view retrieve.cpp @ 596:6ad0a6e67d4c

Take advantage of those new handy _or_goto_error macros

Use them in various places where previously we either elided the error
checking (various lseek() calls) or used a combination of calls
(replaced by malloc_and_fill_or_goto_error()).

In the process, fix what is probably a bug (or else introduce one, but I
don't think so): audiodb_track_id_datum() computed the offset into the
timesTable wrongly, forgetting to multiply by 2.  (TODO: this should be
easily testable using the API).

Now all of LIBOBJS can be produced by my (Debian's) mingw32
cross-compiler, except for lshlib.o.

extern "C" {
#include "audioDB_API.h"
}
#include "audioDB-internals.h"

int audiodb_retrieve_datum(adb_t *adb, const char *key, adb_datum_t *datum) {
  uint32_t index = audiodb_key_index(adb, key);
  if(index == (uint32_t) -1) {
    return 1;
  } else {
    return audiodb_track_id_datum(adb, index, datum);
  }
}

int audiodb_free_datum(adb_t *adb, adb_datum_t *datum) {
  return audiodb_really_free_datum(datum);
}