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Viewing changes to misc/strerror.c

  • Committer: Bazaar Package Importer
  • Author(s): Joey Hess
  • Date: 2002-01-22 20:56:57 UTC
  • Revision ID: james.westby@ubuntu.com-20020122205657-l74j50mr9z8ofcl5
Tags: upstream-4.0.3
Import upstream version 4.0.3

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misc/strerror.c
 
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#include "system.h"
 
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extern int sys_nerr;
 
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extern char *sys_errlist[];
 
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static char buf[64];
 
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char *
 
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strerror(int errnum) 
 
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{
 
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  if (errnum < 0 || errnum > sys_nerr)
 
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    {
 
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      static char fmt[] = "Unknown error %d";
 
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      size_t len = (size_t) sprintf (buf, fmt, errnum);
 
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      if (len < (size_t) sizeof(fmt) - 2)
 
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        return NULL;
 
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      buf[len - 1] = '\0';
 
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      return buf;
 
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    }
 
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  return (char *) sys_errlist[errnum];
 
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}