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unixunpk.c
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Mon, Feb 24, 14:08

unixunpk.c
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/* (C) Copyright 1993,1994 by Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of Carnegie
* Mellon University not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. Carnegie Mellon University makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <unistd.h>
#include "version.h"
#include "part.h"
extern int overwrite_files;
extern int didchat;
int quiet;
void usage(void);
int handleMessage(struct part *inpart, char *defaultContentType,
int inAppleDouble, int extractText);
int main(int argc, char **argv)
{
int opt;
FILE *file;
int extractText = 0;
while ((opt = getopt(argc, argv, "qftC:")) != EOF) {
switch (opt) {
case 'f':
overwrite_files = 1;
break;
case 'q':
quiet = 1;
break;
case 't':
extractText = 1;
break;
case 'C':
if (chdir(optarg)) {
perror(optarg);
exit(1);
}
break;
default:
usage();
}
}
if (optind == argc) {
fprintf(stderr, "munpack: reading from standard input\n");
didchat = 0;
handleMessage(part_init(stdin), "text/plain", 0, extractText);
if (!didchat) {
fprintf(stdout,
"Did not find anything to unpack from standard input\n");
}
exit(0);
}
while (argv[optind]) {
file = fopen(argv[optind], "r");
if (!file) {
perror(argv[optind]);
}
else {
didchat = 0;
handleMessage(part_init(file), "text/plain", 0, extractText);
fclose(file);
if (!didchat) {
fprintf(stdout,
"Did not find anything to unpack from %s\n",
argv[optind]);
}
}
optind++;
}
exit(0);
}
void usage(void) {
fprintf(stderr, "munpack version %s\n", MPACK_VERSION);
fprintf(stderr, "usage: munpack [-f] [-q] [-t] [-C directory] [files...]\n");
exit(1);
}
void warn(char *s)
{
fprintf(stderr, "munpack: warning: %s\n", s);
}
void chat(char *s)
{
didchat = 1;
if (!quiet) fprintf(stdout, "%s\n", s);
}

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