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Add os_snprintf_error() helper
This can be used to check os_snprintf() return value more consistently.
Signed-off-by: Jouni Malinen <j@w1.fi>
---
src/utils/os.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/utils/os.h b/src/utils/os.h
index b9247d8..77250d6 100644
--- a/src/utils/os.h
+++ b/src/utils/os.h
@@ -549,6 +549,12 @@ char * os_strdup(const char *s);
#endif /* OS_NO_C_LIB_DEFINES */
+static inline int os_snprintf_error(size_t size, int res)
+{
+ return res < 0 || (unsigned int) res >= size;
+}
+
+
static inline void * os_realloc_array(void *ptr, size_t nmemb, size_t size)
{
if (size && nmemb > (~(size_t) 0) / size)
--
2.1.3
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