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Improve include guards for format attribute

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Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2021-03-05 15:52:25 +00:00
parent 61d2209e42
commit aa5e132df7
1 changed files with 10 additions and 6 deletions
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16
include/mbedtls/debug.h
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@ -84,18 +84,22 @@
* \def MBEDTLS_PRINTF_ATTRIBUTE
*
* Mark a function as having printf attributes, and thus enable checking
* via -wFormat and other flags. This does nothing in windows builds as the
* windows compiler does not support it.
* via -wFormat and other flags. This does nothing on builds with compilers
* that do not support the format attribute
*
* Module: library/debug.c
* Caller:
*
* This module provides debugging functions.
*/
#if defined(__GNUC__)
#if defined(__has_attribute)
#if __has_attribute(format)
#define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check) \
__attribute__((format (printf, string_index, first_to_check)))
#else
#else /* __has_attribute(format) */
#define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check)
#endif /* __has_attribute(format) */
#else /* defined(__has_attribute) */
#define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check)
#endif
@ -115,10 +119,10 @@
#include <inttypes.h>
#define MBEDTLS_PRINTF_SIZET PRIuPTR
#define MBEDTLS_PRINTF_LONGLONG "I64d"
#else
#else /* defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1800) */
#define MBEDTLS_PRINTF_SIZET "zu"
#define MBEDTLS_PRINTF_LONGLONG "lld"
#endif
#endif /* defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1800) */
#ifdef __cplusplus
extern "C" {