tools/bin2res.c

   1 /************************************************
   2  *
   3  * Converting binary resources from/to *.rc files
   4  *
   5  * Copyright 1999 Juergen Schmied
   6  * Copyright 2003 Dimitrie O. Paun
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <ctype.h>
  29 #include <string.h>
  30 #include <sys/stat.h>
  31 #ifdef HAVE_SYS_PARAM_H
  32 # include <sys/param.h>
  33 #endif
  34
  35 static const char* help =
  36         "Usage: bin2res [OPTIONS] <rsrc.rc>\n"
  37         "  -a archive binaries into the <rsrc.rc> file\n"
  38         "  -x extract binaries from the <rsrc.rc> file\n"
  39         "  -i <filename> archive the named file into the <rsrc.rc> file\n"
  40         "  -o <filename> extract the named file from the <rsrc.rc> file\n"
  41         "  -f force processing of older resources\n"
  42         "  -v causes the command to be verbous during processing\n"
  43         "  -h print this help screen and exit\n"
  44         "\n"
  45         "This tool allows the insertion/extractions of embedded binary\n"
  46         "resources to/from .rc files, for storage within the cvs tree.\n"
  47         "This is accomplished by placing a magic marker in a comment\n"
  48         "just above the resource. The marker consists of the BINRES\n"
  49         "string followed by the file name. For example, to insert a\n"
  50         "brand new binary resource in a .rc file, place the marker\n"
  51         "above empty brackets:\n"
  52         "    /* BINRES idb_std_small.bmp */\n"
  53         "   {}\n"
  54         "To merge the binary resources into the .rc file, run:\n"
  55         "   bin2res -a myrsrc.rc\n"
  56         "Only resources that are newer than the .rc are processed.\n"
  57         "To extract the binary resources from the .rc file, run:\n"
  58         "  bin2res -x myrsrc.rc\n"
  59         "Binary files newer than the .rc file are not overwritten.\n"
  60         "\n"
  61         "To force processing of all resources, use the -f flag.\n"
  62         "To process a particular file, use the -i/-o options.\n";
  63
  64 void usage(void)
  65 {
  66     printf(help);
  67     exit(1);
  68 }
  69
  70 int insert_hexdump (FILE* outfile, FILE* infile)
  71 {
  72     int i, c;
  73
  74     fprintf (outfile, "{\n '");
  75     for (i = 0; (c = fgetc(infile)) != EOF; i++)
  76     {
  77         if (i && (i % 16) == 0) fprintf (outfile, "'\n '");
  78         if (i % 16)  fprintf (outfile, " ");
  79         fprintf(outfile, "%02X", c);
  80     }
  81     fprintf (outfile, "'\n}");
  82
  83     return 1;
  84 }
  85
  86 int hex2bin(char c)
  87 {
  88     if (!isxdigit(c)) return -1024;
  89     if (isdigit(c)) return c - '0';
  90     return toupper(c) - 'A' + 10;
  91 }
  92
  93 int extract_hexdump (FILE* outfile, FILE* infile)
  94 {
  95     int byte, c;
  96
  97     while ( (c = fgetc(infile)) != EOF && c != '}')
  98     {
  99         if (isspace(c) || c == '\'') continue;
 100         byte = 16 * hex2bin(c);
 101         c = fgetc(infile);
 102         if (c == EOF) return 0;
 103         byte += hex2bin(c);
 104         if (byte < 0) return 0;
 105         fputc(byte, outfile);
 106     }
 107     return 1;
 108 }
 109
 110 const char* parse_marker(const char *line, time_t* last_updated)
 111 {
 112     static char res_file_name[PATH_MAX], *rpos, *wpos;
 113     struct stat st;
 114
 115     if (!(rpos = strstr(line, "BINRES"))) return 0;
 116     for (rpos += 6; *rpos && isspace(*rpos); rpos++) /**/;
 117     for (wpos = res_file_name; *rpos && !isspace(*rpos); ) *wpos++ = *rpos++;
 118     *wpos = 0;
 119
 120     *last_updated = (stat(res_file_name, &st) < 0) ? 0 : st.st_mtime;
 121
 122     return res_file_name;
 123 }
 124
 125 int process_resources(const char* input_file_name, const char* specific_file_name,
 126                       int inserting, int force_processing, int verbose)
 127 {
 128     char buffer[2048], tmp_file_name[PATH_MAX];
 129     const char *res_file_name;
 130     time_t rc_last_update, res_last_update;
 131     FILE *fin, *fres, *ftmp = 0;
 132     struct stat st;
 133     int fd, c;
 134
 135     if (!(fin = fopen(input_file_name, "r"))) return 0;
 136     if (stat(input_file_name, &st) < 0) return 0;
 137     rc_last_update = st.st_mtime;
 138
 139     if (inserting)
 140     {
 141         strcpy(tmp_file_name, input_file_name);
 142         strcat(tmp_file_name, "-XXXXXX.temp");
 143         if ((fd = mkstemps(tmp_file_name, 5)) == -1)
 144         {
 145             strcpy(tmp_file_name, "/tmp/bin2res-XXXXXX.temp");
 146             if ((fd = mkstemps(tmp_file_name, 5)) == -1) return 0;
 147         }
 148         if (!(ftmp = fdopen(fd, "w"))) return 0;
 149     }
 150
 151     for (c = EOF; fgets(buffer, sizeof(buffer), fin); c = EOF)
 152     {
 153         if (inserting) fprintf(ftmp, "%s", buffer);
 154         if (!(res_file_name = parse_marker(buffer, &res_last_update))) continue;
 155         if ( (specific_file_name && strcmp(specific_file_name, res_file_name)) ||
 156              (!force_processing && ((rc_last_update < res_last_update) == !inserting)) )
 157         {
 158             if (verbose) printf("skipping '%s'\n", res_file_name);
 159             continue;
 160         }
 161
 162         if (verbose) printf("processing '%s'\n", res_file_name);
 163         while ( (c = fgetc(fin)) != EOF && c != '{')
 164             if (inserting) fputc(c, ftmp);
 165         if (c == EOF) break;
 166
 167         if (!(fres = fopen(res_file_name, inserting ? "rb" : "wb"))) break;
 168         if (inserting)
 169         {
 170             if (!insert_hexdump(ftmp, fres)) break;
 171             while ( (c = fgetc(fin)) != EOF && c != '}') /**/;
 172         }
 173         else
 174         {
 175             if (!extract_hexdump(fres, fin)) break;
 176         }
 177         fclose(fres);
 178     }
 179
 180     fclose(fin);
 181
 182     if (inserting)
 183     {
 184         fclose(ftmp);
 185         if (c == EOF && rename(tmp_file_name, input_file_name) < 0)
 186             c = '.'; /* force an error */
 187         else unlink(tmp_file_name);
 188     }
 189
 190     return c == EOF;
 191 }
 192
 193 int main(int argc, char **argv)
 194 {
 195     int convert_dir = 0, optc;
 196     int force_overwrite = 0, verbose = 0;
 197     const char* input_file_name = 0;
 198     const char* specific_file_name = 0;
 199
 200     while((optc = getopt(argc, argv, "axi:o:fh")) != EOF)
 201     {
 202         switch(optc)
 203         {
 204         case 'a':
 205         case 'x':
 206             if (convert_dir) usage();
 207             convert_dir = optc;
 208         break;
 209         case 'i':
 210         case 'o':
 211             if (specific_file_name) usage();
 212             specific_file_name = optarg;
 213             optc = ((optc == 'i') ? 'a' : 'x');
 214             if (convert_dir && convert_dir != optc) usage();
 215             convert_dir = optc;
 216         break;
 217         case 'f':
 218             force_overwrite = 1;
 219         break;
 220         case 'v':
 221             verbose = 1;
 222         break;
 223         case 'h':
 224             printf(help);
 225             exit(0);
 226         break;
 227         default:
 228             usage();
 229         }
 230     }
 231
 232     if (optind + 1 != argc) usage();
 233     input_file_name = argv[optind];
 234
 235     if (!convert_dir) usage();
 236
 237     if (!process_resources(input_file_name, specific_file_name,
 238                            convert_dir == 'a', force_overwrite, verbose))
 239     {
 240         perror("Processing failed");
 241         exit(1);
 242     }
 243
 244     return 0;
 245 }