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s/NULL byte/NUL byte/ in comment refering to C string terminator.

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Reported-By: Robert Haas
Discussion: https://postgr.es/m/CA+Tgmoa+YBvWgFST2NVoeXjVSohEpK=vqnVCsoCkhTVVxfLcVQ@mail.gmail.com
This commit is contained in:
Andres Freund 2017-09-19 16:39:18 -07:00
parent f41e56c76e
commit 896537f078
1 changed files with 5 additions and 5 deletions
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10
src/backend/postmaster/pgstat.c
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@ -6297,14 +6297,14 @@ pgstat_clip_activity(const char *raw_activity)
/*
* Some callers, like pgstat_get_backend_current_activity(), do not
* guarantee that the buffer isn't concurrently modified. We try to take
* care that the buffer is always terminated by a NULL byte regardless,
* but let's still be paranoid about the string's length. In those cases
* the underlying buffer is guaranteed to be
* pgstat_track_activity_query_size large.
* care that the buffer is always terminated by a NUL byte regardless, but
* let's still be paranoid about the string's length. In those cases the
* underlying buffer is guaranteed to be pgstat_track_activity_query_size
* large.
*/
activity = pnstrdup(raw_activity, pgstat_track_activity_query_size - 1);
/* now double-guaranteed to be NULL terminated */
/* now double-guaranteed to be NUL terminated */
rawlen = strlen(activity);
/*