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-rw-r--r--configure.ac2
-rw-r--r--src/common/sysdefs.h15
-rw-r--r--src/liblzma/common/allocator.c2
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)