client/screenshooter: Client for taking screenshots

[src/agl-compositor.git] / shared / xalloc.c

diff --git a/shared/xalloc.c b/shared/xalloc.c
new file mode 100644 (file)
index 0000000..1cc5c12
--- /dev/null
+++ b/shared/xalloc.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright © 2008 Kristian Høgsberg
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "xalloc.h"
+
+void *
+fail_on_null(void *p, size_t size, char *file, int32_t line)
+{
+       if (p == NULL) {
+               fprintf(stderr, "[%s] ", program_invocation_short_name);
+               if (file)
+                       fprintf(stderr, "%s:%d: ", file, line);
+               fprintf(stderr, "out of memory");
+               if (size)
+                       fprintf(stderr, " (%zd)", size);
+               fprintf(stderr, "\n");
+               exit(EXIT_FAILURE);
+       }
+
+       return p;
+}