libzahl

big integer library
git clone git://git.suckless.org/libzahl
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zperror.c (372B)

      1 /* See LICENSE file for copyright and license details. */
      2 #include "internals.h"
      3 
      4 #include <stdio.h>
      5 
      6 
      7 void
      8 zperror(const char *prefix)
      9 {
     10 	if (libzahl_error >= 0) {
     11 		errno = libzahl_error;
     12 		perror(prefix);
     13 	} else {
     14 		const char *desc;
     15 		zerror(&desc);
     16 		if (prefix && *prefix)
     17 			fprintf(stderr, "%s: %s\n", prefix, desc);
     18 		else
     19 			fprintf(stderr, "%s\n", desc);
     20 	}
     21 }