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/* Example 2 from Maximum RPM book by Edward C. Bailey
* Updated for 2.5.6 20 Mar 99 by Scott Bronson
* Updated again for 3.0.3 4 Oct 99 by Scott Bronson
*/
/* This iterates through all RPMs by name, using strcmp
* to find the RPM named on the command line. See Example 3
* for a much better way of doing this
*/
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <rpmlib.h>
#ifndef HEADER_DUMP_INLINE
/**
* Dump a header in human readable format (for debugging).
* @param h header
* @param flags 0 or HEADER_DUMP_INLINE
* @param tags array of tag name/value pairs
*/
void headerDump(Header h, FILE *f, int flags,
const struct headerTagTableEntry_s * tags)
/*@globals fileSystem @*/
/*@modifies f, fileSystem @*/;
#define HEADER_DUMP_INLINE 1
#endif
int main( int argc, char **argv )
{
rpmdbMatchIterator mi;
Header h;
int_32 type, count;
char *name;
rpmdb db;
rpmReadConfigFiles( NULL, NULL );
if( rpmdbOpen( "", &db, O_RDONLY, 0644 ) != 0 ) {
fprintf( stderr, "cannot open database!\n" );
exit(EXIT_FAILURE);
}
mi = rpmdbInitIterator(db, RPMDBI_PACKAGES, NULL, 0);
while ((h = rpmdbNextIterator(mi)) != NULL) {
headerGetEntry( h, RPMTAG_NAME, &type, (void**)&name, &count );
if( strcmp(name,argv[1]) == 0 )
headerDump( h, stdout, HEADER_DUMP_INLINE, rpmTagTable );
/*
* Note that the header reference is "owned" by the iterator,
* so no headerFree() is necessary.
*/
}
mi = rpmdbFreeIterator(mi);
rpmdbClose( db );
return 0;
}
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