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上传时间: 2011-03-31
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/* cole - A free C OLE library. cole_extract - Extract a file from a filesystem. Copyright 1998, 1999 Roberto Arturo Tena Sanchez This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITN ESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* Arturo Tena */ #include /* To compile this file outside cole source tree, you must include here instead */ #include "cole.h" #define PRGNAME "iOLE" #define BUFFER_SIZE 128 int main(int argc, char **argv) { COLEFS *cfs; COLEFILE *cf; COLERRNO colerrno; char buffer[BUFFER_SIZE]; size_t char_read; if (argc != 3) { fprintf(stderr, "cole_extract. Extract a file from a " "filesystem to the standard output.\n" "Usage: "PRGNAME" \n" " FILE - File with the filesystem.\n" " INFILE - Filename of the file to extract.\n"); exit(1); } printf("%s",argv[1]); cfs = cole_mount(argv[1], &colerrno); if (cfs == NULL) { cole_perror(PRGNAME, colerrno); exit(1); } cf = cole_fopen(cfs, argv[2], &colerrno); if (cf == NULL) { cole_perror(PRGNAME, colerrno); cole_umount(cfs, NULL); exit(1); } while ((char_read = cole_fread(cf, buffer, BUFFER_SIZE, &colerrno))) { if (fwrite(buffer, 1, char_read, stdout) != char_read) { break; } } if (!cole_feof(cf)) { cole_perror(PRGNAME, colerrno); cole_umount(cfs, NULL); exit(1); } if (cole_fclose(cf, &colerrno)) { cole_perror(PRGNAME, colerrno); cole_umount(cfs, NULL); exit(1); } if (cole_umount(cfs, &colerrno)) { cole_perror(PRGNAME, colerrno); exit(1); } exit(0); } ...展开收缩
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