* **********
*/
+/*
+ * Ensure gmtime_r is available even with -std=c99; must be defined before
+ * config.h, which pulls in glibc's features.h. Harmless on other platforms.
+ */
+#if !defined(_POSIX_C_SOURCE)
+#define _POSIX_C_SOURCE 200112L
+#endif
+
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include "mbedtls/threading.h"
+#if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_PLATFORM_GMTIME_R_ALT)
+
+#if !defined(_WIN32) && (defined(unix) || \
+ defined(__unix) || defined(__unix__) || (defined(__APPLE__) && \
+ defined(__MACH__)))
+#include <unistd.h>
+#endif /* !_WIN32 && (unix || __unix || __unix__ ||
+ * (__APPLE__ && __MACH__)) */
+
+#if !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
+ ( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) && \
+ _POSIX_THREAD_SAFE_FUNCTIONS >= 200112L ) )
+/*
+ * This is a convenience shorthand macro to avoid checking the long
+ * preprocessor conditions above. Ideally, we could expose this macro in
+ * platform_util.h and simply use it in platform_util.c, threading.c and
+ * threading.h. However, this macro is not part of the Mbed TLS public API, so
+ * we keep it private by only defining it in this file
+ */
+
+#if ! ( defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) )
+#define THREADING_USE_GMTIME
+#endif /* ! ( defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) ) */
+
+#endif /* !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
+ ( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) && \
+ _POSIX_THREAD_SAFE_FUNCTIONS >= 200112L ) ) */
+
+#endif /* MBEDTLS_HAVE_TIME_DATE && !MBEDTLS_PLATFORM_GMTIME_R_ALT */
+
#if defined(MBEDTLS_THREADING_PTHREAD)
static void threading_mutex_init_pthread( mbedtls_threading_mutex_t *mutex )
{
#if defined(MBEDTLS_FS_IO)
mbedtls_mutex_init( &mbedtls_threading_readdir_mutex );
#endif
-#if defined(MBEDTLS_HAVE_TIME_DATE)
+#if defined(THREADING_USE_GMTIME)
mbedtls_mutex_init( &mbedtls_threading_gmtime_mutex );
#endif
}
#if defined(MBEDTLS_FS_IO)
mbedtls_mutex_free( &mbedtls_threading_readdir_mutex );
#endif
-#if defined(MBEDTLS_HAVE_TIME_DATE)
+#if defined(THREADING_USE_GMTIME)
mbedtls_mutex_free( &mbedtls_threading_gmtime_mutex );
#endif
}
#if defined(MBEDTLS_FS_IO)
mbedtls_threading_mutex_t mbedtls_threading_readdir_mutex MUTEX_INIT;
#endif
-#if defined(MBEDTLS_HAVE_TIME_DATE)
+#if defined(THREADING_USE_GMTIME)
mbedtls_threading_mutex_t mbedtls_threading_gmtime_mutex MUTEX_INIT;
#endif