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added [v]iew option

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This commit is contained in:
Bradley Bell 2002-08-26 07:51:24 +00:00
parent 03231a4337
commit b1e78c40ba
1 changed files with 27 additions and 11 deletions
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38
utilities/hogextract.c
View file

@ -1,6 +1,9 @@
/*
* Written 1999 Jan 29 by Josh Cogliati
* I grant this program to public domain.
*
* Modified by Bradley Bell, 2002
* All modifications under GPL, version 2 or later
*/
#include <stdio.h>
@ -17,10 +20,19 @@ main(int argc, char *argv[])
char filename[13];
char *buf;
struct stat statbuf;
int v = 0;
if (argc > 1 && !strcmp(argv[1], "v")) {
v = 1;
argc--;
argv++;
}
if (argc != 2) {
printf("Usage: hogextract hogfile\n"
"extracts all the files in hogfile into the current directory\n");
printf("Usage: hogextract [v] hogfile\n"
"extracts all the files in hogfile into the current directory\n"
"Options:\n"
" v View files, don't extract\n");
exit(0);
}
hogfile = fopen(argv[1], "r");
@ -34,15 +46,19 @@ main(int argc, char *argv[])
fread(filename, 13, 1, hogfile);
fread(&len, sizeof(int), 1, hogfile);
printf("Filename: %s \tLength: %i\n", filename, len);
buf = (char *)malloc(len);
if (buf == NULL) {
printf("Unable to allocate memory\n");
} else {
fread(buf, len, 1, hogfile);
writefile = fopen(filename, "w");
fwrite(buf, len, 1, writefile);
fclose(writefile);
free(buf);
if (v)
fseek(hogfile, len, SEEK_CUR);
else {
buf = (char *)malloc(len);
if (buf == NULL) {
printf("Unable to allocate memory\n");
} else {
fread(buf, len, 1, hogfile);
writefile = fopen(filename, "w");
fwrite(buf, len, 1, writefile);
fclose(writefile);
free(buf);
}
}
}
fclose(hogfile);