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Check errorcode > 0 in regerror().

This commit is contained in:
Philip.Hazel 2015-11-11 17:52:11 +00:00
parent ab48e8bb73
commit ccfd31cda2
2 changed files with 3 additions and 1 deletions
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2
ChangeLog
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@ -286,6 +286,8 @@ a factor of the size of the compiling workspace (it currently is).
83. Lock out configuring for EBCDIC with non-8-bit libraries. 83. Lock out configuring for EBCDIC with non-8-bit libraries.
84. Test for error code <= 0 in regerror().
Version 10.20 30-June-2015 Version 10.20 30-June-2015
-------------------------- --------------------------

2
src/pcre2posix.c
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@ -147,7 +147,7 @@ regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size)
int used; int used;
const char *message; const char *message;
message = (errcode >= (int)(sizeof(pstring)/sizeof(char *)))? message = (errcode <= 0 || errcode >= (int)(sizeof(pstring)/sizeof(char *)))?
"unknown error code" : pstring[errcode]; "unknown error code" : pstring[errcode];
if (preg != NULL && (int)preg->re_erroffset != -1) if (preg != NULL && (int)preg->re_erroffset != -1)