rpm-build/tools/rpmheader.c
2002-03-25 20:16:26 +00:00

39 lines
856 B
C

/* rpmheader: spit out the header portion of a package */
#include "system.h"
#include "header.h"
#include "rpmlead.h"
#include "signature.h"
#include "debug.h"
int main(int argc, char **argv)
{
FD_t fdi, fdo;
struct rpmlead lead;
Header hd;
int rc;
setprogname(argv[0]); /* Retrofit glibc __progname */
if (argc == 1) {
fdi = Fopen("-", "r.ufdio");
} else {
fdi = Fopen(argv[1], "r.ufdio");
}
if (Ferror(fdi)) {
fprintf(stderr, "%s: %s: %s\n", argv[0],
(argc == 1 ? "<stdin>" : argv[1]), Fstrerror(fdi));
exit(EXIT_FAILURE);
}
readLead(fdi, &lead);
rpmReadSignature(fdi, NULL, lead.signature_type);
hd = headerRead(fdi, (lead.major >= 3) ?
HEADER_MAGIC_YES : HEADER_MAGIC_NO);
fdo = Fopen("-", "w.ufdio");
rc = headerWrite(fdo, hd, HEADER_MAGIC_YES);
return rc;
}