NetBSD/usr.sbin/tcpdchk/percent_m.c

45 lines
880 B
C

/* $NetBSD: percent_m.c,v 1.5 2018/01/23 21:06:26 sevan Exp $ */
/*
* Replace %m by system error message.
*
* Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#) percent_m.c 1.1 94/12/28 17:42:37";
#else
__RCSID("$NetBSD: percent_m.c,v 1.5 2018/01/23 21:06:26 sevan Exp $");
#endif
#endif
#include <stdio.h>
#include <errno.h>
#include <string.h>
#ifndef SYS_ERRLIST_DEFINED
extern char *sys_errlist[];
extern int sys_nerr;
#endif
#include "mystdarg.h"
#include "percent_m.h"
char *percent_m(char *obuf, const char *ibuf)
{
char *bp = obuf;
const char *cp = ibuf;
while ((*bp = *cp) != '\0')
if (*cp == '%' && cp[1] == 'm') {
strcpy(bp, strerror(errno));
bp += strlen(bp);
cp += 2;
} else {
bp++, cp++;
}
return (obuf);
}