/* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */ /* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */ /* Updated 2008 to use fread/fopen and friends instead of read/open so it compiles with GCC on Unix (Rubidium) */ #include <stdio.h> #include <stdlib.h> #include <fcntl.h> #include <sys/stat.h> #include <string.h> #include <unistd.h> #include <ctype.h> static void exe2aout(char *fname) { unsigned short header[3]; FILE *ifile; FILE *ofile; char buf[4096]; int rbytes; char *dot = strrchr(fname, '.'); if (!dot || strlen(dot) != 4 || tolower(dot[1]) != 'e' || tolower(dot[2]) != 'x' || tolower(dot[3]) != 'e') { fprintf(stderr, "%s: Arguments MUST end with a .exe extension\n", fname); return; } ifile = fopen(fname, "rb"); if (!ifile) { perror(fname); return; } fread(header, sizeof(header), 1, ifile); if (header[0] == 0x5a4d) { long header_offset = (long)header[2]*512L; if (header[1]) header_offset += (long)header[1] - 512L; fseek(ifile, header_offset, SEEK_SET); header[0] = 0; fread(header, sizeof(header), 1, ifile); if ((header[0] != 0x010b) && (header[0] != 0x014c)) { fprintf(stderr, "`%s' does not have a COFF/AOUT program appended to it\n", fname); return; } fseek(ifile, header_offset, SEEK_SET); } else { fprintf(stderr, "`%s' is not an .EXE file\n", fname); return; } *dot = 0; ofile = fopen(fname, "w+b"); if (!ofile) { perror(fname); return; } while ((rbytes=fread(buf, 1, 4096, ifile)) > 0) { int wb = fwrite(buf, 1, rbytes, ofile); if (wb < 0) { perror(fname); break; } if (wb < rbytes) { fprintf(stderr, "`%s': disk full\n", fname); exit(1); } } fclose(ifile); fclose(ofile); } int main(int argc, char **argv) { int i; if (argc == 1) printf("Usage: %s <exename>", argv[0]); for (i=1; i<argc; i++) exe2aout(argv[i]); return 0; }