1 files changed, 147 insertions, 0 deletions
diff --git a/boilerplate/cairo-boilerplate-system.c b/boilerplate/cairo-boilerplate-system.c
new file mode 100644
index 00000000..af076815
--- /dev/null
+++ b/boilerplate/cairo-boilerplate-system.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright © 2004 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Carl D. Worth <cworth@cworth.org>
+ */
+
+#define _GNU_SOURCE 1 /* for vasprintf */
+
+#include "cairo-boilerplate.h"
+#include "cairo-boilerplate-system.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <errno.h>
+
+void *
+xmalloc (size_t size)
+{
+    void *buf;
+
+    if (size == 0)
+	return NULL;
+
+    buf = malloc (size);
+    if (buf == NULL) {
+	CAIRO_BOILERPLATE_LOG ("Error: Out of memory. Exiting.\n");
+	exit (1);
+    }
+
+    return buf;
+}
+
+void *
+xcalloc (size_t nmemb, size_t size)
+{
+    void *buf;
+
+    if (nmemb == 0 || size == 0)
+	return NULL;
+
+    buf = calloc (nmemb, size);
+    if (buf == NULL) {
+	CAIRO_BOILERPLATE_LOG ("Error: Out of memory. Exiting\n");
+	exit (1);
+    }
+
+    return buf;
+}
+
+void *
+xrealloc (void *buf, size_t size)
+{
+    buf = realloc (buf, size);
+    if (buf == NULL && size != 0) {
+	CAIRO_BOILERPLATE_LOG ("Error: Out of memory. Exiting\n");
+	exit (1);
+    }
+
+    return buf;
+}
+
+void
+xasprintf (char **strp, const char *fmt, ...)
+{
+#ifdef HAVE_VASPRINTF
+    va_list va;
+    int ret;
+
+    va_start (va, fmt);
+    ret = vasprintf (strp, fmt, va);
+    va_end (va);
+
+    if (ret < 0) {
+	CAIRO_BOILERPLATE_LOG ("Error: Out of memory. Exiting.\n");
+	exit (1);
+    }
+#else /* !HAVE_VASNPRINTF */
+#define BUF_SIZE 1024
+    va_list va;
+    char buffer[BUF_SIZE];
+    int ret, len;
+
+    va_start (va, fmt);
+    ret = vsnprintf (buffer, sizeof (buffer), fmt, va);
+    va_end (va);
+
+    if (ret < 0) {
+	CAIRO_BOILERPLATE_LOG ("Failure in vsnprintf\n");
+	exit (1);
+    }
+
+    len = (ret + sizeof (int)) & -sizeof (int);
+    *strp = malloc (len);
+    if (*strp == NULL) {
+	CAIRO_BOILERPLATE_LOG ("Out of memory\n");
+	exit (1);
+    }
+
+    if ((unsigned) ret < sizeof (buffer)) {
+	memcpy (*strp, buffer, ret);
+    } else {
+	va_start (va, fmt);
+	ret = vsnprintf (*strp, len, fmt, va);
+	va_end (va);
+
+	if (ret >= len) {
+	    free (*strp);
+	    CAIRO_BOILERPLATE_LOG ("Overflowed dynamic buffer\n");
+	    exit (1);
+	}
+    }
+    memset (*strp + ret, 0, len-ret);
+#endif /* !HAVE_VASNPRINTF */
+}
+
+void
+xunlink (const char *pathname)
+{
+    if (unlink (pathname) < 0 && errno != ENOENT) {
+	CAIRO_BOILERPLATE_LOG ("Error: Cannot remove %s: %s\n",
+			       pathname, strerror (errno));
+	exit (1);
+    }
+}