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/* rpmarchive: spit out the main archive portion of a package */
#include "system.h"
#include "rpmlib.h"
int main(int argc, char **argv)
{
FD_t fdi, fdo;
Header h;
char * rpmio_flags;
int rc, isSource;
FD_t gzdi;
setprogname(argv[0]); /* Retrofit glibc __progname */
if (argc == 1) {
fdi = fdDup(STDIN_FILENO);
} else {
fdi = Fopen(argv[1], "r.ufdio");
}
if (fdi == NULL || Ferror(fdi)) {
fprintf(stderr, _("cannot open package: %s\n"), Fstrerror(fdi));
exit(EXIT_FAILURE);
}
fdo = fdDup(STDOUT_FILENO);
rc = rpmReadPackageHeader(fdi, &h, &isSource, NULL, NULL);
switch (rc) {
case 0:
break;
case 1:
fprintf(stderr, _("argument is not an RPM package\n"));
exit(EXIT_FAILURE);
break;
default:
fprintf(stderr, _("error reading header from package\n"));
exit(EXIT_FAILURE);
break;
}
/* Retrieve type of payload compression. */
{ const char * payload_compressor = NULL;
char * t;
if (!headerGetEntry(h, RPMTAG_PAYLOADCOMPRESSOR, NULL,
(void **) &payload_compressor, NULL))
payload_compressor = "gzip";
rpmio_flags = t = alloca(sizeof("r.gzdio"));
*t++ = 'r';
if (!strcmp(payload_compressor, "gzip"))
t = stpcpy(t, ".gzdio");
if (!strcmp(payload_compressor, "bzip2"))
t = stpcpy(t, ".bzdio");
}
gzdi = Fdopen(fdi, rpmio_flags); /* XXX gzdi == fdi */
if (gzdi == NULL || Ferror(gzdi)) {
fprintf(stderr, _("cannot re-open payload: %s\n"), Fstrerror(gzdi));
exit(EXIT_FAILURE);
}
#ifdef DYING
{ char buffer[BUFSIZ];
int ct;
while ((ct = Fread(buffer, sizeof(buffer[0]), sizeof(buffer), gzdi)) > 0) {
Fwrite(buffer, sizeof(buffer[0]), ct, fdo);
}
if (ct < 0) {
fprintf (stderr, "rpm2cpio: zlib: %s\n", Fstrerror(gzdi));
rc = EXIT_FAILURE;
} else {
rc = EXIT_SUCCESS;
}
}
#else
rc = ufdCopy(gzdi, fdo);
rc = (rc <= 0) ? EXIT_FAILURE : EXIT_SUCCESS;
Fclose(fdo);
#endif
Fclose(gzdi); /* XXX gzdi == fdi */
return rc;
}
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