busybox/miscutils/bbconfig.c

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2006-03-30 01:24:02 +05:30
/* vi: set sw=4 ts=4: */
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/* This file was released into the public domain by Paul Fox.
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*/
//usage:#define bbconfig_trivial_usage
//usage: ""
//usage:#define bbconfig_full_usage "\n\n"
//usage: "Print the config file used by busybox build"
#include "libbb.h"
#include "bbconfigopts.h"
#if ENABLE_FEATURE_COMPRESS_BBCONFIG
# include "bb_archive.h"
# include "bbconfigopts_bz2.h"
#endif
int bbconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int bbconfig_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
#if ENABLE_FEATURE_COMPRESS_BBCONFIG
bunzip_data *bd;
int i = start_bunzip(&bd,
/* src_fd: */ -1,
/* inbuf: */ bbconfig_config_bz2,
/* len: */ sizeof(bbconfig_config_bz2));
/* read_bunzip can longjmp to start_bunzip, and ultimately
* end up here with i != 0 on read data errors! Not trivial */
if (!i) {
/* Cannot use xmalloc: will leak bd in NOFORK case! */
char *outbuf = malloc_or_warn(sizeof(bbconfig_config));
if (outbuf) {
read_bunzip(bd, outbuf, sizeof(bbconfig_config));
full_write1_str(outbuf);
}
}
#else
full_write1_str(bbconfig_config);
#endif
return 0;
}