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/* $OpenBSD: percent_m.c,v 1.1 1997/02/26 03:06:54 downsj Exp $ */
/*
* Replace %m by system error message.
*
* Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#) percent_m.c 1.1 94/12/28 17:42:37";
#else
static char rcsid[] = "$OpenBSD: percent_m.c,v 1.1 1997/02/26 03:06:54 downsj Exp $";
#endif
#endif
#include <stdio.h>
#include <stdarg.h>
#include <errno.h>
#include <string.h>
extern int errno;
#ifndef SYS_ERRLIST_DEFINED
extern char *sys_errlist[];
extern int sys_nerr;
#endif
char *percent_m(obuf, ibuf)
char *obuf;
char *ibuf;
{
char *bp = obuf;
char *cp = ibuf;
while ((*bp = *cp)) {
if (*cp == '%' && cp[1] == 'm') {
if (errno < sys_nerr && errno > 0) {
strcpy(bp, sys_errlist[errno]);
} else {
sprintf(bp, "Unknown error %d", errno);
}
bp += strlen(bp);
cp += 2;
} else {
bp++, cp++;
}
}
return (obuf);
}
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