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Avoid use of non-portable strnlen() in pgstat_clip_activity().

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The use of strnlen rather than strlen was just paranoia. Instead of
giving up on the paranoia, just implement the safeguard
differently. And add a comment explaining why we're careful.

Author: Andres Freund
Discussion: https://postgr.es/m/E1duOkJ-0001Mc-U5@gemulon.postgresql.org
This commit is contained in:
Andres Freund
2017-09-19 14:17:20 -07:00
parent 54b6cd589a
commit 71edbb6f66
2 changed files with 22 additions and 5 deletions
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2
src/include/pgstat.h
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@ -1199,7 +1199,7 @@ extern PgStat_BackendFunctionEntry *find_funcstat_entry(Oid func_id);
extern void pgstat_initstats(Relation rel);
extern char *pgstat_clip_activity(const char *activity);
extern char *pgstat_clip_activity(const char *raw_activity);
/* ----------
* pgstat_report_wait_start() -