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