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Only print PCRE2 error log message if error log is enabled

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Also, change the static buffer size to big enough for all error messages
according to PCRE2 manual.
This commit is contained in:
Esa Korhonen
2018-01-03 15:21:18 +02:00
parent c45a8abc20
commit 5fa1036a48
1 changed files with 6 additions and 10 deletions
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16
server/core/maxscale_pcre2.cc
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@ -143,18 +143,14 @@ void mxs_pcre2_print_error(int errorcode, const char *module_name, const char *f
{
ss_dassert(filename);
ss_dassert(func_name);
char errorbuf[100];
int err_msg_rval = pcre2_get_error_message(errorcode, (PCRE2_UCHAR*)errorbuf,
sizeof(errorbuf));
if (mxs_log_priority_is_enabled(LOG_ERR))
{
// 120 should be enough to contain any error message according to pcre2 manual.
const PCRE2_SIZE errbuf_len = 120;
PCRE2_UCHAR errorbuf[errbuf_len];
pcre2_get_error_message(errorcode, errorbuf, errbuf_len);
mxs_log_message(LOG_ERR, module_name, filename, line_num, func_name,
"PCRE2 Error message: '%s'.", errorbuf);
if (err_msg_rval == PCRE2_ERROR_NOMEMORY)
{
mxs_log_message(LOG_ERR, module_name, filename, line_num, func_name,
"PCRE2 error buffer was too small to contain the complete"
"message.");
}
}