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Enable explicit_bzero() on OpenBSD

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Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
This commit is contained in:
Tom Cosgrove 2023-03-07 12:51:11 +00:00
parent fe780a3c4b
commit 503d71769c
1 changed files with 4 additions and 3 deletions
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7
library/platform_util.c
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@ -20,9 +20,10 @@
/*
* Ensure gmtime_r is available even with -std=c99; must be defined before
* mbedtls_config.h, which pulls in glibc's features.h. Harmless on other platforms.
* mbedtls_config.h, which pulls in glibc's features.h. Harmless on other platforms
* except OpenBSD, where it stops us accessing explicit_bzero.
*/
#if !defined(_POSIX_C_SOURCE)
#if !defined(_POSIX_C_SOURCE) && !defined(__OpenBSD__)
#define _POSIX_C_SOURCE 200112L
#endif
@ -51,7 +52,7 @@
// Detect platforms known to support explicit_bzero()
#if defined(__GLIBC__) && (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 25)
#define MBEDTLS_PLATFORM_HAS_EXPLICIT_BZERO 1
#elif defined(__FreeBSD__) && (__FreeBSD_version >= 1100037)
#elif (defined(__FreeBSD__) && (__FreeBSD_version >= 1100037)) || defined(__OpenBSD__)
#define MBEDTLS_PLATFORM_HAS_EXPLICIT_BZERO 1
#endif