* utils.c (xmalloc,xcalloc,xstrdup): New fns.

	* server.h (ATTR_MALLOC): New macro.
	(xmalloc,xcalloc,xstrdup): Declare.
	* hostio.c: Replace malloc,calloc,strdup with xmalloc,xcalloc,xstrdup.
	* inferiors.c: Ditto.
	* linux-low.c: Ditto.
	* mem-break.c: Ditto.
	* regcache.c: Ditto.
	* remote-utils.c: Ditto.
	* server.c: Ditto.
	* target.c: Ditto.
	* win32-low.c: Ditto.

1 files changed, 57 insertions, 0 deletions

diff --git a/gdb/gdbserver/utils.c b/gdb/gdbserver/utils.c
index 88cc1e0..e45542a 100644
--- a/gdb/gdbserver/utils.c
+++ b/gdb/gdbserver/utils.c
@@ -30,6 +30,63 @@
 
 /* Generally useful subroutines used throughout the program.  */
 
+static void malloc_failure (size_t size) ATTR_NORETURN;
+
+static void
+malloc_failure (size_t size)
+{
+  fprintf (stderr, "gdbserver: ran out of memory while trying to allocate %lu bytes\n",
+	   (unsigned long) size);
+  exit (1);
+}
+
+/* Allocate memory without fail.
+   If malloc fails, this will print a message to stderr and exit.  */
+
+void *
+xmalloc (size_t size)
+{
+  void *newmem;
+
+  if (size == 0)
+    size = 1;
+  newmem = malloc (size);
+  if (!newmem)
+    malloc_failure (size);
+
+  return newmem;
+}
+
+/* Allocate memory without fail and set it to zero.
+   If malloc fails, this will print a message to stderr and exit.  */
+
+void *
+xcalloc (size_t nelem, size_t elsize)
+{
+  void *newmem;
+
+  if (nelem == 0 || elsize == 0)
+    nelem = elsize = 1;
+
+  newmem = calloc (nelem, elsize);
+  if (!newmem)
+    malloc_failure (nelem * elsize);
+
+  return newmem;
+}
+
+/* Copy a string into a memory buffer.
+   If malloc fails, this will print a message to stderr and exit.  */
+
+char *
+xstrdup (const char *s)
+{
+  char *ret = strdup (s);
+  if (ret == NULL)
+    malloc_failure (strlen (s) + 1);
+  return ret;
+}
+
 /* Print the system error message for errno, and also mention STRING
    as the file name for which the error was encountered.
    Then return to command level.  */