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Diffstat (limited to 'db2/os/os_alloc.c')
-rw-r--r--db2/os/os_alloc.c44
1 files changed, 38 insertions, 6 deletions
diff --git a/db2/os/os_alloc.c b/db2/os/os_alloc.c
index 27abffbf0d..35784476c0 100644
--- a/db2/os/os_alloc.c
+++ b/db2/os/os_alloc.c
@@ -1,26 +1,46 @@
 /*-
  * See the file LICENSE for redistribution information.
  *
- * Copyright (c) 1997
+ * Copyright (c) 1997, 1998
  *	Sleepycat Software.  All rights reserved.
  */
 
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)os_alloc.c	10.1 (Sleepycat) 12/1/97";
+static const char sccsid[] = "@(#)os_alloc.c	10.6 (Sleepycat) 5/2/98";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
 #include <sys/types.h>
 
-#include <errno.h>
 #include <string.h>
 #endif
 
 #include "db_int.h"
 
 /*
+ * __db_strdup --
+ *	The strdup(3) function for DB.
+ *
+ * PUBLIC: char *__db_strdup __P((const char *));
+ */
+char *
+__db_strdup(str)
+	const char *str;
+{
+	size_t len;
+	char *copy;
+
+	len = strlen(str) + 1;
+	if ((copy = __db_malloc(len)) == NULL)
+		return (NULL);
+
+	memcpy(copy, str, len);
+	return (copy);
+}
+
+/*
  * XXX
  * Correct for systems that return NULL when you allocate 0 bytes of memory.
  * There are several places in DB where we allocate the number of bytes held
@@ -28,6 +48,10 @@ static const char sccsid[] = "@(#)os_alloc.c	10.1 (Sleepycat) 12/1/97";
  * returns a NULL for that reason (which behavior is permitted by ANSI).  We
  * could make these calls macros on non-Alpha architectures (that's where we
  * saw the problem), but it's probably not worth the autoconf complexity.
+ *
+ *	Out of memory.
+ *	We wish to hold the whole sky,
+ *	But we never will.
  */
 /*
  * __db_calloc --
@@ -42,7 +66,7 @@ __db_calloc(num, size)
 	void *p;
 
 	size *= num;
-	if ((p = __db_jump.db_malloc(size == 0 ? 1 : size)) != NULL)
+	if ((p = __db_jump.j_malloc(size == 0 ? 1 : size)) != NULL)
 		memset(p, 0, size);
 	return (p);
 }
@@ -57,7 +81,15 @@ void *
 __db_malloc(size)
 	size_t size;
 {
-	return (__db_jump.db_malloc(size == 0 ? 1 : size));
+#ifdef DIAGNOSTIC
+	void *p;
+
+	p = __db_jump.j_malloc(size == 0 ? 1 : size);
+	memset(p, 0xff, size == 0 ? 1 : size);
+	return (p);
+#else
+	return (__db_jump.j_malloc(size == 0 ? 1 : size));
+#endif
 }
 
 /*
@@ -71,5 +103,5 @@ __db_realloc(ptr, size)
 	void *ptr;
 	size_t size;
 {
-	return (__db_jump.db_realloc(ptr, size == 0 ? 1 : size));
+	return (__db_jump.j_realloc(ptr, size == 0 ? 1 : size));
 }