cppflags.m4: Don't trample CFLAGS and CPPFLAGS.

[nmh] / h / utils.h

diff --git a/h/utils.h b/h/utils.h
index e1cfaedf1a685a8a43ecbb9ccb06f6ba2ceaafcc..19fbdcc6d253675e94f227cbb47c8f35306faa7f 100644 (file)
--- a/h/utils.h
+++ b/h/utils.h
@@ -1,8 +1,15 @@
-
-/*
- * utils.h -- utility prototypes
+/* utils.h -- utility prototypes
  */
 
+/* PLURALS gives a pointer to the string "s" when n isn't 1, and to the
+ * empty string "" when it is.  Suitable for obtaining the plural `s'
+ * used for English nouns.  It treats -1 as plural, as does GNU gettext.
+ * Having output vary for plurals is annoying for those writing parsers;
+ * better to phrase the output such that no test is needed, e.g.
+ * "messages found: 42". */
+extern const char plurals[];
+#define PLURALS(n) (plurals + ((n) == 1))
+
 /* Call malloc(3), exiting on NULL return. */
 void *mh_xmalloc(size_t size);
 
@@ -58,7 +65,6 @@ struct msgnum_array {
 void app_msgarg(struct msgs_array *, char *);
 void app_msgnum(struct msgnum_array *, int);
 
-int open_form(char **, char *);
 char *find_str (const char [], size_t, const char *);
 char *rfind_str (const char [], size_t, const char *);
 char *nmh_strcasestr (const char *, const char *);
@@ -74,18 +80,7 @@ void trim_suffix_c(char *s, int c);
 void to_lower(char *s);
 void to_upper(char *s);
 
-/*
- * See if a string contains 8 bit characters (use isascii() for the test).
- * Arguments include:
- *
- * start       - Pointer to start of string to test.
- * end         - End of string to test (test will stop before reaching
- *               this point).  If NULL, continue until reaching '\0'.
- *
- * This function always stops at '\0' regardless of the value of 'end'.
- * Returns 1 if the string contains an 8-bit character, 0 if it does not.
- */
-int contains8bit(const char *start, const char *end);
+bool contains8bit(const char *start, const char *end);
 
 /*
  * See if file has any 8-bit bytes.
@@ -100,6 +95,29 @@ int contains8bit(const char *start, const char *end);
  */
 int scan_input (int fd, int *eightbit);
 
+/*
+ * Returns string representation of int, in static memory.
+ */
+char *m_str(int value);
+
+/*
+ * Returns string representation of an int, in static memory.  If width
+ * == 0, does not limit the width.  If width > 0 and value will not fit
+ * in field of that size, including any negative sign but excluding
+ * terminating null, then returns "?".
+ */
+char *m_strn(int value, unsigned int width);
+
+/*
+ * program initialization
+ *
+ * argv0        - argv[0], presumably the program name
+ * read_context - 0: don't read context
+ *              - 1: read context, check nmh version, and issue warning message
+ *                   if non-existent or old
+ *              - 2: read context, don't check nmh version
+ */
+int nmh_init(const char *argv0, int read_context);
 
 /*
  * Compares prior version of nmh with current version.  Returns 1