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Instead of testing for __GNUC__, use CHECK_SCANF, like CHECK_PRINTF.

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This lets us have the possibility of fine-tuning the check in the tor_sscanf test cases at a later date.
This commit is contained in:
dana koch 2013-06-13 22:04:01 +10:00 committed by Nick Mathewson
parent 6f5a720d15
commit 7f67becf30
2 changed files with 10 additions and 10 deletions
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8
src/common/compat.h
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@ -84,13 +84,19 @@
/* ===== Compiler compatibility */
/* GCC can check printf types on arbitrary functions. */
/* GCC can check printf and scanf types on arbitrary functions. */
#ifdef __GNUC__
#define CHECK_PRINTF(formatIdx, firstArg) \
__attribute__ ((format(printf, formatIdx, firstArg)))
#else
#define CHECK_PRINTF(formatIdx, firstArg)
#endif
#ifdef __GNUC__
#define CHECK_SCANF(formatIdx, firstArg) \
__attribute__ ((format(scanf, formatIdx, firstArg)))
#else
#define CHECK_SCANF(formatIdx, firstArg)
#endif
/* inline is __inline on windows. */
#ifdef _WIN32

12
src/common/util.h
View File

@ -233,16 +233,10 @@ const char *escaped(const char *string);
char *tor_escape_str_for_socks_arg(const char *string);
struct smartlist_t;
int tor_vsscanf(const char *buf, const char *pattern, va_list ap)
#ifdef __GNUC__
__attribute__((format(scanf, 2, 0)))
#endif
;
int tor_vsscanf(const char *buf, const char *pattern, va_list ap) \
CHECK_SCANF(2, 0);
int tor_sscanf(const char *buf, const char *pattern, ...)
#ifdef __GNUC__
__attribute__((format(scanf, 2, 3)))
#endif
;
CHECK_SCANF(2, 3);
void smartlist_add_asprintf(struct smartlist_t *sl, const char *pattern, ...)
CHECK_PRINTF(2, 3);