X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/7111aba92b83fff6b0ac8637dd1f6e2fa287ac8c..fd81cbc07820f5b838cd320a8846cf0c3ec6a0a8:/h/utils.h?ds=inline

diff --git a/h/utils.h b/h/utils.h
index 00249be4..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 *);
@@ -58,6 +76,20 @@ char *nmh_strcasestr (const char *, const char *);
  */
 int contains8bit(const char *start, const char *end);
 
+/*
+ * See if file has any 8-bit bytes.
+ * Arguments include:
+ *
+ * fd    	- file descriptor
+ * eightbit	- address of result, will be set to 1 if the file contains
+ *                any 8-bit bytes, 0 otherwise.
+ *
+ * Returns OK on success, NOTOK on read failure.
+ *
+ */
+int scan_input (int fd, int *eightbit);
+
+
 /*
  * Compares prior version of nmh with current version.  Returns 1
  * if they compare the be the same, 0 if not.