60 lines
1.2 KiB
C
60 lines
1.2 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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int main(int argc, char **argv)
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{
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FD_t fdi, fdo;
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Header hd;
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int rc, isSource;
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char buffer[1024];
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int ct;
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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 = ufdOpen(argv[1], O_RDONLY, 0644);
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}
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if (Fileno(fdi) < 0) {
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perror("cannot open package");
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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, &hd, &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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gzdi = gzdFdopen(fdi, "r"); /* XXX gzdi == fdi */
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while ((ct = Fread(buffer, sizeof(buffer), 1, gzdi)) > 0) {
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Fwrite(buffer, ct, 1, fdo);
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}
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if (ct < 0) {
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fprintf (stderr, "rpm2cpio: zlib: %s\n", Fstrerror(gzdi));
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rc = EXIT_FAILURE;
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} else {
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rc = EXIT_SUCCESS;
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}
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Fclose(gzdi); /* XXX gzdi == fdi */
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return rc;
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}
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