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32 lines
575 B
C
32 lines
575 B
C
/* $Id: strerror.c,v 1.5 1998/09/01 03:24:33 momjian Exp $ */
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/*
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* strerror - map error number to descriptive string
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*
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* This version is obviously somewhat Unix-specific.
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*
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* based on code by Henry Spencer
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* modified for ANSI by D'Arcy J.M. Cain
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*/
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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extern const char *const sys_errlist[];
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extern int sys_nerr;
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const char *
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strerror(int errnum)
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{
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static char buf[24];
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if (errnum < 0 || errnum > sys_nerr)
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{
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sprintf(buf, "unknown error %d", errnum);
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return buf;
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}
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return sys_errlist[errnum];
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}
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