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2004-11-19 David Young <dyoung@pobox.com>

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* log.c: (safe_strerror) New function: safe wrapper for strerror.
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ajs 2004-11-19 23:40:16 +00:00
parent ff29bb3150
commit ca35976927
3 changed files with 15 additions and 0 deletions
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4
lib/ChangeLog
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@ -1,3 +1,7 @@
2004-11-19 David Young <dyoung@pobox.com>
* log.c: (safe_strerror) New function: safe wrapper for strerror.
2004-11-19 Andrew J. Schorr <ajschorr@alumni.princeton.edu> 2004-11-19 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* sockopt.c: (setsockopt_so_recvbuf) Stop error message from being * sockopt.c: (setsockopt_so_recvbuf) Stop error message from being

8
lib/log.c
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@ -498,3 +498,11 @@ mes_lookup (struct message *meslist, int max, int index)
} }
return meslist[index].str; return meslist[index].str;
} }
/* Wrapper around strerror to handle case where it returns NULL. */
const char *
safe_strerror(int errnum)
{
const char *s = strerror(errnum);
return (s != NULL) ? s : "Unknown error";
}

3
lib/log.h
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@ -126,4 +126,7 @@ const char *mes_lookup (struct message *meslist, int max, int index);
extern const char *zlog_priority[]; extern const char *zlog_priority[];
/* Safe version of strerror -- never returns NULL. */
extern const char *safe_strerror(int errnum);
#endif /* _ZEBRA_LOG_H */ #endif /* _ZEBRA_LOG_H */