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| author | Dmitry V. Levin <ldv@strace.io> | 2023-12-14 08:00:00 +0000 |
|---|---|---|
| committer | Dmitry V. Levin <ldv@strace.io> | 2023-12-14 08:00:00 +0000 |
| commit | 954234f0a477636eab751a6601d34bab1db41b0e (patch) | |
| tree | 83403cf711c78b112e2738eb82b35d801cce18ee /doc | |
| parent | 297f0b554e497e95c891fd6a77f7ac5591649f26 (diff) | |
| download | pam-954234f0a477636eab751a6601d34bab1db41b0e.tar.gz pam-954234f0a477636eab751a6601d34bab1db41b0e.tar.bz2 pam-954234f0a477636eab751a6601d34bab1db41b0e.zip | |
treewide: assume free(NULL) is no-op
The C standard guarantees that if the argument of free() is a null
pointer, no action occurs.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/specs/parse_y.y | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/doc/specs/parse_y.y b/doc/specs/parse_y.y index b195f5d3..96809cd2 100644 --- a/doc/specs/parse_y.y +++ b/doc/specs/parse_y.y @@ -282,9 +282,7 @@ char *new_counter(const char *key) counter_root = set_key(counter_root, key, new); - if (last_label) { - free(last_label); - } + free(last_label); last_label = strdup(new); return new; |