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#include <stdio.h>
#include <stdlib.h>
static const char usage[] =
{
"zzipsetstub <zipfile> <zipsfxstub>... \n"
" overwrite the header of the zipfile with the sfxstub code.\n"
" this is usually the last step in creating a selfextract archive\n"
" or an application with all its data appended as a zip.\n"
};
int
main (int argc, char ** argv)
{
int argn;
if (argc <= 2)
{
printf (usage);
exit (0);
}
{
char buf[17]; int n;
char* zipfile = 0; FILE* zipFILE = 0;
char* sfxfile = 0; FILE* sfxFILE = 0;
for (argn=1; argn < argc; argn++)
{
if (argv[argn][0] == '-') continue;
if (! zipfile) { zipfile = argv[argn]; continue; }
if (! sfxfile) { sfxfile = argv[argn]; continue; }
/* superflous argument */
}
zipFILE = fopen (zipfile, "r+b");
if (! zipFILE) { perror (zipfile); return 1; }
sfxFILE = fopen (sfxfile, "rb");
if (! sfxFILE) { perror (sfxfile); return 1; }
while (0 < (n = fread(buf, 1, 16, sfxFILE)))
{
buf[n] = '\0';
fwrite (buf, 1, n, zipFILE);
}
if (n == -1)
perror (argv[argn]);
fclose (sfxFILE);
fclose (zipFILE);
}
return 0;
}
/*
* Local variables:
* c-file-style: "stroustrup"
* End:
*/
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