summaryrefslogtreecommitdiff
path: root/libc/stdlib/malloc-930716
diff options
context:
space:
mode:
Diffstat (limited to 'libc/stdlib/malloc-930716')
-rw-r--r--libc/stdlib/malloc-930716/Makefile9
-rw-r--r--libc/stdlib/malloc-930716/calloc.c49
2 files changed, 33 insertions, 25 deletions
diff --git a/libc/stdlib/malloc-930716/Makefile b/libc/stdlib/malloc-930716/Makefile
index b9dfea9f2..07dc94898 100644
--- a/libc/stdlib/malloc-930716/Makefile
+++ b/libc/stdlib/malloc-930716/Makefile
@@ -26,10 +26,7 @@ include $(TOPDIR)Rules.mak
CSRC=calloc.c malloc.c
COBJS=$(patsubst %.c,%.o, $(CSRC))
-
-MSRC=../malloc/alloc.c
-MOBJ=#malloc_dbg.o free_dbg.o calloc_dbg.o
-OBJS=$(COBJS) $(MOBJ)
+OBJS=$(COBJS)
all: $(OBJS) $(LIBC)
@@ -38,10 +35,6 @@ $(LIBC): ar-target
ar-target: $(OBJS)
$(AR) $(ARFLAGS) $(LIBC) $(OBJS)
-$(MOBJ): $(MSRC)
- $(CC) $(CFLAGS) -DL_$* $< -c -o $*.o
- $(STRIPTOOL) -x -R .note -R .comment $*.o
-
$(COBJS): %.o : %.c
$(CC) $(CFLAGS) -c $< -o $@
$(STRIPTOOL) -x -R .note -R .comment $*.o
diff --git a/libc/stdlib/malloc-930716/calloc.c b/libc/stdlib/malloc-930716/calloc.c
index 55d22ac11..e97db496d 100644
--- a/libc/stdlib/malloc-930716/calloc.c
+++ b/libc/stdlib/malloc-930716/calloc.c
@@ -1,24 +1,39 @@
-/* calloc.c - C standard library routine.
- Copyright (c) 1989, 1993 Michael J. Haertel
- You may redistribute this library under the terms of the
- GNU Library General Public License (version 2 or any later
- version) as published by the Free Software Foundation.
- THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED
- WARRANTY. IN PARTICULAR, THE AUTHOR MAKES NO REPRESENTATION OR
- WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS
- SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. */
+/* vi: set sw=4 ts=4: */
+/* calloc for uClibc
+ *
+ * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
-/* Allocate space for the given number of elements of the given
- size, initializing the whole region to binary zeroes. */
-void * calloc(size_t nelem, size_t size)
+void * calloc(size_t nmemb, size_t lsize)
{
- void *result;
+ void *result;
+ size_t size=lsize * nmemb;
- result = malloc(size * nelem);
- if (result)
- memset(result, 0, nelem * size);
- return result;
+ /* guard vs integer overflow */
+ if (lsize != (size / nmemb)) {
+ __set_errno(ENOMEM);
+ return NULL;
+ }
+ if ((result=malloc(size))) {
+ memset(result, 0, size);
+ }
+ return result;
}