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author Daniel Gustafsson <dgustafsson@postgresql.org>

2025年4月30日 21:00:47 +0000 (23:00 +0200)

committer Daniel Gustafsson <dgustafsson@postgresql.org>

2025年4月30日 21:00:47 +0000 (23:00 +0200)

We try to avoid using strncpy() due to the ease of which it can
be misused. Convert this callsite to use strlcpy() instead to
match similar codepaths in this file.

Suggested-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/2a796830-de2d-4030-b480-d673f6cc5d94@eisentraut.org

src/backend/utils/mmgr/mcxt.c patch | blob | blame | history

diff --git a/src/backend/utils/mmgr/mcxt.c b/src/backend/utils/mmgr/mcxt.c

index 69884701fb4f4c1fe14b12349148d8f57fe52f49..7d28ca706eb559e1ca582f4f76715c3dfb0289b3 100644 (file)

--- a/src/backend/utils/mmgr/mcxt.c

+++ b/src/backend/utils/mmgr/mcxt.c

@@ -1664,8 +1664,7 @@ ProcessGetMemoryContextInterrupt(void)

num_individual_stats = context_id + 1;

meminfo[max_stats - 1].name = dsa_allocate(MemoryStatsDsaArea, namelen + 1);

nameptr = dsa_get_address(MemoryStatsDsaArea, meminfo[max_stats - 1].name);

- strncpy(nameptr, "Remaining Totals", namelen);

- nameptr[namelen] = '0円';

+ strlcpy(nameptr, "Remaining Totals", namelen + 1);

meminfo[max_stats - 1].ident = InvalidDsaPointer;

meminfo[max_stats - 1].path = InvalidDsaPointer;

meminfo[max_stats - 1].type = 0;

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