glib-unix: add function to ensure an fd is sealed
[platform/upstream/glib.git] / glib / gstring.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, see <http://www.gnu.org/licenses/>.
16  */
17
18 /*
19  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
20  * file for a list of people on the GLib Team.  See the ChangeLog
21  * files for a list of changes.  These files are distributed with
22  * GLib at ftp://ftp.gtk.org/pub/gtk/.
23  */
24
25 #ifndef __G_STRING_H__
26 #define __G_STRING_H__
27
28 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
29 #error "Only <glib.h> can be included directly."
30 #endif
31
32 #include <glib/gtypes.h>
33 #include <glib/gunicode.h>
34 #include <glib/gbytes.h>
35 #include <glib/gutils.h>  /* for G_CAN_INLINE */
36
37 G_BEGIN_DECLS
38
39 typedef struct _GString         GString;
40
41 struct _GString
42 {
43   gchar  *str;
44   gsize len;
45   gsize allocated_len;
46 };
47
48 GLIB_AVAILABLE_IN_ALL
49 GString*     g_string_new               (const gchar     *init);
50 GLIB_AVAILABLE_IN_ALL
51 GString*     g_string_new_len           (const gchar     *init,
52                                          gssize           len);
53 GLIB_AVAILABLE_IN_ALL
54 GString*     g_string_sized_new         (gsize            dfl_size);
55 GLIB_AVAILABLE_IN_ALL
56 gchar*       g_string_free              (GString         *string,
57                                          gboolean         free_segment);
58 GLIB_AVAILABLE_IN_2_34
59 GBytes*      g_string_free_to_bytes     (GString         *string);
60 GLIB_AVAILABLE_IN_ALL
61 gboolean     g_string_equal             (const GString   *v,
62                                          const GString   *v2);
63 GLIB_AVAILABLE_IN_ALL
64 guint        g_string_hash              (const GString   *str);
65 GLIB_AVAILABLE_IN_ALL
66 GString*     g_string_assign            (GString         *string,
67                                          const gchar     *rval);
68 GLIB_AVAILABLE_IN_ALL
69 GString*     g_string_truncate          (GString         *string,
70                                          gsize            len);
71 GLIB_AVAILABLE_IN_ALL
72 GString*     g_string_set_size          (GString         *string,
73                                          gsize            len);
74 GLIB_AVAILABLE_IN_ALL
75 GString*     g_string_insert_len        (GString         *string,
76                                          gssize           pos,
77                                          const gchar     *val,
78                                          gssize           len);
79 GLIB_AVAILABLE_IN_ALL
80 GString*     g_string_append            (GString         *string,
81                                          const gchar     *val);
82 GLIB_AVAILABLE_IN_ALL
83 GString*     g_string_append_len        (GString         *string,
84                                          const gchar     *val,
85                                          gssize           len);
86 GLIB_AVAILABLE_IN_ALL
87 GString*     g_string_append_c          (GString         *string,
88                                          gchar            c);
89 GLIB_AVAILABLE_IN_ALL
90 GString*     g_string_append_unichar    (GString         *string,
91                                          gunichar         wc);
92 GLIB_AVAILABLE_IN_ALL
93 GString*     g_string_prepend           (GString         *string,
94                                          const gchar     *val);
95 GLIB_AVAILABLE_IN_ALL
96 GString*     g_string_prepend_c         (GString         *string,
97                                          gchar            c);
98 GLIB_AVAILABLE_IN_ALL
99 GString*     g_string_prepend_unichar   (GString         *string,
100                                          gunichar         wc);
101 GLIB_AVAILABLE_IN_ALL
102 GString*     g_string_prepend_len       (GString         *string,
103                                          const gchar     *val,
104                                          gssize           len);
105 GLIB_AVAILABLE_IN_ALL
106 GString*     g_string_insert            (GString         *string,
107                                          gssize           pos,
108                                          const gchar     *val);
109 GLIB_AVAILABLE_IN_ALL
110 GString*     g_string_insert_c          (GString         *string,
111                                          gssize           pos,
112                                          gchar            c);
113 GLIB_AVAILABLE_IN_ALL
114 GString*     g_string_insert_unichar    (GString         *string,
115                                          gssize           pos,
116                                          gunichar         wc);
117 GLIB_AVAILABLE_IN_ALL
118 GString*     g_string_overwrite         (GString         *string,
119                                          gsize            pos,
120                                          const gchar     *val);
121 GLIB_AVAILABLE_IN_ALL
122 GString*     g_string_overwrite_len     (GString         *string,
123                                          gsize            pos,
124                                          const gchar     *val,
125                                          gssize           len);
126 GLIB_AVAILABLE_IN_ALL
127 GString*     g_string_erase             (GString         *string,
128                                          gssize           pos,
129                                          gssize           len);
130 GLIB_AVAILABLE_IN_ALL
131 GString*     g_string_ascii_down        (GString         *string);
132 GLIB_AVAILABLE_IN_ALL
133 GString*     g_string_ascii_up          (GString         *string);
134 GLIB_AVAILABLE_IN_ALL
135 void         g_string_vprintf           (GString         *string,
136                                          const gchar     *format,
137                                          va_list          args)
138                                          G_GNUC_PRINTF(2, 0);
139 GLIB_AVAILABLE_IN_ALL
140 void         g_string_printf            (GString         *string,
141                                          const gchar     *format,
142                                          ...) G_GNUC_PRINTF (2, 3);
143 GLIB_AVAILABLE_IN_ALL
144 void         g_string_append_vprintf    (GString         *string,
145                                          const gchar     *format,
146                                          va_list          args)
147                                          G_GNUC_PRINTF(2, 0);
148 GLIB_AVAILABLE_IN_ALL
149 void         g_string_append_printf     (GString         *string,
150                                          const gchar     *format,
151                                          ...) G_GNUC_PRINTF (2, 3);
152 GLIB_AVAILABLE_IN_ALL
153 GString*     g_string_append_uri_escaped (GString         *string,
154                                           const gchar     *unescaped,
155                                           const gchar     *reserved_chars_allowed,
156                                           gboolean         allow_utf8);
157
158 /* -- optimize g_strig_append_c --- */
159 #ifdef G_CAN_INLINE
160 static inline GString*
161 g_string_append_c_inline (GString *gstring,
162                           gchar    c)
163 {
164   if (gstring->len + 1 < gstring->allocated_len)
165     {
166       gstring->str[gstring->len++] = c;
167       gstring->str[gstring->len] = 0;
168     }
169   else
170     g_string_insert_c (gstring, -1, c);
171   return gstring;
172 }
173 #define g_string_append_c(gstr,c)       g_string_append_c_inline (gstr, c)
174 #endif /* G_CAN_INLINE */
175
176
177 GLIB_DEPRECATED
178 GString *g_string_down (GString *string);
179 GLIB_DEPRECATED
180 GString *g_string_up   (GString *string);
181
182 #ifndef G_DISABLE_DEPRECATED
183 #define  g_string_sprintf  g_string_printf
184 #define  g_string_sprintfa g_string_append_printf
185 #endif
186
187 G_END_DECLS
188
189 #endif /* __G_STRING_H__ */