From ed6664146fcbe9cc4a3b23b31632182ed812ea93 Mon Sep 17 00:00:00 2001 From: Lasse Collin Date: Sun, 11 May 2008 14:24:42 +0300 Subject: [PATCH] Remove support for pre-C89 libc versions that lack memcpy, memmove, and memset. --- configure.ac | 2 +- src/common/sysdefs.h | 15 ++------------- src/liblzma/common/allocator.c | 2 +- 3 files changed, 4 insertions(+), 15 deletions(-) diff --git a/configure.ac b/configure.ac index 3d2abfa6..eae62c2b 100644 --- a/configure.ac +++ b/configure.ac @@ -444,7 +444,7 @@ gl_GETOPT # Functions that are not mandatory i.e. we have alternatives for them # or we can just drop some functionality: -AC_CHECK_FUNCS([memcpy memmove memset futimes futimesat]) +AC_CHECK_FUNCS([futimes futimesat]) # Check how to find out the amount of physical memory in the system. The # lzma command line tool uses this to automatically limits its memory usage. diff --git a/src/common/sysdefs.h b/src/common/sysdefs.h index 8ebe476f..2c7fb6ff 100644 --- a/src/common/sysdefs.h +++ b/src/common/sysdefs.h @@ -132,19 +132,8 @@ typedef unsigned char _Bool; // Macros // //////////// -#ifndef HAVE_MEMCPY -# define memcpy(dest, src, n) bcopy(src, dest, n) -#endif - -#ifndef HAVE_MEMMOVE -# define memmove(dest, src, n) bcopy(src, dest, n) -#endif - -#ifdef HAVE_MEMSET -# define memzero(s, n) memset(s, 0, n) -#else -# define memzero(s, n) bzero(s, n) -#endif +#undef memzero +#define memzero(s, n) memset(s, 0, n) #ifndef MIN # define MIN(x, y) ((x) < (y) ? (x) : (y)) diff --git a/src/liblzma/common/allocator.c b/src/liblzma/common/allocator.c index c5970312..5ced9d16 100644 --- a/src/liblzma/common/allocator.c +++ b/src/liblzma/common/allocator.c @@ -35,7 +35,7 @@ lzma_alloc(size_t size, lzma_allocator *allocator) else ptr = malloc(size); -#if !defined(NDEBUG) && defined(HAVE_MEMSET) +#ifndef NDEBUG // This helps to catch some stupid mistakes, but also hides them from // Valgrind. Uncomment when useful. // if (ptr != NULL)