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Remove HAVE_MEMSET ifdefs

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memset(3) has been in standard C since C89.  It is also in
POSIX.1-2001, in SVr4, and in 4.3BSD (see memset(3) and memset(3p)).
We can assume that this function is always available.

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
This commit is contained in:
Alejandro Colomar 2021-12-27 20:50:06 +01:00
parent 047bfc47c6
commit b7e12ec04e
2 changed files with 2 additions and 6 deletions
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2
configure.ac
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@ -53,7 +53,7 @@ AC_CHECK_HEADER([shadow.h],,[AC_MSG_ERROR([You need a libc with shadow.h])])
AC_CHECK_FUNCS(arc4random_buf l64a fchmod fchown fsync futimes getgroups \
gethostname getentropy getrandom getspnam gettimeofday getusershell \
getutent initgroups lchown lckpwdf lstat lutimes memset \
getutent initgroups lchown lckpwdf lstat lutimes \
setgroups sigaction strchr updwtmp updwtmpx innetgr getpwnam_r \
getpwuid_r getgrnam_r getgrgid_r getspnam_r getaddrinfo ruserok \
dlopen)

6
lib/defines.h
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@ -111,11 +111,7 @@ char *strchr (), *strrchr (), *strtok ();
# endif
#endif /* not TIME_WITH_SYS_TIME */
#ifdef HAVE_MEMSET
# define memzero(ptr, size) memset((void *)(ptr), 0, (size))
#else
# define memzero(ptr, size) bzero((char *)(ptr), (size))
#endif
#define memzero(ptr, size) memset((void *)(ptr), 0, (size))
#define strzero(s) memzero(s, strlen(s)) /* warning: evaluates twice */
#ifdef HAVE_DIRENT_H /* DIR_SYSV */