mirror of https://github.com/snes9xgit/snes9x.git
130 lines
2.6 KiB
C
130 lines
2.6 KiB
C
/*
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Copyright (c) 1998-2005 Charles Bilyue'.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <string.h>
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int open_error(const char *filename, const char *mode)
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{
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printf("Failure opening %s for %s\n",filename,mode);
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return 1;
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}
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int main(int argc, char **argv)
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{
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int c;
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int section_count;
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FILE *in, *out;
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unsigned char section_header[40];
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if (argc < 2 || argc > 3)
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{
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printf("Fixes MS Win32 object files to be compatible with the incorrect\n");
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printf(" implementation in MinGW32.\n");
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printf("Usage: objfix infile [outfile]\n");
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return 1;
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}
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in = fopen(argv[1], (argc == 2 ? "rb+" : "rb"));
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if (!in) return open_error(argv[1], (argc == 2 ? "read" : "update"));
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if (argc == 3)
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{
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out = fopen(argv[2], "wb");
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if (!out) return open_error(argv[1], (argc == 2 ? "read" : "update"));
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}
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else
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{
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out = NULL;
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}
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if (out)
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{
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fputc(fgetc(in), out);
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fputc(fgetc(in), out);
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fputc(section_count = fgetc(in), out);
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fputc(c = fgetc(in), out);
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section_count += c << 8;
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for (c = 4; c < 0x14; c++)
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{
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fputc(fgetc(in), out);
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}
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for (c = 0; c < section_count; c++)
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{
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fread(section_header, 1, 40, in);
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if (!strncmp(section_header, ".bss", 8))
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{
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memcpy(section_header + 8, section_header + 16, 4);
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memset(section_header + 16, 0, 4);
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}
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else
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{
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memset(section_header + 8, 0, 4);
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}
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fwrite(section_header, 1, 40, out);
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}
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while ((c = fgetc(in)) != EOF)
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{
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fputc(c, out);
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}
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}
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else
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{
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fgetc(in);
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fgetc(in);
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section_count = fgetc(in);
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section_count += fgetc(in) << 8;
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fseek(in, 0x14, SEEK_SET);
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for (c = 0; c < section_count; c++)
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{
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fread(section_header, 1, 40, in);
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fseek(in, -40, SEEK_CUR);
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if (!strncmp(section_header, ".bss", 8))
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{
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memcpy(section_header + 8, section_header + 16, 4);
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memset(section_header + 16, 0, 4);
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}
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else
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{
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memset(section_header + 8, 0, 4);
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}
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fwrite(section_header, 1, 40, in);
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fseek(in, 0, SEEK_CUR);
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}
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}
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fclose(in);
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if (out) fclose(out);
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return 0;
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}
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