1 | /**************************************** |
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2 | * Computer Algebra System SINGULAR * |
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3 | ****************************************/ |
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4 | /* $Id: febase.cc,v 1.64 1998-08-04 16:54:07 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 | #include "mod2.h" |
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10 | |
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11 | #include <stdlib.h> |
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12 | #include <stdio.h> |
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13 | #include <limits.h> |
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14 | #include <stdarg.h> |
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15 | #ifndef __MWERKS__ |
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16 | #include <unistd.h> |
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17 | #endif |
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18 | #ifdef NeXT |
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19 | #include <sys/file.h> |
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20 | #endif |
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21 | |
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22 | #include "tok.h" |
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23 | #include "febase.h" |
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24 | #include "mmemory.h" |
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25 | #include "subexpr.h" |
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26 | #include "ipshell.h" |
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27 | |
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28 | #include "si_paths.h" |
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29 | |
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30 | #ifndef MAXPATHLEN |
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31 | #define MAXPATHLEN 1024 |
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32 | #endif |
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33 | |
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34 | #ifndef MAXNAMLEN |
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35 | #define MAXNAMLEN MAXPATHLEN |
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36 | #endif |
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37 | |
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38 | #define fePutChar(c) fputc((uchar)(c),stdout) |
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39 | /*0 implementation */ |
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40 | |
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41 | char fe_promptstr[] |
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42 | #ifdef macintosh |
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43 | =" \n"; |
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44 | #else |
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45 | =" "; |
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46 | #endif |
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47 | |
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48 | #define INITIAL_PRINT_BUFFER 24*1024 |
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49 | static int feBufferLength=INITIAL_PRINT_BUFFER; |
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50 | static char * feBuffer=(char *)Alloc(INITIAL_PRINT_BUFFER); |
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51 | |
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52 | int si_echo = 0; |
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53 | int printlevel = 0; |
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54 | #ifndef macintosh |
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55 | int pagelength = 24; |
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56 | #else |
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57 | int pagelength = -1; |
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58 | #endif |
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59 | int colmax = 80; |
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60 | char prompt_char = '>'; /*1 either '>' or '.'*/ |
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61 | extern "C" { |
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62 | BITSET verbose = 1 |
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63 | | Sy_bit(V_REDEFINE) |
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64 | | Sy_bit(V_LOAD_LIB) |
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65 | | Sy_bit(V_SHOW_USE) |
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66 | | Sy_bit(V_PROMPT) |
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67 | /* | Sy_bit(V_DEBUG_MEM) */ |
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68 | ;} |
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69 | BOOLEAN errorreported = FALSE; |
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70 | BOOLEAN feBatch; |
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71 | char * feErrors=NULL; |
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72 | int feErrorsLen=0; |
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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 | #include "febase.inc" |
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99 | |
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100 | #ifdef macintosh |
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101 | # define DIR_SEP ':' |
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102 | # define DIR_SEPP ":" |
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103 | #else |
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104 | #ifdef MSDOS |
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105 | # define DIR_SEP '\\' |
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106 | # define DIR_SEPP "\\" |
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107 | #else |
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108 | #ifdef atarist |
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109 | # define DIR_SEP '\\' |
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110 | # define DIR_SEPP "\\" |
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111 | #else /* unix */ |
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112 | # define DIR_SEP '/' |
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113 | # define DIR_SEPP "/" |
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114 | #endif /* atarist */ |
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115 | #endif /* MSDOS */ |
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116 | #endif /* macintosh */ |
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117 | |
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118 | #if defined(WINNT) |
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119 | # define FS_SEP ';' |
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120 | #elif defined(macintosh) |
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121 | #define FS_SEP ',' |
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122 | #else |
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123 | #define FS_SEP ':' |
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124 | #endif |
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125 | |
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126 | #ifndef __MWERKS__ |
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127 | /***************************************************************** |
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128 | * |
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129 | * PATH STUFF |
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130 | * |
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131 | *****************************************************************/ |
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132 | |
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133 | // Define to chatter about path stuff |
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134 | // #define PATH_DEBUG |
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135 | static char* feArgv0 = NULL; |
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136 | static char* feExpandedExecutable = NULL; |
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137 | static char* feBinDir = NULL; |
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138 | static char* feSearchPath = NULL; |
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139 | static char* feInfoProgram = NULL; |
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140 | static char* feInfoFile = NULL; |
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141 | static char* feInfoCall = NULL; |
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142 | |
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143 | extern "C" char* find_executable(const char* argv0); |
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144 | static char* feRemovePathnameHead(const char* expanded_executable); |
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145 | static char* CleanUpPath(char* path); |
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146 | static char* CleanUpName(char* filename); |
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147 | |
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148 | inline char* feGetExpandedExecutable(const char* argv0) |
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149 | { |
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150 | return (argv0 != NULL ? find_executable(argv0) : (char* ) NULL); |
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151 | } |
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152 | |
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153 | inline char* feGetBinDir(const char* expanded_executable) |
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154 | { |
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155 | return feRemovePathnameHead(expanded_executable); |
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156 | } |
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157 | |
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158 | // Return the file search path for singular w.r.t. the following steps: |
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159 | // 1.) SINGULARPATH Env Variable |
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160 | // 2.) bindir/LIB |
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161 | // 3.) bindir/LIB/VERSION |
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162 | // 4.) bindir/../../Singular/LIB |
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163 | // 5.) bindir/../../Singular/LIB/VERSION |
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164 | // 6.) ROOT_DIR/Singular/LIB/ |
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165 | // 7.) ROOT_DIR/Singular/LIB/VERSION |
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166 | // 8.) Go through all dirs and remove duplicates dirs resp. |
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167 | // those which do not exist |
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168 | static char* feGetSearchPath(const char* bindir) |
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169 | { |
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170 | char *env = NULL, *path, *opath; |
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171 | int plength = 0, tmp; |
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172 | |
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173 | #ifdef MSDOS |
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174 | env=getenv("SPATH"); |
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175 | #else |
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176 | env=getenv("SINGULARPATH"); |
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177 | #endif |
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178 | #ifdef PATH_DEBUG |
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179 | Print("I'm going to chatter about the Search path:\n"); |
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180 | #endif |
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181 | if (env != NULL) |
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182 | plength = strlen(env); |
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183 | |
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184 | if (bindir != NULL) |
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185 | plength += 4*strlen(bindir); |
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186 | |
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187 | plength += 2*strlen(SINGULAR_ROOT_DIR) |
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188 | + 3*(strlen(S_VERSION1) + 1) |
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189 | + 24 + 36 + 12 + 6 + 7; |
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190 | // == 6*/LIB + 4*/Singular + 2*/../.. + for colons + some room to breath |
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191 | |
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192 | opath = (char*) AllocL(plength*sizeof(char)); |
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193 | path = opath; |
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194 | |
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195 | if (env != NULL) |
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196 | { |
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197 | strcpy(path, env); |
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198 | path += strlen(path); |
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199 | *path=FS_SEP; |
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200 | path++; |
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201 | #ifdef PATH_DEBUG |
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202 | *(path +1) = '\0'; |
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203 | Print("Got from env var: %s\n", opath); |
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204 | #endif |
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205 | } |
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206 | |
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207 | if (bindir != NULL) |
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208 | { |
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209 | sprintf( |
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210 | path, |
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211 | "%s/LIB%c%s/LIB/%s%c%s/../../Singular/LIB%c%s/../../Singular/LIB/%s%c", |
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212 | bindir, FS_SEP, |
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213 | bindir, S_VERSION1, FS_SEP, |
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214 | bindir, FS_SEP, |
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215 | bindir, S_VERSION1, FS_SEP); |
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216 | #ifdef PATH_DEBUG |
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217 | Print("From bindir: %s\n", path); |
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218 | #endif |
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219 | path += strlen(path); |
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220 | } |
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221 | |
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222 | sprintf(path, "%s/Singular/LIB%c%s/Singular/LIB/%s", |
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223 | SINGULAR_ROOT_DIR, FS_SEP, |
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224 | SINGULAR_ROOT_DIR, S_VERSION1); |
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225 | #ifdef PATH_DEBUG |
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226 | Print("From rootdir: %s\n", path); |
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227 | #endif |
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228 | return CleanUpPath(opath); |
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229 | } |
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230 | |
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231 | static void mystrcpy(char* d, char* s) |
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232 | { |
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233 | assume(d != NULL && s != NULL); |
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234 | while (*s != '\0') |
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235 | { |
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236 | *d = *s; |
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237 | d++; |
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238 | s++; |
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239 | } |
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240 | *d = '\0'; |
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241 | } |
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242 | |
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243 | // Return location of file singular.hlp. Search for it as follows: |
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244 | // bindir/../doc/singular.hlp |
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245 | // bindir/../info/singular.hlp |
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246 | // bindir/../../Singular/doc/$version/singular.hlp |
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247 | // bindir/../../Singular/doc/singular.hlp |
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248 | // bindir/../../info/singular.hlp |
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249 | // ROOTDIR/Singular/doc/$version/singular.hlp |
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250 | // ROOTDIR/Singular/doc/singular.hlp |
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251 | // ROOTDIR/info/singular.hlp |
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252 | // Singular search path |
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253 | #ifdef WINNT |
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254 | static char * feFixFileName(char *hlpdir) |
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255 | { |
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256 | if(strncmp(hlpdir,"//",2)==0) |
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257 | { |
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258 | hlpdir[0]=hlpdir[2]; |
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259 | hlpdir[1]=':'; |
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260 | mystrcpy(hlpdir+2,hlpdir+3); |
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261 | } |
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262 | return hlpdir; |
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263 | } |
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264 | #else |
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265 | #define feFixFileName(A) (A) |
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266 | #endif |
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267 | |
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268 | static char* feGetInfoFile(const char* bindir) |
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269 | { |
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270 | char* hlpfile = (char*) AllocL(max((bindir != NULL ? strlen(bindir) : 0), |
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271 | strlen(SINGULAR_ROOT_DIR)) |
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272 | + 50); |
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273 | |
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274 | #ifdef PATH_DEBUG |
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275 | Print("Search for singular.hlp\n"); |
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276 | #endif |
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277 | |
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278 | if (bindir != NULL) |
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279 | { |
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280 | // bindir/../doc/singular.hlp |
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281 | sprintf(hlpfile,"%s/../doc/singular.hlp", bindir); |
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282 | #ifdef PATH_DEBUG |
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283 | Print("trying %s -- %s\n", hlpfile, ( access(CleanUpName(hlpfile), R_OK) ? "no" : "yes")); |
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284 | #endif |
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285 | if (! access(CleanUpName(hlpfile), R_OK)) return feFixFileName(hlpfile); |
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286 | |
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287 | // bindir/../info/singular.hlp |
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288 | sprintf(hlpfile,"%s/../info/singular.hlp", bindir); |
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289 | #ifdef PATH_DEBUG |
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290 | Print("trying %s -- %s\n", hlpfile, ( access(CleanUpName(hlpfile), R_OK) ? "no" : "yes")); |
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291 | #endif |
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292 | if (! access(CleanUpName(hlpfile), R_OK)) return feFixFileName(hlpfile); |
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293 | |
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294 | // bindir/../../Singular/doc/$version/singular.hlp |
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295 | sprintf(hlpfile,"%s/../../Singular/doc/%s/singular.hlp",bindir,S_VERSION1); |
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296 | #ifdef PATH_DEBUG |
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297 | Print("trying %s -- %s\n", hlpfile, ( access(CleanUpName(hlpfile), R_OK) ? "no" : "yes")); |
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298 | #endif |
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299 | if (! access(CleanUpName(hlpfile), R_OK)) return feFixFileName(hlpfile); |
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300 | |
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301 | // bindir/../../Singular/doc/singular.hlp |
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302 | sprintf(hlpfile,"%s/../../Singular/doc/singular.hlp", bindir); |
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303 | #ifdef PATH_DEBUG |
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304 | Print("trying %s -- %s\n", hlpfile, ( access(CleanUpName(hlpfile), R_OK) ? "no" : "yes")); |
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305 | #endif |
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306 | if (! access(CleanUpName(hlpfile), R_OK)) return feFixFileName(hlpfile); |
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307 | |
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308 | // bindir/../../info/singular.hlp |
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309 | sprintf(hlpfile,"%s/../../info/singular.hlp", bindir); |
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310 | #ifdef PATH_DEBUG |
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311 | Print("trying %s -- %s\n", hlpfile, ( access(CleanUpName(hlpfile), R_OK) ? "no" : "yes")); |
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312 | #endif |
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313 | if (! access(CleanUpName(hlpfile), R_OK)) return feFixFileName(hlpfile); |
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314 | |
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315 | // ROOTDIR/Singular/doc/$version/singular.hlp |
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316 | sprintf(hlpfile,"%s/Singular/doc/%s/singular.hlp", SINGULAR_ROOT_DIR, S_VERSION1); |
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317 | #ifdef PATH_DEBUG |
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318 | Print("trying %s -- %s\n", hlpfile, ( access(CleanUpName(hlpfile), R_OK) ? "no" : "yes")); |
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319 | #endif |
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320 | if (! access(CleanUpName(hlpfile), R_OK)) return feFixFileName(hlpfile); |
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321 | |
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322 | // ROOTDIR/Singular/doc/singular.hlp |
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323 | sprintf(hlpfile,"%s/Singular/doc/singular.hlp", SINGULAR_ROOT_DIR); |
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324 | #ifdef PATH_DEBUG |
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325 | Print("trying %s -- %s\n", hlpfile, ( access(CleanUpName(hlpfile), R_OK) ? "no" : "yes")); |
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326 | #endif |
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327 | if (! access(CleanUpName(hlpfile), R_OK)) return feFixFileName(hlpfile); |
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328 | |
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329 | // ROOTDIR/info/singular.hlp |
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330 | sprintf(hlpfile,"%s/info/singular.hlp", SINGULAR_ROOT_DIR); |
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331 | #ifdef PATH_DEBUG |
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332 | Print("trying %s -- %s\n", hlpfile, ( access(CleanUpName(hlpfile), R_OK) ? "no" : "yes")); |
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333 | #endif |
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334 | if (! access(CleanUpName(hlpfile) , R_OK)) return feFixFileName(hlpfile); |
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335 | } |
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336 | |
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337 | // still here? Try all dirs in the search path |
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338 | FILE *file = feFopen("singular.hlp", "r", hlpfile, 0); |
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339 | if (file != NULL) |
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340 | { |
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341 | fclose(file); |
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342 | return feFixFileName(hlpfile); |
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343 | } |
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344 | *hlpfile = '\0'; |
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345 | return hlpfile; |
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346 | } |
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347 | |
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348 | #ifdef WINNT |
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349 | #define INFOPROG "info.exe" |
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350 | #else |
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351 | #define INFOPROG "info" |
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352 | #endif |
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353 | |
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354 | // we first look into bindir, if nothing found there, we use HAVE_INFO |
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355 | static char* feGetInfoProgram(const char* bindir) |
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356 | { |
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357 | char infoprog[MAXPATHLEN]; |
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358 | if (bindir != NULL) |
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359 | { |
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360 | sprintf(infoprog, "%s/%s", bindir, INFOPROG); |
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361 | if (! access(infoprog, X_OK)) return mstrdup(infoprog); |
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362 | } |
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363 | |
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364 | sprintf(infoprog, "%s/%s", SINGULAR_BIN_DIR, INFOPROG); |
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365 | if (! access(infoprog, X_OK)) return mstrdup(infoprog); |
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366 | |
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367 | #ifdef HAVE_INFO |
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368 | sprintf(infoprog, "%s", HAVE_INFO); |
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369 | if (! access(infoprog, X_OK)) return mstrdup(infoprog); |
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370 | #endif |
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371 | // nothing found, let's try "info" |
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372 | sprintf(infoprog, "info"); |
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373 | return mstrdup(infoprog); |
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374 | } |
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375 | |
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376 | #if defined(WINNT) && defined(__GNUC__) |
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377 | // add utility function of Cygwin32: |
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378 | extern "C" int cygwin32_posix_path_list_p (const char *path); |
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379 | #endif |
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380 | |
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381 | #ifdef WINNT |
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382 | static void feExpandPath(char *dir) |
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383 | { |
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384 | char *path=getenv("PATH"); |
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385 | char buf[MAXNAMLEN]; |
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386 | if (path==NULL) |
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387 | { |
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388 | strcpy(buf,dir); |
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389 | } |
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390 | else |
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391 | { |
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392 | #if defined(WINNT) && defined(__GNUC__) |
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393 | char path_delim = cygwin32_posix_path_list_p (path) ? ':' : ';'; |
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394 | #else |
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395 | char path_delim=FS_SEP; |
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396 | #endif |
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397 | sprintf(buf,"%s%c%s",path,path_delim,dir); |
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398 | } |
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399 | setenv("PATH",buf,1); |
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400 | } |
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401 | #endif |
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402 | |
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403 | // |
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404 | // public routines |
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405 | // |
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406 | void feInitPaths(const char* argv0) |
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407 | { |
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408 | feArgv0 = mstrdup(argv0); |
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409 | #ifdef WINNT |
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410 | // add the bindir and the BIN_DIR to the current PATH: |
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411 | feExpandPath(feGetBinDir()); // can only be called after setting feArgv0 |
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412 | feExpandPath(SINGULAR_BIN_DIR); |
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413 | #endif |
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414 | } |
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415 | |
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416 | char* feGetExpandedExecutable() |
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417 | { |
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418 | if (feExpandedExecutable == NULL) |
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419 | feExpandedExecutable = feGetExpandedExecutable(feArgv0); |
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420 | return feExpandedExecutable; |
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421 | } |
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422 | |
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423 | char* feGetBinDir() |
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424 | { |
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425 | if (feBinDir == NULL) |
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426 | feBinDir = feGetBinDir(feGetExpandedExecutable()); |
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427 | return feBinDir; |
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428 | } |
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429 | |
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430 | char* feGetSearchPath() |
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431 | { |
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432 | if (feSearchPath == NULL) |
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433 | feSearchPath = feGetSearchPath(feGetBinDir()); |
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434 | return feSearchPath; |
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435 | } |
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436 | |
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437 | char* feGetInfoProgram() |
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438 | { |
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439 | if (feInfoProgram == NULL) |
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440 | feInfoProgram = feGetInfoProgram(feGetBinDir()); |
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441 | return feInfoProgram; |
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442 | } |
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443 | |
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444 | char* feGetInfoFile() |
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445 | { |
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446 | if (feInfoFile == NULL) |
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447 | feInfoFile = feGetInfoFile(feGetBinDir()); |
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448 | return feInfoFile; |
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449 | } |
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450 | |
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451 | char* feGetInfoCall(const char* what) |
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452 | { |
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453 | if (feInfoCall == NULL) |
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454 | feInfoCall = (char*) AllocL(strlen(feGetInfoProgram()) |
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455 | + strlen(feGetInfoFile()) |
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456 | + 100); |
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457 | char *infofile = feGetInfoFile(); |
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458 | |
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459 | if (what != NULL && strcmp(what, "index") != 0) |
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460 | sprintf(feInfoCall, |
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461 | "%s %s %s Index %s", |
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462 | feGetInfoProgram(), |
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463 | (*infofile != '\0' ? "-f" : ""), |
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464 | (*infofile != '\0' ? infofile : "Singular"), |
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465 | what); |
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466 | else |
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467 | sprintf(feInfoCall, |
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468 | "%s %s %s", |
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469 | feGetInfoProgram(), |
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470 | (*infofile != '\0' ? "-f" : ""), |
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471 | (*infofile != '\0' ? infofile : "Singular")); |
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472 | |
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473 | #ifdef PATH_DEBUG |
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474 | Print("Info call with: %s \n", feInfoCall); |
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475 | #endif |
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476 | return feInfoCall; |
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477 | } |
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478 | |
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479 | // |
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480 | // auxillary routines |
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481 | // |
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482 | static char* feRemovePathnameHead(const char* ef) |
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483 | { |
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484 | if (ef != NULL) |
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485 | { |
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486 | char* ret = mstrdup(ef); |
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487 | char* p = strrchr(ret, DIR_SEP); |
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488 | if (p != NULL) *p = '\0'; |
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489 | return ret; |
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490 | } |
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491 | return NULL; |
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492 | } |
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493 | |
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494 | // remove duplicates dir resp. those which do not exist |
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495 | static char* CleanUpPath(char* path) |
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496 | { |
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497 | #ifdef PATH_DEBUG |
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498 | Print("Entered CleanUpPath with: %s\n", path); |
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499 | #endif |
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500 | if (path == NULL) return path; |
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501 | |
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502 | int n_comps = 1, i, j; |
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503 | char* opath = path; |
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504 | char** path_comps; |
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505 | |
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506 | for (; *path != '\0'; path++) |
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507 | { |
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508 | if (*path == FS_SEP) n_comps++; |
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509 | } |
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510 | |
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511 | |
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512 | path_comps = (char**) AllocL(n_comps*sizeof(char*)); |
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513 | path_comps[0]=opath; |
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514 | path=opath; |
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515 | i = 1; |
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516 | |
---|
517 | if (i < n_comps) |
---|
518 | { |
---|
519 | while (1) |
---|
520 | { |
---|
521 | if (*path == FS_SEP) |
---|
522 | { |
---|
523 | *path = '\0'; |
---|
524 | path_comps[i] = path+1; |
---|
525 | i++; |
---|
526 | if (i == n_comps) break; |
---|
527 | } |
---|
528 | path++; |
---|
529 | } |
---|
530 | } |
---|
531 | |
---|
532 | for (i=0; i<n_comps; i++) |
---|
533 | path_comps[i] = CleanUpName(path_comps[i]); |
---|
534 | #ifdef PATH_DEBUG |
---|
535 | Print("After CleanUpName: "); |
---|
536 | for (i=0; i<n_comps; i++) |
---|
537 | Print("%s:", path_comps[i]); |
---|
538 | Print("\n"); |
---|
539 | #endif |
---|
540 | |
---|
541 | for (i=0; i<n_comps;) |
---|
542 | { |
---|
543 | #ifdef PATH_DEBUG |
---|
544 | if (access(path_comps[i], X_OK)) |
---|
545 | Print("remove %d:%s -- can not access\n", i, path_comps[i]); |
---|
546 | #endif |
---|
547 | if ( ! access(path_comps[i], X_OK)) |
---|
548 | { |
---|
549 | // x- permission is granted -- we assume that it is a dir |
---|
550 | for (j=0; j<i; j++) |
---|
551 | { |
---|
552 | if (strcmp(path_comps[j], path_comps[i]) == 0) |
---|
553 | { |
---|
554 | // found a duplicate |
---|
555 | #ifdef PATH_DEBUG |
---|
556 | Print("remove %d:%s -- equal to %d:%s\n", j, path_comps[j], i, path_comps[i]); |
---|
557 | #endif |
---|
558 | j = i+1; |
---|
559 | break; |
---|
560 | } |
---|
561 | } |
---|
562 | if (j == i) |
---|
563 | { |
---|
564 | i++; |
---|
565 | continue; |
---|
566 | } |
---|
567 | } |
---|
568 | // now we can either not access or found a duplicate |
---|
569 | path_comps[i] = NULL; |
---|
570 | for (j=i+1; j<n_comps; j++) |
---|
571 | path_comps[j-1] = path_comps[j]; |
---|
572 | n_comps--; |
---|
573 | } |
---|
574 | |
---|
575 | // assemble everything again |
---|
576 | for (path=opath, i=0;i<n_comps-1;i++) |
---|
577 | { |
---|
578 | strcpy(path, path_comps[i]); |
---|
579 | path += strlen(path); |
---|
580 | *path = FS_SEP; |
---|
581 | path++; |
---|
582 | } |
---|
583 | if (n_comps) strcpy(path, path_comps[i]); |
---|
584 | FreeL(path_comps); |
---|
585 | #ifdef PATH_DEBUG |
---|
586 | Print("SearchPath is: %s\n", opath); |
---|
587 | #endif |
---|
588 | return opath; |
---|
589 | } |
---|
590 | |
---|
591 | static char* CleanUpName(char* fname) |
---|
592 | { |
---|
593 | char* fn, *s; |
---|
594 | |
---|
595 | for (fn = fname; *fn != '\0'; fn++) |
---|
596 | { |
---|
597 | if (*fn == '/') |
---|
598 | { |
---|
599 | if (*(fn+1) == '\0') |
---|
600 | { |
---|
601 | if (fname != fn) *fn = '\0'; |
---|
602 | break; |
---|
603 | } |
---|
604 | if (*(fn + 1) == '/' && (fname != fn)) |
---|
605 | { |
---|
606 | mystrcpy(fn, fn+1); |
---|
607 | fn--; |
---|
608 | } |
---|
609 | else if (*(fn+1) == '.') |
---|
610 | { |
---|
611 | if (*(fn+2) == '.' && (*(fn + 3) == '/' || *(fn + 3) == '\0')) |
---|
612 | { |
---|
613 | *fn = '\0'; |
---|
614 | s = strrchr(fname, '/'); |
---|
615 | if (s != NULL) |
---|
616 | { |
---|
617 | mystrcpy(s+1, fn + (*(fn + 3) != '\0' ? 4 : 3)); |
---|
618 | fn = s-1; |
---|
619 | } |
---|
620 | else |
---|
621 | { |
---|
622 | *fn = '/'; |
---|
623 | } |
---|
624 | } |
---|
625 | else if (*(fn+2) == '/' || *(fn+2) == '\0') |
---|
626 | { |
---|
627 | mystrcpy(fn+1, fn+3); |
---|
628 | fn--; |
---|
629 | } |
---|
630 | } |
---|
631 | } |
---|
632 | } |
---|
633 | return fname; |
---|
634 | } |
---|
635 | #endif |
---|
636 | /***************************************************************** |
---|
637 | * |
---|
638 | * File handling |
---|
639 | * |
---|
640 | *****************************************************************/ |
---|
641 | |
---|
642 | FILE * feFopen(char *path, char *mode, char *where,int useWerror) |
---|
643 | { |
---|
644 | #ifdef __MWERKS__ |
---|
645 | FILE * f=myfopen(path,mode); |
---|
646 | if (f!=NULL) |
---|
647 | { |
---|
648 | if (where!=NULL) strcpy(where,path); |
---|
649 | return f; |
---|
650 | } |
---|
651 | char *res; |
---|
652 | int idat=strlen(SINGULAR_DATADIR),ipath=strlen(path); |
---|
653 | char *env=getenv("SINGULARPATH"); |
---|
654 | int ienv=0, ii=0; |
---|
655 | if (env!=NULL) |
---|
656 | { |
---|
657 | ienv=strlen(env); |
---|
658 | ii=ienv; |
---|
659 | } |
---|
660 | if (ii<idat) ii = idat; |
---|
661 | if (ii==0) |
---|
662 | { |
---|
663 | if (useWerror) |
---|
664 | Werror("cannot open `%s`",path); |
---|
665 | return f; |
---|
666 | } |
---|
667 | res=(char*) AllocL(ii+ipath+1); |
---|
668 | if (ienv!=0) |
---|
669 | { |
---|
670 | memcpy(res,env,ienv); |
---|
671 | memcpy(res+ienv,path,ipath); |
---|
672 | res[ienv+ipath]='\0'; |
---|
673 | f=myfopen(res,mode); |
---|
674 | } |
---|
675 | if ((f==NULL)&&(idat!=0)) |
---|
676 | { |
---|
677 | memcpy(res,SINGULAR_DATADIR,idat); |
---|
678 | memcpy(res+idat,path,ipath); |
---|
679 | res[idat+ipath]='\0'; |
---|
680 | f=myfopen(res,mode); |
---|
681 | } |
---|
682 | if (f==NULL) |
---|
683 | { |
---|
684 | if (useWerror) |
---|
685 | Werror("cannot open `%s`",res); |
---|
686 | } |
---|
687 | else if (where!=NULL) |
---|
688 | strcpy(where,res); |
---|
689 | FreeL(res); |
---|
690 | #else |
---|
691 | BOOLEAN tilde = FALSE; |
---|
692 | char longpath[MAXPATHLEN]; |
---|
693 | if (path[0]=='~') |
---|
694 | { |
---|
695 | char* home = getenv("HOME"); |
---|
696 | if (home != NULL) |
---|
697 | { |
---|
698 | strcpy(longpath, home); |
---|
699 | strcat(longpath, &(path[1])); |
---|
700 | path = longpath; |
---|
701 | } |
---|
702 | } |
---|
703 | FILE * f=myfopen(path,mode); |
---|
704 | if (where!=NULL) strcpy(where,path); |
---|
705 | if ((*mode=='r') && (path[0]!=DIR_SEP)&&(path[0]!='.') |
---|
706 | &&(f==NULL)) |
---|
707 | { |
---|
708 | char found = 0; |
---|
709 | char* spath = feGetSearchPath(); |
---|
710 | char *s; |
---|
711 | |
---|
712 | if (where==NULL) s=(char *)AllocL(250); |
---|
713 | else s=where; |
---|
714 | |
---|
715 | if (spath!=NULL) |
---|
716 | { |
---|
717 | char *p,*q; |
---|
718 | p = spath; |
---|
719 | while( (q=strchr(p, FS_SEP)) != NULL) |
---|
720 | { |
---|
721 | *q = '\0'; |
---|
722 | strcpy(s,p); |
---|
723 | *q = FS_SEP; |
---|
724 | strcat(s, DIR_SEPP); |
---|
725 | strcat(s, path); |
---|
726 | #ifndef macintosh |
---|
727 | if(!access(s, R_OK)) { found++; break; } |
---|
728 | #else |
---|
729 | f=fopen(s,mode); /* do not need myfopen: we test only the access */ |
---|
730 | if (f!=NULL) { found++; fclose(f); break; } |
---|
731 | #endif |
---|
732 | p = q+1; |
---|
733 | } |
---|
734 | if(!found) |
---|
735 | { |
---|
736 | strcpy(s,p); |
---|
737 | strcat(s, DIR_SEPP); |
---|
738 | strcat(s, path); |
---|
739 | } |
---|
740 | f=myfopen(s,mode); |
---|
741 | if (f!=NULL) |
---|
742 | { |
---|
743 | if (where==NULL) FreeL((ADDRESS)s); |
---|
744 | return f; |
---|
745 | } |
---|
746 | } |
---|
747 | else |
---|
748 | { |
---|
749 | if (where!=NULL) strcpy(s/*where*/,path); |
---|
750 | f=myfopen(path,mode); |
---|
751 | } |
---|
752 | if (where==NULL) FreeL((ADDRESS)s); |
---|
753 | } |
---|
754 | if ((f==NULL)&&(useWerror)) |
---|
755 | Werror("cannot open `%s`",path); |
---|
756 | #endif |
---|
757 | return f; |
---|
758 | } |
---|
759 | |
---|
760 | static char * feBufferStart; |
---|
761 | /* only used in StringSet(S)/StringAppend(S)*/ |
---|
762 | char * StringAppend(char *fmt, ...) |
---|
763 | { |
---|
764 | va_list ap; |
---|
765 | char *s = feBufferStart; /*feBuffer + strlen(feBuffer);*/ |
---|
766 | int more; |
---|
767 | va_start(ap, fmt); |
---|
768 | if ((more=feBufferStart-feBuffer+strlen(fmt)+100)>feBufferLength) |
---|
769 | { |
---|
770 | more = ((more + (4*1024-1))/(4*1024))*(4*1024); |
---|
771 | int l=s-feBuffer; |
---|
772 | feBuffer=(char *)ReAlloc((ADDRESS)feBuffer,feBufferLength, |
---|
773 | more); |
---|
774 | feBufferLength=more; |
---|
775 | s=feBuffer+l; |
---|
776 | #ifndef BSD_SPRINTF |
---|
777 | feBufferStart=s; |
---|
778 | #endif |
---|
779 | } |
---|
780 | #ifdef BSD_SPRINTF |
---|
781 | vsprintf(s, fmt, ap); |
---|
782 | while (*s!='\0') s++; |
---|
783 | feBufferStart =s; |
---|
784 | #else |
---|
785 | feBufferStart += vsprintf(s, fmt, ap); |
---|
786 | #endif |
---|
787 | va_end(ap); |
---|
788 | return feBuffer; |
---|
789 | } |
---|
790 | |
---|
791 | char * StringAppendS(char *st) |
---|
792 | { |
---|
793 | /* feBufferStart is feBuffer + strlen(feBuffer);*/ |
---|
794 | int more,l; |
---|
795 | int ll=feBufferStart-feBuffer; |
---|
796 | if ((more=ll+2+(l=strlen(st)))>feBufferLength) |
---|
797 | { |
---|
798 | more = ((more + (4*1024-1))/(4*1024))*(4*1024); |
---|
799 | feBuffer=(char *)ReAlloc((ADDRESS)feBuffer,feBufferLength, |
---|
800 | more); |
---|
801 | feBufferLength=more; |
---|
802 | feBufferStart=feBuffer+ll; |
---|
803 | } |
---|
804 | strcat(feBufferStart, st); |
---|
805 | feBufferStart +=l; |
---|
806 | return feBuffer; |
---|
807 | } |
---|
808 | |
---|
809 | char * StringSet(char *fmt, ...) |
---|
810 | { |
---|
811 | va_list ap; |
---|
812 | char *s = feBuffer; |
---|
813 | va_start(ap, fmt); |
---|
814 | #ifdef BSD_SPRINTF |
---|
815 | vsprintf(s, fmt, ap); |
---|
816 | while (*s!='\0') s++; |
---|
817 | feBufferStart = s; |
---|
818 | #else |
---|
819 | feBufferStart = feBuffer + vsprintf(s, fmt, ap); |
---|
820 | #endif |
---|
821 | va_end(ap); |
---|
822 | return feBuffer; |
---|
823 | } |
---|
824 | |
---|
825 | char * StringSetS(char *st) |
---|
826 | { |
---|
827 | int more,l; |
---|
828 | if ((l=strlen(st))>feBufferLength) |
---|
829 | { |
---|
830 | more = ((l + (4*1024-1))/(4*1024))*(4*1024); |
---|
831 | feBuffer=(char *)ReAlloc((ADDRESS)feBuffer,feBufferLength, |
---|
832 | more); |
---|
833 | feBufferLength=more; |
---|
834 | } |
---|
835 | strcpy(feBuffer,st); |
---|
836 | feBufferStart=feBuffer+l; |
---|
837 | return feBuffer; |
---|
838 | } |
---|
839 | |
---|
840 | #ifndef __MWERKS__ |
---|
841 | #ifdef HAVE_TCL |
---|
842 | void PrintTCLS(const char c, const char *s) |
---|
843 | { |
---|
844 | int l=strlen(s); |
---|
845 | if (l>0) PrintTCL(c,l,s); |
---|
846 | } |
---|
847 | #endif |
---|
848 | #endif |
---|
849 | |
---|
850 | extern "C" { |
---|
851 | void WerrorS(const char *s) |
---|
852 | { |
---|
853 | #ifdef HAVE_MPSR |
---|
854 | if (feBatch) |
---|
855 | { |
---|
856 | if (feErrors==NULL) |
---|
857 | { |
---|
858 | feErrors=(char *)Alloc(256); |
---|
859 | feErrorsLen=256; |
---|
860 | strcpy(feErrors,(char *)s); |
---|
861 | } |
---|
862 | else |
---|
863 | { |
---|
864 | if (((int)(strlen((char *)s)+strlen(feErrors)))>=feErrorsLen) |
---|
865 | { |
---|
866 | feErrors=(char *)ReAlloc(feErrors,feErrorsLen,feErrorsLen+256); |
---|
867 | feErrorsLen+=256; |
---|
868 | } |
---|
869 | strcat(feErrors,(char *)s); |
---|
870 | } |
---|
871 | strcat(feErrors,"\n"); |
---|
872 | } |
---|
873 | else |
---|
874 | #endif |
---|
875 | { |
---|
876 | #ifdef HAVE_TCL |
---|
877 | if (tclmode) |
---|
878 | { |
---|
879 | PrintTCLS('E',(char *)s); |
---|
880 | PrintTCLS('E',"\n"); |
---|
881 | } |
---|
882 | else |
---|
883 | #endif |
---|
884 | { |
---|
885 | fwrite(" ? ",1,5,stderr); |
---|
886 | fwrite((char *)s,1,strlen((char *)s),stderr); |
---|
887 | fwrite("\n",1,1,stderr); |
---|
888 | fflush(stderr); |
---|
889 | if (feProt&PROT_O) |
---|
890 | { |
---|
891 | fwrite(" ? ",1,5,feProtFile); |
---|
892 | fwrite((char *)s,1,strlen((char *)s),feProtFile); |
---|
893 | fwrite("\n",1,1,feProtFile); |
---|
894 | } |
---|
895 | } |
---|
896 | } |
---|
897 | errorreported = TRUE; |
---|
898 | } |
---|
899 | |
---|
900 | void Werror(char *fmt, ...) |
---|
901 | { |
---|
902 | va_list ap; |
---|
903 | va_start(ap, fmt); |
---|
904 | char *s=(char *)Alloc(256); |
---|
905 | vsprintf(s, fmt, ap); |
---|
906 | WerrorS(s); |
---|
907 | Free(s,256); |
---|
908 | va_end(ap); |
---|
909 | } |
---|
910 | } |
---|
911 | |
---|
912 | void WarnS(const char *s) |
---|
913 | { |
---|
914 | #define warn_str "// ** " |
---|
915 | #ifdef HAVE_TCL |
---|
916 | if (tclmode) |
---|
917 | { |
---|
918 | PrintTCLS('W',warn_str); |
---|
919 | PrintTCLS('W',s); |
---|
920 | PrintTCLS('W',"\n"); |
---|
921 | } |
---|
922 | else |
---|
923 | #endif |
---|
924 | { |
---|
925 | fwrite(warn_str,1,6,stdout); |
---|
926 | fwrite(s,1,strlen(s),stdout); |
---|
927 | fwrite("\n",1,1,stdout); |
---|
928 | fflush(stdout); |
---|
929 | if (feProt&PROT_O) |
---|
930 | { |
---|
931 | fwrite(warn_str,1,6,feProtFile); |
---|
932 | fwrite(s,1,strlen(s),feProtFile); |
---|
933 | fwrite("\n",1,1,feProtFile); |
---|
934 | } |
---|
935 | } |
---|
936 | } |
---|
937 | |
---|
938 | void Warn(const char *fmt, ...) |
---|
939 | { |
---|
940 | va_list ap; |
---|
941 | va_start(ap, fmt); |
---|
942 | char *s=(char *)Alloc(256); |
---|
943 | vsprintf(s, fmt, ap); |
---|
944 | WarnS(s); |
---|
945 | Free(s,256); |
---|
946 | va_end(ap); |
---|
947 | } |
---|
948 | |
---|
949 | #ifdef macintosh |
---|
950 | void mwrite(uchar c) |
---|
951 | { |
---|
952 | if (c == '\n') |
---|
953 | { |
---|
954 | cols = 0; |
---|
955 | if (lines == pagelength) |
---|
956 | { |
---|
957 | lines = 0; |
---|
958 | fePause(); |
---|
959 | } |
---|
960 | else |
---|
961 | { |
---|
962 | lines++; |
---|
963 | fePutChar(c); |
---|
964 | } |
---|
965 | } |
---|
966 | else |
---|
967 | { |
---|
968 | fePutChar(c); |
---|
969 | cols++; |
---|
970 | if (cols == colmax) |
---|
971 | { |
---|
972 | // cols = 0; //will be done by mwrite('\n'); |
---|
973 | mwrite('\n'); |
---|
974 | } |
---|
975 | } |
---|
976 | } |
---|
977 | #endif |
---|
978 | |
---|
979 | void PrintS(char *s) |
---|
980 | { |
---|
981 | #ifdef macintosh |
---|
982 | char c; |
---|
983 | while ('\0' != (c = *s++)) |
---|
984 | { |
---|
985 | mwrite(c); |
---|
986 | } |
---|
987 | #else |
---|
988 | #ifdef HAVE_TCL |
---|
989 | if (tclmode) |
---|
990 | { |
---|
991 | PrintTCLS('N',s); |
---|
992 | } |
---|
993 | else |
---|
994 | #endif |
---|
995 | { |
---|
996 | fwrite(s,1,strlen(s),stdout); |
---|
997 | fflush(stdout); |
---|
998 | if (feProt&PROT_O) |
---|
999 | { |
---|
1000 | fwrite(s,1,strlen(s),feProtFile); |
---|
1001 | } |
---|
1002 | } |
---|
1003 | #endif |
---|
1004 | } |
---|
1005 | |
---|
1006 | void PrintLn() |
---|
1007 | { |
---|
1008 | PrintS("\n"); |
---|
1009 | } |
---|
1010 | |
---|
1011 | void Print(char *fmt, ...) |
---|
1012 | { |
---|
1013 | va_list ap; |
---|
1014 | va_start(ap, fmt); |
---|
1015 | #ifdef HAVE_TCL |
---|
1016 | if(tclmode) |
---|
1017 | #endif |
---|
1018 | #if (defined(HAVE_TCL) || defined(macintosh)) |
---|
1019 | { |
---|
1020 | char *s=(char *)Alloc(strlen(fmt)+256); |
---|
1021 | vsprintf(s,fmt, ap); |
---|
1022 | #ifdef HAVE_TCL |
---|
1023 | PrintTCLS('N',s); |
---|
1024 | #endif |
---|
1025 | #ifdef macintosh |
---|
1026 | char c; |
---|
1027 | while ('\0' != (c = *s++)) |
---|
1028 | { |
---|
1029 | mwrite(c); |
---|
1030 | } |
---|
1031 | if (feProt&PROT_O) |
---|
1032 | { |
---|
1033 | vfprintf(feProtFile,fmt,ap); |
---|
1034 | } |
---|
1035 | #endif |
---|
1036 | } |
---|
1037 | #endif |
---|
1038 | #if !defined(macintosh) || defined(HAVE_TCL) |
---|
1039 | #ifdef HAVE_TCL |
---|
1040 | else |
---|
1041 | #endif |
---|
1042 | { |
---|
1043 | vfprintf(stdout, fmt, ap); |
---|
1044 | fflush(stdout); |
---|
1045 | if (feProt&PROT_O) |
---|
1046 | { |
---|
1047 | vfprintf(feProtFile,fmt,ap); |
---|
1048 | } |
---|
1049 | } |
---|
1050 | #endif |
---|
1051 | va_end(ap); |
---|
1052 | } |
---|
1053 | |
---|
1054 | void fePause() |
---|
1055 | { |
---|
1056 | #ifdef HAVE_TCL |
---|
1057 | if(!tclmode) |
---|
1058 | #endif |
---|
1059 | { |
---|
1060 | mflush(); |
---|
1061 | #ifndef macintosh |
---|
1062 | fputs("pause>",stderr); |
---|
1063 | #else |
---|
1064 | fputs("pause>\n",stderr); |
---|
1065 | #endif |
---|
1066 | uchar c = fgetc(stdin); |
---|
1067 | if (((c == '\003') || (c == 'C')) || (c == 'c')) |
---|
1068 | { |
---|
1069 | m2_end(4); |
---|
1070 | } |
---|
1071 | } |
---|
1072 | } |
---|
1073 | |
---|
1074 | void monitor(char* s, int mode) |
---|
1075 | { |
---|
1076 | if (feProt) |
---|
1077 | { |
---|
1078 | fclose(feProtFile); |
---|
1079 | } |
---|
1080 | if ((s!=NULL) && (*s!='\0')) |
---|
1081 | { |
---|
1082 | feProtFile = myfopen(s,"w"); |
---|
1083 | if (feProtFile==NULL) |
---|
1084 | { |
---|
1085 | Werror("cannot open %s",s); |
---|
1086 | } |
---|
1087 | else |
---|
1088 | feProt = (BOOLEAN)mode; |
---|
1089 | } |
---|
1090 | } |
---|
1091 | |
---|
1092 | |
---|
1093 | char* eati(char *s, int *i) |
---|
1094 | { |
---|
1095 | int l=0; |
---|
1096 | |
---|
1097 | if (*s >= '0' && *s <= '9') |
---|
1098 | { |
---|
1099 | *i = 0; |
---|
1100 | while (*s >= '0' && *s <= '9') |
---|
1101 | { |
---|
1102 | *i *= 10; |
---|
1103 | *i += *s++ - '0'; |
---|
1104 | l++; |
---|
1105 | if ((l>MAX_INT_LEN)||((*i) <0)) |
---|
1106 | { |
---|
1107 | s-=l; |
---|
1108 | Werror("`%s` greater than %d(max. integer representation)", |
---|
1109 | s,INT_MAX); |
---|
1110 | return s; |
---|
1111 | } |
---|
1112 | } |
---|
1113 | } |
---|
1114 | else *i = 1; |
---|
1115 | return s; |
---|
1116 | } |
---|
1117 | |
---|
1118 | #ifndef unix |
---|
1119 | // Make sure that mode contains binary option |
---|
1120 | FILE *myfopen(char *path, char *mode) |
---|
1121 | { |
---|
1122 | char mmode[4]; |
---|
1123 | int i; |
---|
1124 | BOOLEAN done = FALSE; |
---|
1125 | |
---|
1126 | for (i=0;;i++) |
---|
1127 | { |
---|
1128 | mmode[i] = mode[i]; |
---|
1129 | if (mode[i] == '\0') break; |
---|
1130 | if (mode[i] == 'b') done = TRUE; |
---|
1131 | } |
---|
1132 | |
---|
1133 | if (! done) |
---|
1134 | { |
---|
1135 | mmode[i] = 'b'; |
---|
1136 | mmode[i+1] = '\0'; |
---|
1137 | } |
---|
1138 | return fopen(path, mmode); |
---|
1139 | } |
---|
1140 | #endif |
---|
1141 | |
---|
1142 | // replace "\r\n" by " \n" and "\r" by "\n" |
---|
1143 | |
---|
1144 | size_t myfread(void *ptr, size_t size, size_t nmemb, FILE *stream) |
---|
1145 | { |
---|
1146 | size_t got = fread(ptr, size, nmemb, stream) * size; |
---|
1147 | size_t i; |
---|
1148 | |
---|
1149 | for (i=0; i<got; i++) |
---|
1150 | { |
---|
1151 | if ( ((char*) ptr)[i] == '\r') |
---|
1152 | { |
---|
1153 | if (i+1 < got && ((char*) ptr)[i+1] == '\n') |
---|
1154 | ((char*) ptr)[i] = ' '; |
---|
1155 | else |
---|
1156 | ((char*) ptr)[i] = '\n'; |
---|
1157 | } |
---|
1158 | } |
---|
1159 | return got; |
---|
1160 | } |
---|