glib/gstrfuncs.h

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GLib Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __G_STRFUNCS_H__
  28 #define __G_STRFUNCS_H__
  29
  30 #include <stdarg.h>
  31 #include <gtypes.h>
  32
  33 G_BEGIN_DECLS
  34
  35 /* String utility functions that modify a string argument or
  36  * return a constant string that must not be freed.
  37  */
  38 #define  G_STR_DELIMITERS       "_-|> <."
  39 gchar*   g_strdelimit           (gchar       *string,
  40                                  const gchar *delimiters,
  41                                  gchar        new_delimiter);
  42 gchar*   g_strcanon             (gchar       *string,
  43                                  const gchar *valid_chars,
  44                                  gchar        subsitutor);
  45 gdouble  g_strtod               (const gchar *nptr,
  46                                  gchar      **endptr);
  47 gchar*   g_strerror             (gint         errnum) G_GNUC_CONST;
  48 gchar*   g_strsignal            (gint         signum) G_GNUC_CONST;
  49 gint     g_strcasecmp           (const gchar *s1,
  50                                  const gchar *s2);
  51 gint     g_strncasecmp          (const gchar *s1,
  52                                  const gchar *s2,
  53                                  guint        n);
  54 gchar*   g_strdown              (gchar       *string);
  55 gchar*   g_strup                (gchar       *string);
  56 gchar*   g_strreverse           (gchar       *string);
  57 gsize    g_strlcpy              (gchar       *dest,
  58                                  const gchar *src,
  59                                  gsize        dest_size);
  60 gsize    g_strlcat              (gchar       *dest,
  61                                  const gchar *src,
  62                                  gsize        dest_size);
  63 /* removes leading spaces */
  64 gchar*   g_strchug              (gchar        *string);
  65 /* removes trailing spaces */
  66 gchar*  g_strchomp              (gchar        *string);
  67 /* removes leading & trailing spaces */
  68 #define g_strstrip( string )    g_strchomp (g_strchug (string))
  69
  70 /* String utility functions that return a newly allocated string which
  71  * ought to be freed with g_free from the caller at some point.
  72  */
  73 gchar*   g_strdup               (const gchar *str);
  74 gchar*   g_strdup_printf        (const gchar *format,
  75                                  ...) G_GNUC_PRINTF (1, 2);
  76 gchar*   g_strdup_vprintf       (const gchar *format,
  77                                  va_list      args);
  78 gchar*   g_strndup              (const gchar *str,
  79                                  guint        n);
  80 gchar*   g_strnfill             (guint        length,
  81                                  gchar        fill_char);
  82 gchar*   g_strconcat            (const gchar *string1,
  83                                  ...); /* NULL terminated */
  84 gchar*   g_strjoin              (const gchar  *separator,
  85                                  ...); /* NULL terminated */
  86 /* Make a copy of a string interpreting C string -style escape
  87  * sequences. Inverse of g_strescape. The recognized sequences are \b
  88  * \f \n \r \t \\ \" and the octal format.
  89  */
  90 gchar*   g_strcompress          (const gchar *source);
  91
  92 /* Copy a string escaping nonprintable characters like in C strings.
  93  * Inverse of g_strcompress. The exceptions parameter, if non-NULL, points
  94  * to a string containing characters that are not to be escaped.
  95  *
  96  * Deprecated API: gchar* g_strescape (const gchar *source);
  97  * Luckily this function wasn't used much, using NULL as second parameter
  98  * provides mostly identical semantics.
  99  */
 100 gchar*   g_strescape            (const gchar *source,
 101                                  const gchar *exceptions);
 102
 103 gpointer g_memdup               (gconstpointer mem,
 104                                  guint         byte_size);
 105
 106 /* NULL terminated string arrays.
 107  * g_strsplit() splits up string into max_tokens tokens at delim and
 108  * returns a newly allocated string array.
 109  * g_strjoinv() concatenates all of str_array's strings, sliding in an
 110  * optional separator, the returned string is newly allocated.
 111  * g_strfreev() frees the array itself and all of its strings.
 112  */
 113 gchar**  g_strsplit             (const gchar  *string,
 114                                  const gchar  *delimiter,
 115                                  gint          max_tokens);
 116 gchar*   g_strjoinv             (const gchar  *separator,
 117                                  gchar       **str_array);
 118 void     g_strfreev             (gchar       **str_array);
 119
 120 G_END_DECLS
 121
 122 #endif /* __G_STRFUNCS_H__ */