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| author | Ran Benita <ran234@gmail.com> | 2012-10-29 01:00:27 +0200 |
|---|---|---|
| committer | Ran Benita <ran234@gmail.com> | 2012-10-29 01:20:04 +0200 |
| commit | 7261f404d201b157dc0ce1ae0386fd74f3a128a7 (patch) | |
| tree | fbd0cf78ce7ace10dc1f79042163be0ab0b3528a /src/context.c | |
| parent | a51ee70419cf492a46020123294c7f708c81070d (diff) | |
| download | xorg-lib-libxkbcommon-7261f404d201b157dc0ce1ae0386fd74f3a128a7.tar.gz | |
state, context: allow passing NULL to *_unref()
For error handling code, it's nice to be able to pass NULL to these
function without worrying about segfaults ensuing. free() sets the
precedent here.
Also document this fact.
Signed-off-by: Ran Benita <ran234@gmail.com>
Diffstat (limited to 'src/context.c')
| -rw-r--r-- | src/context.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/context.c b/src/context.c index 53028a1..a846b8f 100644 --- a/src/context.c +++ b/src/context.c @@ -206,7 +206,7 @@ xkb_context_ref(struct xkb_context *ctx) XKB_EXPORT void xkb_context_unref(struct xkb_context *ctx) { - if (--ctx->refcnt > 0) + if (!ctx || --ctx->refcnt > 0) return; xkb_context_include_path_clear(ctx); |