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| author | Mattias Andrée <maandree@kth.se> | 2021-03-08 00:21:02 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2021-03-08 00:21:02 +0100 |
| commit | b058098fdcc5d4ed9b81fdb17f64820c0360ad48 (patch) | |
| tree | e39e5f547b900922775d466507c29b352f046a53 /libgamma_value_of_connector_type.c | |
| parent | misc (diff) | |
| download | libgamma-b058098fdcc5d4ed9b81fdb17f64820c0360ad48.tar.gz libgamma-b058098fdcc5d4ed9b81fdb17f64820c0360ad48.tar.bz2 libgamma-b058098fdcc5d4ed9b81fdb17f64820c0360ad48.tar.xz | |
m + style fix + check memory allocation overflows
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libgamma_value_of_connector_type.c')
| -rw-r--r-- | libgamma_value_of_connector_type.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/libgamma_value_of_connector_type.c b/libgamma_value_of_connector_type.c index 249422e..395aed0 100644 --- a/libgamma_value_of_connector_type.c +++ b/libgamma_value_of_connector_type.c @@ -7,22 +7,27 @@ * * @param connector The name of the connector type, for example * "VGA" or "LIBGAMMA_CONNECTOR_TYPE_VGA" - * @return The connector type; for example `LIBGAMMA_CONNECTOR_TYPE_VGA` - * for "VGA" and "LIBGAMMA_CONNECTOR_TYPE_VGA"; - * `LIBGAMMA_CONNECTOR_TYPE_NOT_RECOGNISED` of not defined + * @param out Output parameter for the connector type, only set on success; + * for example `LIBGAMMA_CONNECTOR_TYPE_VGA` for "VGA" and + * "LIBGAMMA_CONNECTOR_TYPE_VGA"; + * @return Zero on success, `LIBGAMMA_CONNECTOR_TYPE_NOT_RECOGNISED` of not defined */ int -libgamma_value_of_connector_type(const char *connector) +libgamma_value_of_connector_type(const char *connector, enum libgamma_connector_type *out) { #define X(CONST, NAME, ...)\ - if (!strcmp(connector, NAME))\ - return CONST; + if (!strcmp(connector, NAME)) {\ + *out = CONST;\ + return 0;\ + } LIST_CONNECTOR_TYPES(X) #undef X #define X(CONST, ...)\ - if (!strcmp(connector, #CONST))\ - return CONST; + if (!strcmp(connector, #CONST)) {\ + *out = CONST;\ + return 0;\ + } LIST_CONNECTOR_TYPES(X) #undef X |