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Remove support for pre-C89 libc versions that lack memcpy, 

memmove, and memset.
This commit is contained in:
Lasse Collin 2008-05-11 14:24:42 +03:00
parent b09464bf9a
commit ed6664146f
3 changed files with 4 additions and 15 deletions
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2
configure.ac
View File

@ -444,7 +444,7 @@ gl_GETOPT
# Functions that are not mandatory i.e. we have alternatives for them # Functions that are not mandatory i.e. we have alternatives for them
# or we can just drop some functionality: # 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 # 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. # lzma command line tool uses this to automatically limits its memory usage.

13
src/common/sysdefs.h
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@ -132,19 +132,8 @@ typedef unsigned char _Bool;
// Macros // // Macros //
//////////// ////////////
#ifndef HAVE_MEMCPY #undef memzero
# 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) #define memzero(s, n) memset(s, 0, n)
#else
# define memzero(s, n) bzero(s, n)
#endif
#ifndef MIN #ifndef MIN
# define MIN(x, y) ((x) < (y) ? (x) : (y)) # define MIN(x, y) ((x) < (y) ? (x) : (y))

2
src/liblzma/common/allocator.c
View File

@ -35,7 +35,7 @@ lzma_alloc(size_t size, lzma_allocator *allocator)
else else
ptr = malloc(size); ptr = malloc(size);
#if !defined(NDEBUG) && defined(HAVE_MEMSET) #ifndef NDEBUG
// This helps to catch some stupid mistakes, but also hides them from // This helps to catch some stupid mistakes, but also hides them from
// Valgrind. Uncomment when useful. // Valgrind. Uncomment when useful.
// if (ptr != NULL) // if (ptr != NULL)