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Replace strncpy with strlcpy in selected places that seem possibly relevant

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to performance.  (A wholesale effort to get rid of strncpy should be
undertaken sometime, but not during beta.)  This commit also fixes dynahash.c
to correctly truncate overlength string keys for hashtables, so that its
callers don't have to anymore.
This commit is contained in:
Tom Lane
2006-09-27 18:40:10 +00:00
parent 996b203e62
commit c92f7e258e
11 changed files with 72 additions and 73 deletions
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18
src/backend/utils/error/elog.c
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@ -42,7 +42,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.173 2006/07/14 14:52:25 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.174 2006/09/27 18:40:09 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1225,6 +1225,7 @@ write_syslog(int level, const char *line)
while (len > 0)
{
char buf[PG_SYSLOG_LIMIT + 1];
const char *nlpos;
int buflen;
int i;
@ -1236,12 +1237,15 @@ write_syslog(int level, const char *line)
continue;
}
strncpy(buf, line, PG_SYSLOG_LIMIT);
buf[PG_SYSLOG_LIMIT] = '\0';
if (strchr(buf, '\n') != NULL)
*strchr(buf, '\n') = '\0';
buflen = strlen(buf);
/* copy one line, or as much as will fit, to buf */
nlpos = strchr(line, '\n');
if (nlpos != NULL)
buflen = nlpos - line;
else
buflen = len;
buflen = Min(buflen, PG_SYSLOG_LIMIT);
memcpy(buf, line, buflen);
buf[buflen] = '\0';
/* trim to multibyte letter boundary */
buflen = pg_mbcliplen(buf, buflen, buflen);