text: /* GLIB - Library of useful routines for C programming
   * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the
   * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   * Boston, MA 02111-1307, USA.
   */
  
  /*
   * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
   * file for a list of people on the GLib Team.  See the ChangeLog
   * files for a list of changes.  These files are distributed with
   * GLib at ftp://ftp.gtk.org/pub/gtk/.
   */
  
  #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  #error "Only <glib.h> can be included directly."
  #endif
  
  #ifndef __G_STRFUNCS_H__
  #define __G_STRFUNCS_H__
  
  #include <stdarg.h>
  #include <glib/gmacros.h>
  #include <glib/gtypes.h>
  
  G_BEGIN_DECLS
  
  /* Functions like the ones in <ctype.h> that are not affected by locale. */
  typedef enum {
    G_ASCII_ALNUM  = 1 << 0,
    G_ASCII_ALPHA  = 1 << 1,
    G_ASCII_CNTRL  = 1 << 2,
    G_ASCII_DIGIT  = 1 << 3,
    G_ASCII_GRAPH  = 1 << 4,
    G_ASCII_LOWER  = 1 << 5,
    G_ASCII_PRINT  = 1 << 6,
    G_ASCII_PUNCT  = 1 << 7,
    G_ASCII_SPACE  = 1 << 8,
    G_ASCII_UPPER  = 1 << 9,
    G_ASCII_XDIGIT = 1 << 10
  } GAsciiType;
  
  GLIB_VAR const guint16 * const g_ascii_table;
  
  #define g_ascii_isalnum(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_ALNUM) != 0)
  
  #define g_ascii_isalpha(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_ALPHA) != 0)
  
  #define g_ascii_iscntrl(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_CNTRL) != 0)
  
  #define g_ascii_isdigit(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_DIGIT) != 0)
  
  #define g_ascii_isgraph(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_GRAPH) != 0)
  
  #define g_ascii_islower(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_LOWER) != 0)
  
  #define g_ascii_isprint(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_PRINT) != 0)
  
  #define g_ascii_ispunct(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_PUNCT) != 0)
  
  #define g_ascii_isspace(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_SPACE) != 0)
  
  #define g_ascii_isupper(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_UPPER) != 0)
  
  #define g_ascii_isxdigit(c) \
    ((g_ascii_table[(guchar) (c)] & G_ASCII_XDIGIT) != 0)
  
  gchar                 g_ascii_tolower  (gchar        c) G_GNUC_CONST;
  gchar                 g_ascii_toupper  (gchar        c) G_GNUC_CONST;
  
  gint                  g_ascii_digit_value  (gchar    c) G_GNUC_CONST;
  gint                  g_ascii_xdigit_value (gchar    c) G_GNUC_CONST;
  
  /* String utility functions that modify a string argument or
   * return a constant string that must not be freed.
   */
  #define	 G_STR_DELIMITERS	"_-|> <."
  gchar*	              g_strdelimit     (gchar	     *string,
  					const gchar  *delimiters,
  					gchar	      new_delimiter);
  gchar*	              g_strcanon       (gchar        *string,
  					const gchar  *valid_chars,
  					gchar         substitutor);
  const gchar *         g_strerror       (gint	      errnum) G_GNUC_CONST;
  const gchar *         g_strsignal      (gint	      signum) G_GNUC_CONST;
  gchar *	              g_strreverse     (gchar	     *string);
  gsize	              g_strlcpy	       (gchar	     *dest,
  					const gchar  *src,
  					gsize         dest_size);
  gsize	              g_strlcat        (gchar	     *dest,
  					const gchar  *src,
  					gsize         dest_size);
  gchar *               g_strstr_len     (const gchar  *haystack,
  					gssize        haystack_len,
  					const gchar  *needle);
  gchar *               g_strrstr        (const gchar  *haystack,
  					const gchar  *needle);
  gchar *               g_strrstr_len    (const gchar  *haystack,
  					gssize        haystack_len,
  					const gchar  *needle);
  
  gboolean              g_str_has_suffix (const gchar  *str,
  					const gchar  *suffix);
  gboolean              g_str_has_prefix (const gchar  *str,
  					const gchar  *prefix);
  
  /* String to/from double conversion functions */
  
  gdouble	              g_strtod         (const gchar  *nptr,
  					gchar	    **endptr);
  gdouble	              g_ascii_strtod   (const gchar  *nptr,
  					gchar	    **endptr);
  guint64		      g_ascii_strtoull (const gchar *nptr,
  					gchar      **endptr,
  					guint        base);
  gint64		      g_ascii_strtoll  (const gchar *nptr,
  					gchar      **endptr,
  					guint        base);
  /* 29 bytes should enough for all possible values that
   * g_ascii_dtostr can produce.
   * Then add 10 for good measure */
  #define G_ASCII_DTOSTR_BUF_SIZE (29 + 10)
  gchar *               g_ascii_dtostr   (gchar        *buffer,
  					gint          buf_len,
  					gdouble       d);
  gchar *               g_ascii_formatd  (gchar        *buffer,
  					gint          buf_len,
  					const gchar  *format,
  					gdouble       d);
  
  /* removes leading spaces */
  gchar*                g_strchug        (gchar        *string);
  /* removes trailing spaces */
  gchar*                g_strchomp       (gchar        *string);
  /* removes leading & trailing spaces */
  #define g_strstrip( string )	g_strchomp (g_strchug (string))
  
  gint                  g_ascii_strcasecmp  (const gchar *s1,
  					   const gchar *s2);
  gint                  g_ascii_strncasecmp (const gchar *s1,
  					   const gchar *s2,
  					   gsize        n);
  gchar*                g_ascii_strdown     (const gchar *str,
  					   gssize       len) G_GNUC_MALLOC;
  gchar*                g_ascii_strup       (const gchar *str,
  					   gssize       len) G_GNUC_MALLOC;
  
  
  GLIB_DEPRECATED
  gint                  g_strcasecmp     (const gchar *s1,
                                          const gchar *s2);
  GLIB_DEPRECATED
  gint                  g_strncasecmp    (const gchar *s1,
                                          const gchar *s2,
                                          guint        n);
  GLIB_DEPRECATED
  gchar*                g_strdown        (gchar       *string);
  GLIB_DEPRECATED
  gchar*                g_strup          (gchar       *string);
  
  
  /* String utility functions that return a newly allocated string which
   * ought to be freed with g_free from the caller at some point.
   */
  gchar*	              g_strdup	       (const gchar *str) G_GNUC_MALLOC;
  gchar*	              g_strdup_printf  (const gchar *format,
  					...) G_GNUC_PRINTF (1, 2) G_GNUC_MALLOC;
  gchar*	              g_strdup_vprintf (const gchar *format,
  					va_list      args) G_GNUC_MALLOC;
  gchar*	              g_strndup	       (const gchar *str,
  					gsize        n) G_GNUC_MALLOC;  
  gchar*	              g_strnfill       (gsize        length,  
  					gchar        fill_char) G_GNUC_MALLOC;
  gchar*	              g_strconcat      (const gchar *string1,
  					...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED;
  gchar*                g_strjoin	       (const gchar  *separator,
  					...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED;
  
  /* Make a copy of a string interpreting C string -style escape
   * sequences. Inverse of g_strescape. The recognized sequences are \b
   * \f \n \r \t \\ \" and the octal format.
   */
  gchar*                g_strcompress    (const gchar *source) G_GNUC_MALLOC;
  
  /* Copy a string escaping nonprintable characters like in C strings.
   * Inverse of g_strcompress. The exceptions parameter, if non-NULL, points
   * to a string containing characters that are not to be escaped.
   *
   * Deprecated API: gchar* g_strescape (const gchar *source);
   * Luckily this function wasn't used much, using NULL as second parameter
   * provides mostly identical semantics.
   */
  gchar*                g_strescape      (const gchar *source,
  					const gchar *exceptions) G_GNUC_MALLOC;
  
  gpointer              g_memdup	       (gconstpointer mem,
  					guint	       byte_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(2);
  
  /* NULL terminated string arrays.
   * g_strsplit(), g_strsplit_set() split up string into max_tokens tokens
   * at delim and return a newly allocated string array.
   * g_strjoinv() concatenates all of str_array's strings, sliding in an
   * optional separator, the returned string is newly allocated.
   * g_strfreev() frees the array itself and all of its strings.
   * g_strdupv() copies a NULL-terminated array of strings
   * g_strv_length() returns the length of a NULL-terminated array of strings
   */
  gchar**	              g_strsplit       (const gchar  *string,
  					const gchar  *delimiter,
  					gint          max_tokens) G_GNUC_MALLOC;
  gchar **	      g_strsplit_set   (const gchar *string,
  					const gchar *delimiters,
  					gint         max_tokens) G_GNUC_MALLOC;
  gchar*                g_strjoinv       (const gchar  *separator,
  					gchar       **str_array) G_GNUC_MALLOC;
  void                  g_strfreev       (gchar       **str_array);
  gchar**               g_strdupv        (gchar       **str_array) G_GNUC_MALLOC;
  guint                 g_strv_length    (gchar       **str_array);
  
  gchar*                g_stpcpy         (gchar        *dest,
                                          const char   *src);
  
  G_END_DECLS
  
  #endif /* __G_STRFUNCS_H__ */
  