diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2018-12-26 06:22:47 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2018-12-26 06:22:47 -0800 |
| commit | 06f72bb968a3f0a10d0ed37524075bd6388e2090 (patch) | |
| tree | 433288cdf6b4a61cbe9d2e60b01966284bf153fb | |
| parent | 77703ae4a4fedbea22d80cad77e5a637e164ba76 (diff) | |
| download | nasm-06f72bb968a3f0a10d0ed37524075bd6388e2090.tar.gz | |
Test for the mempcpy() function and add alternative if missing
If memcpy() doesn't exist, then add an inline alternative using
memcpy().
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | include/compiler.h | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 2ab74ed0..e94d8109 100644 --- a/configure.ac +++ b/configure.ac @@ -117,6 +117,7 @@ AC_CHECK_FUNCS(strnlen) AC_CHECK_FUNCS(strrchrnul) AC_CHECK_FUNCS(iscntrl) AC_CHECK_FUNCS(isascii) +AC_CHECK_FUNCS(mempcpy) AC_CHECK_FUNCS(getuid) AC_CHECK_FUNCS(getgid) diff --git a/include/compiler.h b/include/compiler.h index 7a80e2e4..b390bc2d 100644 --- a/include/compiler.h +++ b/include/compiler.h @@ -219,6 +219,13 @@ char *strsep(char **, const char *); size_t strnlen(const char *s, size_t maxlen); #endif +#ifndef HAVE_MEMPCPY +static inline void *mempcpy(void *dst, const void *src, size_t n) +{ + return memcpy(dst, src, n) + n; +} +#endif + /* * Hack to support external-linkage inline functions */ |