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-rw-r--r--string/string.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/string/string.h b/string/string.h
index 3b6c5e969b..7dbcc41c22 100644
--- a/string/string.h
+++ b/string/string.h
@@ -107,8 +107,11 @@ extern char *strndup __P ((__const char *__string, size_t __n));
#define strndupa(s, n) \
({ \
__const char *__old = (s); \
- size_t __len = strnlen (__old) + 1; \
- memcpy (__builtin_alloca (__len), __old, __len); \
+ char *__new; \
+ size_t __len = strnlen (__old); \
+ __new = memcpy (__builtin_alloca (__len + 1), __old, __len); \
+ __new[__len] = '\0'; \
+ __new; \
})
#endif