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patch 8.0.0241: fallback implementation of mch_memmove is unused

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Problem:    Vim defines a mch_memmove() function but it doesn't work, thus is
            always unused.
Solution:   Remove the mch_memmove implementation. (suggested by Dominique
            Pelle)
This commit is contained in:
Bram Moolenaar
2017-01-26 21:36:34 +01:00
parent 4f7090b93d
commit 52c0de1de1
4 changed files with 8 additions and 45 deletions
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12
src/os_unix.h
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@@ -423,21 +423,17 @@ typedef struct dsc$descriptor DESC;
# endif
#endif
/* memmove is not present on all systems, use memmove, bcopy, memcpy or our
* own version */
/* Some systems have (void *) arguments, some (char *). If we use (char *) it
/* memmove() is not present on all systems, use memmove, bcopy or memcpy.
* Some systems have (void *) arguments, some (char *). If we use (char *) it
* works for all */
#ifdef USEMEMMOVE
#if defined(USEMEMMOVE) || (!defined(USEBCOPY) && !defined(USEMEMCPY))
# define mch_memmove(to, from, len) memmove((char *)(to), (char *)(from), len)
#else
# ifdef USEBCOPY
# define mch_memmove(to, from, len) bcopy((char *)(from), (char *)(to), len)
# else
# ifdef USEMEMCPY
/* ifdef USEMEMCPY */
# define mch_memmove(to, from, len) memcpy((char *)(to), (char *)(from), len)
# else
# define VIM_MEMMOVE /* found in misc2.c */
# endif
# endif
#endif