1/*	$NetBSD: percent_m.c,v 1.5 2018/01/23 21:06:26 sevan Exp $	*/
2
3 /*
4  * Replace %m by system error message.
5  *
6  * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
7  */
8
9#include <sys/cdefs.h>
10#ifndef lint
11#if 0
12static char sccsid[] = "@(#) percent_m.c 1.1 94/12/28 17:42:37";
13#else
14__RCSID("$NetBSD: percent_m.c,v 1.5 2018/01/23 21:06:26 sevan Exp $");
15#endif
16#endif
17
18#include <stdio.h>
19#include <errno.h>
20#include <string.h>
21
22#ifndef SYS_ERRLIST_DEFINED
23extern char *sys_errlist[];
24extern int sys_nerr;
25#endif
26
27#include "mystdarg.h"
28#include "percent_m.h"
29
30char *percent_m(char *obuf, const char *ibuf)
31{
32    char   *bp = obuf;
33    const char   *cp = ibuf;
34
35    while ((*bp = *cp) != '\0')
36	if (*cp == '%' && cp[1] == 'm') {
37	    strcpy(bp, strerror(errno));
38	    bp += strlen(bp);
39	    cp += 2;
40	} else {
41	    bp++, cp++;
42	}
43    return (obuf);
44}
45