[a3a6a0] | 1 | #include "singular_resourcesconfig.h" |
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[fd1b1be] | 2 | #include "feResource.h" |
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| 3 | #include "feFopen.h" |
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| 4 | |
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[1dad21] | 5 | #include <stdio.h> |
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| 6 | #include <stdlib.h> |
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| 7 | #include <string.h> |
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| 8 | #include <sys/types.h> |
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| 9 | #include <sys/stat.h> |
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| 10 | #include <unistd.h> |
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[bdda8c2] | 11 | #include <errno.h> |
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[1dad21] | 12 | |
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[24db42] | 13 | #if defined(HAVE_PWD_H) && defined(HAVE_GETPWNAM) |
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| 14 | #include <pwd.h> |
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| 15 | #endif |
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| 16 | |
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[1dad21] | 17 | |
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| 18 | |
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| 19 | |
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| 20 | extern "C" { |
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[a3f0fea] | 21 | VAR void (*WerrorS_callback)(const char *s) = NULL; |
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| 22 | VAR void (*PrintS_callback)(const char *s) = NULL; |
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| 23 | VAR short errorreported=0; |
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[1dad21] | 24 | void WerrorS(const char *s) |
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| 25 | { |
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[650b43] | 26 | errorreported = 1; |
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[1dad21] | 27 | if (WerrorS_callback == NULL) |
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| 28 | { |
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| 29 | fwrite(" ? ",1,5,stderr); |
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| 30 | fwrite((char *)s,1,strlen((char *)s),stderr); |
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| 31 | fwrite("\n",1,1,stderr); |
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| 32 | fflush(stderr); |
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| 33 | } |
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| 34 | else |
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| 35 | { |
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| 36 | WerrorS_callback(s); |
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| 37 | } |
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| 38 | } |
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| 39 | } |
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| 40 | |
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| 41 | /***************************************************************** |
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| 42 | * |
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| 43 | * File handling |
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| 44 | * |
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| 45 | *****************************************************************/ |
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| 46 | |
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| 47 | FILE * feFopen(const char *path, const char *mode, char *where, |
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| 48 | short useWerror, short path_only) |
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| 49 | { |
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| 50 | char longpath[MAXPATHLEN]; |
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| 51 | if (path[0]=='~') |
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| 52 | { |
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| 53 | if (path[1] == DIR_SEP) |
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| 54 | { |
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| 55 | const char* home = getenv("HOME"); |
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[57aada] | 56 | #ifdef __CUGWIN__ |
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[1dad21] | 57 | if ((home==NULL)||(!access(home,X_OK))) |
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| 58 | home = getenv("SINGHOME"); |
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| 59 | #endif |
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| 60 | if (home != NULL) |
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| 61 | { |
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| 62 | strcpy(longpath, home); |
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| 63 | strcat(longpath, &(path[1])); |
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| 64 | path = longpath; |
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| 65 | } |
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| 66 | } |
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| 67 | #if defined(HAVE_PWD_H) && defined(HAVE_GETPWNAM) |
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| 68 | else |
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| 69 | { |
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| 70 | char* dir_sep; |
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| 71 | struct passwd *pw_entry; |
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| 72 | strcpy (longpath, path); |
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| 73 | dir_sep = strchr(longpath, DIR_SEP); |
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| 74 | if (dir_sep==NULL) |
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| 75 | { |
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[24db42] | 76 | char buf[256]; |
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| 77 | strcpy(buf,"illegal ~ in filename >>"); |
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| 78 | strncat(buf,longpath,235); |
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| 79 | strcat(buf,"<<"); |
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| 80 | WerrorS(buf); |
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[1dad21] | 81 | return NULL; |
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| 82 | } |
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| 83 | *dir_sep = '\0'; |
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| 84 | pw_entry = getpwnam(&longpath[1]); |
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| 85 | if (pw_entry != NULL) |
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| 86 | { |
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| 87 | strcpy(longpath, pw_entry->pw_dir); |
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| 88 | dir_sep = strchr((char *)path, DIR_SEP); |
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| 89 | strcat(longpath, dir_sep); |
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| 90 | path = longpath; |
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| 91 | } |
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| 92 | } |
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| 93 | #endif |
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| 94 | } |
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| 95 | FILE * f=NULL; |
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| 96 | if (! path_only) |
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| 97 | { |
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| 98 | struct stat statbuf; |
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[bdda8c2] | 99 | int res = -1; |
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| 100 | do |
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| 101 | { |
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| 102 | res = stat(path,&statbuf); |
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| 103 | } while((res < 0) and (errno == EINTR)); |
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| 104 | if ((res == 0) |
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[1dad21] | 105 | && (S_ISREG(statbuf.st_mode))) |
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| 106 | f = myfopen(path,mode); |
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| 107 | } |
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| 108 | if (where!=NULL) strcpy(where,path); |
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| 109 | if ((*mode=='r') && |
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| 110 | (path[0]!=DIR_SEP) && |
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| 111 | ! (path[0] == '.' && path[1] == DIR_SEP) && |
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| 112 | (f==NULL)) |
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| 113 | { |
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| 114 | char found = 0; |
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| 115 | char* spath = feResource('s'); |
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| 116 | char *s; |
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| 117 | |
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| 118 | if (where==NULL) s=(char *)malloc(1024); |
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| 119 | else s=where; |
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| 120 | |
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| 121 | if (spath!=NULL) |
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| 122 | { |
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| 123 | char *p,*q; |
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| 124 | p = spath; |
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| 125 | while( (q=strchr(p, fePathSep)) != NULL) |
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| 126 | { |
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| 127 | *q = '\0'; |
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| 128 | strcpy(s,p); |
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| 129 | *q = fePathSep; |
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| 130 | strcat(s, DIR_SEPP); |
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| 131 | strcat(s, path); |
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| 132 | if(!access(s, R_OK)) { found++; break; } |
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| 133 | p = q+1; |
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| 134 | } |
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| 135 | if(!found) |
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| 136 | { |
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| 137 | strcpy(s,p); |
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| 138 | strcat(s, DIR_SEPP); |
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| 139 | strcat(s, path); |
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| 140 | } |
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| 141 | f=myfopen(s,mode); |
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| 142 | if (f!=NULL) |
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| 143 | { |
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| 144 | if (where==NULL) free(s); |
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| 145 | return f; |
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| 146 | } |
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| 147 | } |
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| 148 | else |
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| 149 | { |
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| 150 | if (where!=NULL) strcpy(s/*where*/,path); |
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| 151 | f=myfopen(path,mode); |
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| 152 | } |
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| 153 | if (where==NULL) free(s); |
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| 154 | } |
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| 155 | if ((f==NULL)&&(useWerror)) |
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| 156 | { |
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| 157 | char buf[256]; |
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| 158 | strcpy(buf,"cannot open `"); |
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| 159 | strncat(buf,path,240); |
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| 160 | strcat(buf,"`"); |
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| 161 | WerrorS(buf); |
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| 162 | } |
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| 163 | return f; |
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| 164 | } |
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| 165 | |
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| 166 | // Make sure that mode contains binary option |
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| 167 | FILE* myfopen(const char *path, const char *mode) |
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| 168 | { |
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[57aada] | 169 | #if (defined(__CUGWIN__)) |
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[1dad21] | 170 | char mmode[4]; |
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| 171 | int i; |
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| 172 | int done = 0; |
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| 173 | |
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| 174 | for (i=0;;i++) |
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| 175 | { |
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| 176 | mmode[i] = mode[i]; |
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| 177 | if (mode[i] == '\0') break; |
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| 178 | if (mode[i] == 'w') done = 1; |
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| 179 | if (mode[i] == 'a') done = 1; |
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| 180 | if (mode[i] == 'b') done = 1; |
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| 181 | } |
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| 182 | |
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| 183 | if (! done) |
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| 184 | { |
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| 185 | mmode[i] = 'b'; |
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| 186 | mmode[i+1] = '\0'; |
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| 187 | } |
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| 188 | return fopen(path, mmode); |
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| 189 | #else |
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| 190 | return fopen(path, mode); |
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| 191 | #endif |
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| 192 | } |
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| 193 | // replace "\r\n" by " \n" and "\r" by "\n" |
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| 194 | |
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| 195 | size_t myfread(void *ptr, size_t size, size_t nmemb, FILE *stream) |
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| 196 | { |
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| 197 | size_t got = fread(ptr, size, nmemb, stream) * size; |
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| 198 | size_t i; |
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| 199 | |
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| 200 | for (i=0; i<got; i++) |
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| 201 | { |
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| 202 | if ( ((char*) ptr)[i] == '\r') |
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| 203 | { |
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| 204 | if (i+1 < got && ((char*) ptr)[i+1] == '\n') |
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| 205 | ((char*) ptr)[i] = ' '; |
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| 206 | else |
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| 207 | ((char*) ptr)[i] = '\n'; |
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| 208 | } |
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| 209 | } |
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| 210 | return got; |
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| 211 | } |
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