afh: Print help if no arguments are given.

[paraslash.git] / string.h

diff --git a/string.h b/string.h
index d45c9199822d993ab2594877a6cd45914a902f15..aa8292fdf4ec1f076294842e1b6cb02dbc4f23a6 100644 (file)
--- a/string.h
+++ b/string.h
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2006-2013 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006 Andre Noll <maan@tuebingen.mpg.de>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
-/** \file string.h exported sybmols from string.c */
+/** \file string.h exported symbols from string.c */
 
 /** Flags that change how content is printed into the buffer. */
 enum para_buffer_flags {
@@ -34,6 +34,23 @@ struct para_buffer {
        void *private_data;
 };
 
+/**
+ * Controls the behavior of for_each_line().
+ *
+ * \sa for_each_line().
+ */
+enum for_each_line_flags {
+       /** Activate read-only mode. */
+       FELF_READ_ONLY = 1 << 0,
+       /** Don't call line handler for the first input line. */
+       FELF_DISCARD_FIRST = 1 << 1,
+};
+
+/** Used for \ref for_each_line(). */
+typedef int line_handler_t(char *, void *);
+int for_each_line(unsigned flags, char *buf, size_t size,
+               line_handler_t *line_handler, void *private_data);
+
 /**
   * Write the contents of a status item to a para_buffer.
   *
@@ -45,14 +62,12 @@ struct para_buffer {
   */
 #define WRITE_STATUS_ITEM(b, n, f, ...) (\
 { \
-       int _ret; \
        if ((b)->flags & PBF_SIZE_PREFIX) { \
-               _ret = para_printf((b), "%02x:" f, n, ## __VA_ARGS__); \
+               para_printf((b), "%02x:" f, n, ## __VA_ARGS__); \
        } else { \
-               _ret = para_printf((b), "%s: " f, status_item_list[(n)], \
+               para_printf((b), "%s: " f, status_item_list[(n)], \
                        ## __VA_ARGS__); \
        } \
-       _ret; \
 } \
 )
 
@@ -67,17 +82,10 @@ __must_check __malloc __printf_1_2 char *make_message(const char *fmt, ...);
 __must_check __malloc char *para_strcat(char *a, const char *b);
 __must_check __malloc char *para_dirname(const char *name);
 __must_check char *para_basename(const char *name);
-void chop(char *buf);
 __must_check __malloc char *para_logname(void);
 __must_check __malloc char *para_homedir(void);
 __malloc char *para_hostname(void);
 __printf_2_3 int para_printf(struct para_buffer *b, const char *fmt, ...);
-/** Used for for_each_line() and for_each_line_ro(). */
-typedef int line_handler_t(char *, void *);
-int for_each_line(char *buf, size_t size, line_handler_t *line_handler,
-       void *private_data);
-int for_each_line_ro(char *buf, size_t size, line_handler_t *line_handler,
-       void *private_data);
 int para_atoi64(const char *str, int64_t *result);
 int para_atoi32(const char *str, int32_t *value);
 int get_loglevel_by_name(const char *txt);
@@ -93,3 +101,5 @@ char *safe_strdup(const char *src, size_t len);
 char *key_value_copy(const char *src, size_t len, const char *key);
 int skip_cells(const char *s, size_t cells_to_skip, size_t *result);
 __must_check int strwidth(const char *s, size_t *result);
+__must_check int sanitize_str(const char *src, size_t max_width,
+               char **result, size_t *width);