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Strict C99: make sure that fileno() is declared

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<stdio.h> only declares the non-ISO-C function fileno() if an
appropriate POSIX symbol is defined or if using a compiler such as GCC
in non-pedantic mode. Define the appropriate POSIX symbol.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2020-04-14 19:39:56 +02:00
parent 971e5e9f98
commit 5ac979309b
1 changed files with 6 additions and 0 deletions
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6
tests/suites/main_test.function
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@ -19,6 +19,12 @@
* This file is part of Mbed TLS (https://tls.mbed.org)
*/
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#if !defined(_POSIX_C_SOURCE)
#define _POSIX_C_SOURCE 1 // for fileno() from <stdio.h>
#endif
#endif
#if !defined(MBEDTLS_CONFIG_FILE)
#include <mbedtls/config.h>
#else