizeof(char)*(ls + l + 256)); |
---|
1146 | if (l > 0) strcpy(ns, sprint); |
---|
1147 | |
---|
1148 | #ifdef HAVE_VSNPRINTF |
---|
1149 | l = vsnprintf(&(ns[l]), ls+255, fmt, ap); |
---|
1150 | assume(l != -1); |
---|
1151 | #else |
---|
1152 | vsprintf(&(ns[l]), fmt, ap); |
---|
1153 | #endif |
---|
1154 | omCheckAddr(ns); |
---|
1155 | omFree(sprint); |
---|
1156 | sprint = ns; |
---|
1157 | } |
---|
1158 | va_end(ap); |
---|
1159 | return; |
---|
1160 | } |
---|
1161 | if (feOut) |
---|
1162 | { |
---|
1163 | va_list ap; |
---|
1164 | va_start(ap, fmt); |
---|
1165 | #ifdef HAVE_TCL |
---|
1166 | if(tclmode) |
---|
1167 | #endif |
---|
1168 | #if (defined(HAVE_TCL) || defined(macintosh)) |
---|
1169 | { |
---|
1170 | char *s=(char *)omAlloc(strlen(fmt)+256); |
---|
1171 | vsprintf(s,fmt, ap); |
---|
1172 | #ifdef HAVE_TCL |
---|
1173 | PrintTCLS('N',s); |
---|
1174 | #endif |
---|
1175 | #ifdef macintosh |
---|
1176 | char c; |
---|
1177 | while ('\0' != (c = *s++)) |
---|
1178 | { |
---|
1179 | mwrite(c); |
---|
1180 | } |
---|
1181 | if (feProt&PROT_O) |
---|
1182 | { |
---|
1183 | vfprintf(feProtFile,fmt,ap); |
---|
1184 | } |
---|
1185 | #endif |
---|
1186 | } |
---|
1187 | #endif |
---|
1188 | #if !defined(macintosh) || defined(HAVE_TCL) |
---|
1189 | #ifdef HAVE_TCL |
---|
1190 | else |
---|
1191 | #endif |
---|
1192 | { |
---|
1193 | vfprintf(stdout, fmt, ap); |
---|
1194 | fflush(stdout); |
---|
1195 | if (feProt&PROT_O) |
---|
1196 | { |
---|
1197 | vfprintf(feProtFile,fmt,ap); |
---|
1198 | } |
---|
1199 | } |
---|
1200 | #endif |
---|
1201 | va_end(ap); |
---|
1202 | } |
---|
1203 | } |
---|
1204 | |
---|
1205 | /* end extern "C" */ |
---|
1206 | } |
---|
1207 | |
---|
1208 | void monitor(char* s, int mode) |
---|
1209 | { |
---|
1210 | if (feProt) |
---|
1211 | { |
---|
1212 | fclose(feProtFile); |
---|
1213 | feProt = 0; |
---|
1214 | } |
---|
1215 | if ((s!=NULL) && (*s!='\0')) |
---|
1216 | { |
---|
1217 | feProtFile = myfopen(s,"w"); |
---|
1218 | if (feProtFile==NULL) |
---|
1219 | { |
---|
1220 | Werror("cannot open %s",s); |
---|
1221 | feProt=0; |
---|
1222 | } |
---|
1223 | else |
---|
1224 | feProt = (BOOLEAN)mode; |
---|
1225 | } |
---|
1226 | } |
---|
1227 | |
---|
1228 | |
---|
1229 | char* eati(char *s, int *i) |
---|
1230 | { |
---|
1231 | int l=0; |
---|
1232 | |
---|
1233 | if (*s >= '0' && *s <= '9') |
---|
1234 | { |
---|
1235 | *i = 0; |
---|
1236 | while (*s >= '0' && *s <= '9') |
---|
1237 | { |
---|
1238 | *i *= 10; |
---|
1239 | *i += *s++ - '0'; |
---|
1240 | l++; |
---|
1241 | if ((l>=MAX_INT_LEN)||((*i) <0)) |
---|
1242 | { |
---|
1243 | s-=l; |
---|
1244 | Werror("`%s` greater than %d(max. integer representation)", |
---|
1245 | s,MAX_INT_VAL); |
---|
1246 | return s; |
---|
1247 | } |
---|
1248 | } |
---|
1249 | } |
---|
1250 | else *i = 1; |
---|
1251 | return s; |
---|
1252 | } |
---|
1253 | #else /* ! STANDALONE_PARSER */ |
---|
1254 | #include <stdio.h> |
---|
1255 | |
---|
1256 | #endif |
---|
1257 | |
---|
1258 | #ifdef ix86_Win |
---|
1259 | // Make sure that mode contains binary option |
---|
1260 | FILE* myfopen(char *path, char *mode) |
---|
1261 | { |
---|
1262 | char mmode[4]; |
---|
1263 | int i; |
---|
1264 | int done = 0; |
---|
1265 | |
---|
1266 | for (i=0;;i++) |
---|
1267 | { |
---|
1268 | mmode[i] = mode[i]; |
---|
1269 | if (mode[i] == '\0') break; |
---|
1270 | if (mode[i] == 'b') done = 1; |
---|
1271 | } |
---|
1272 | |
---|
1273 | if (! done) |
---|
1274 | { |
---|
1275 | mmode[i] = 'b'; |
---|
1276 | mmode[i+1] = '\0'; |
---|
1277 | } |
---|
1278 | return fopen(path, mmode); |
---|
1279 | } |
---|
1280 | #endif |
---|
1281 | // replace "\r\n" by " \n" and "\r" by "\n" |
---|
1282 | |
---|
1283 | size_t myfread(void *ptr, size_t size, size_t nmemb, FILE *stream) |
---|
1284 | { |
---|
1285 | size_t got = fread(ptr, size, nmemb, stream) * size; |
---|
1286 | size_t i; |
---|
1287 | |
---|
1288 | for (i=0; i<got; i++) |
---|
1289 | { |
---|
1290 | if ( ((char*) ptr)[i] == '\r') |
---|
1291 | { |
---|
1292 | if (i+1 < got && ((char*) ptr)[i+1] == '\n') |
---|
1293 | ((char*) ptr)[i] = ' '; |
---|
1294 | else |
---|
1295 | ((char*) ptr)[i] = '\n'; |
---|
1296 | } |
---|
1297 | } |
---|
1298 | return got; |
---|
1299 | } |
---|