Merged jnlib into common.

1 files changed, 87 insertions, 0 deletions

diff --git a/common/xmalloc.c b/common/xmalloc.c
new file mode 100644
index 000000000..eb6d5ab11
--- /dev/null
+++ b/common/xmalloc.c
@@ -0,0 +1,87 @@
+/* xmalloc.c -	standard malloc wrappers
+ *	Copyright (C) 1999, 2000, 2001, 2006 Free Software Foundation, Inc.
+ *
+ * This file is part of JNLIB.
+ *
+ * JNLIB is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * JNLIB 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "libjnlib-config.h"
+#include "xmalloc.h"
+
+static void
+out_of_core(void)
+{
+    fputs("\nfatal: out of memory\n", stderr );
+    exit(2);
+}
+
+
+void *
+xmalloc( size_t n )
+{
+    void *p = malloc( n );
+    if( !p )
+	out_of_core();
+    return p;
+}
+
+void *
+xrealloc( void *a, size_t n )
+{
+    void *p = realloc( a, n );
+    if( !p )
+	out_of_core();
+    return p;
+}
+
+void *
+xcalloc( size_t n, size_t m )
+{
+    void *p = calloc( n, m );
+    if( !p )
+	out_of_core();
+    return p;
+}
+
+char *
+xstrdup( const char *string )
+{
+    void *p = xmalloc( strlen(string)+1 );
+    strcpy( p, string );
+    return p;
+}
+
+
+char *
+xstrcat2( const char *a, const char *b )
+{
+    size_t n1;
+    char *p;
+
+    if( !b )
+	return xstrdup( a );
+
+    n1 = strlen(a);
+    p = xmalloc( n1 + strlen(b) + 1 );
+    memcpy(p, a, n1 );
+    strcpy(p+n1, b );
+    return p;
+}
+