diff options
| -rw-r--r-- | changes/bug5969_022 | 7 | ||||
| -rw-r--r-- | src/common/compat.h | 5 | ||||
| -rw-r--r-- | src/common/util.h | 6 |
3 files changed, 15 insertions, 3 deletions
diff --git a/changes/bug5969_022 b/changes/bug5969_022 new file mode 100644 index 0000000000..57c8744267 --- /dev/null +++ b/changes/bug5969_022 @@ -0,0 +1,7 @@ + o Minor bugfixes + - Fix a build warning with Clang 3.1 related to our use of vasprint. + Fix for bug 5969. Bugfix on 0.2.2.11-alpha. + + o Compilation improvements: + - Tell GCC and Clang to check for any errors in format strings passed + to the tor_v*(print|scan)f functions. diff --git a/src/common/compat.h b/src/common/compat.h index d2f1fd1295..fc70caf50c 100644 --- a/src/common/compat.h +++ b/src/common/compat.h @@ -261,11 +261,12 @@ void tor_munmap_file(tor_mmap_t *handle) ATTR_NONNULL((1)); int tor_snprintf(char *str, size_t size, const char *format, ...) CHECK_PRINTF(3,4) ATTR_NONNULL((1,3)); int tor_vsnprintf(char *str, size_t size, const char *format, va_list args) - ATTR_NONNULL((1,3)); + CHECK_PRINTF(3,0) ATTR_NONNULL((1,3)); int tor_asprintf(char **strp, const char *fmt, ...) CHECK_PRINTF(2,3); -int tor_vasprintf(char **strp, const char *fmt, va_list args); +int tor_vasprintf(char **strp, const char *fmt, va_list args) + CHECK_PRINTF(2,0); const void *tor_memmem(const void *haystack, size_t hlen, const void *needle, size_t nlen) ATTR_PURE ATTR_NONNULL((1,3)); diff --git a/src/common/util.h b/src/common/util.h index b9db25ca73..d4771562ee 100644 --- a/src/common/util.h +++ b/src/common/util.h @@ -211,7 +211,11 @@ const char *escaped(const char *string); struct smartlist_t; void wrap_string(struct smartlist_t *out, const char *string, size_t width, const char *prefix0, const char *prefixRest); -int tor_vsscanf(const char *buf, const char *pattern, va_list ap); +int tor_vsscanf(const char *buf, const char *pattern, va_list ap) +#ifdef __GNUC__ + __attribute__((format(scanf, 2, 0))) +#endif + ; int tor_sscanf(const char *buf, const char *pattern, ...) #ifdef __GNUC__ __attribute__((format(scanf, 2, 3))) |