X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/e6d87a04919616cf2a6ea6cbda81d5fbc31cc8a2..9f8418e870a70c264eda1598f2d470e5428c216d:/h/utils.h?ds=inline

diff --git a/h/utils.h b/h/utils.h
index 9e515989..9b659501 100644
--- a/h/utils.h
+++ b/h/utils.h
@@ -3,9 +3,27 @@
  * utils.h -- utility prototypes
  */
 
-void *mh_xmalloc(size_t);
-void *mh_xrealloc(void *, size_t);
-void *mh_xcalloc(size_t, size_t);
+/* Call malloc(3), exiting on NULL return. */
+void *mh_xmalloc(size_t size);
+
+/* Call realloc(3), exiting on NULL return. */
+void *mh_xrealloc(void *ptr, size_t size);
+
+/* Call calloc(3), exiting on NULL return. */
+void *mh_xcalloc(size_t nelem, size_t elsize);
+
+/* Duplicate a NUL-terminated string, exit on failure. */
+char *mh_xstrdup(const char *src);
+
+/* Call free(3), if ptr isn't NULL. */
+void mh_xfree(void *ptr);
+
+/* Set p to point to newly allocated, uninitialised, memory. */
+#define NEW(p) ((p) = mh_xmalloc(sizeof *(p)))
+
+/* Set p to point to newly allocated, zeroed, memory. */
+#define NEW0(p) ((p) = mh_xcalloc(1, sizeof *(p)))
+
 char *pwd(void);
 char *add(const char *, char *);
 char *addlist(char *, const char *);