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/*
* Copyright (c) 2000,2001,2002 Guido Draheim <guidod@gmx.de>
* Use freely under the restrictions of the ZLIB License
*/
#include <stdio.h>
#include <stdlib.h>
#include <zzip/zzip.h>
#ifndef O_BINARY
#define O_BINARY 0
#endif
static const char usage[] =
{
" zzipself <file>... \n"
" - prints the file to stdout, so you may want to redirect the output; \n"
" the file can be a normal file or an inflated part of a zip-archive, \n"
" however in this case the zip-archive happens to be the executed\n"
" binary itself, as if this program is a self-extract header of a zip. \n"
" zzipself README # same as # zzcat zzipself/README \n"
};
int
main (int argc, char ** argv)
{
int status = 0;
int argn;
if (argc <= 1)
{
printf (usage);
exit (0);
}
for (argn=1; argn < argc; argn++)
{
/* ZZIP_FILE* fp = zzip_fopen (argv[0]+"/"+argv[argn], "rbi"); */
/* .... = zzip_open (argv[0]+"/"+argv[argn], O_RDONLY|O_BINARY,
* ZZIP_CASELESS|ZZIP_ONLYZIP, ext, 0); */
static const char* ext[] = { "", ".exe", ".EXE", 0 };
ZZIP_FILE* fp;
ZZIP_DIR* zip = zzip_opendir_ext_io (argv[0],
ZZIP_CASELESS|ZZIP_ONLYZIP, ext, 0);
if (! zip) { perror(argv[0]); break; }
fp = zzip_file_open (zip, argv[argn], ZZIP_CASELESS);
if (! fp)
{
perror (argv[argn]);
continue;
}else{
char buf[17];
int n;
/* read chunks of 16 bytes into buf and print them to stdout */
while (0 < (n = zzip_read(fp, buf, 16)))
{
buf[n] = '\0';
# ifdef STDOUT_FILENO
write (STDOUT_FILENO, buf, n);
# else
fwrite (buf, 1, n, stdout);
# endif
}
if (n == -1)
{
perror (argv[argn]);
status ++;
}
}
zzip_file_close (fp);
zzip_closedir (zip);
}
return status;
}
/*
* Local variables:
* c-file-style: "stroustrup"
* End:
*/
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