1 /* GLIB - Library of useful routines for C programming
2 * Copyright (C) 2003 Matthias Clasen
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 2003. 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 #ifdef HAVE_CONFIG_H
28 # include <config.h>
29 #endif
30 #include <string.h>
31 #include <stdlib.h>
32 #include <stdio.h>
33 #include "gst-printf.h"
34 #include "vasnprintf.h"
35 #include "printf.h"
36
37 #if 0
38 int
39 __gst_printf (char const *format, ...)
40 {
41 va_list args;
42 int retval;
43
44 va_start (args, format);
45 retval = __gst_vprintf (format, args);
46 va_end (args);
47
48 return retval;
49 }
50
51 int
52 __gst_fprintf (FILE * file, char const *format, ...)
53 {
54 va_list args;
55 int retval;
56
57 va_start (args, format);
58 retval = __gst_vfprintf (file, format, args);
59 va_end (args);
60
61 return retval;
62 }
63
64 int
65 __gst_sprintf (char *string, char const *format, ...)
66 {
67 va_list args;
68 int retval;
69
70 va_start (args, format);
71 retval = __gst_vsprintf (string, format, args);
72 va_end (args);
73
74 return retval;
75 }
76
77 int
78 __gst_snprintf (char *string, size_t n, char const *format, ...)
79 {
80 va_list args;
81 int retval;
82
83 va_start (args, format);
84 retval = __gst_vsnprintf (string, n, format, args);
85 va_end (args);
86
87 return retval;
88 }
89
90 int
91 __gst_vprintf (char const *format, va_list args)
92 {
93 return __gst_vfprintf (stdout, format, args);
94 }
95
96 int
97 __gst_vfprintf (FILE * file, char const *format, va_list args)
98 {
99 char *result;
100 size_t length;
101
102 result = vasnprintf (NULL, &length, format, args);
103 if (result == NULL)
104 return -1;
105
106 fwrite (result, 1, length, file);
107 free (result);
108
109 return length;
110 }
111
112 int
113 __gst_vsprintf (char *string, char const *format, va_list args)
114 {
115 char *result;
116 size_t length;
117
118 result = vasnprintf (NULL, &length, format, args);
119 if (result == NULL)
120 return -1;
121
122 memcpy (string, result, length + 1);
123 free (result);
124
125 return length;
126 }
127
128 int
129 __gst_vsnprintf (char *string, size_t n, char const *format, va_list args)
130 {
131 char *result;
132 size_t length;
133
134 result = vasnprintf (NULL, &length, format, args);
135 if (result == NULL)
136 return -1;
137
138 if (n > 0) {
139 memcpy (string, result, MIN (length + 1, n));
140 string[n - 1] = 0;
141 }
142
143 free (result);
144
145 return length;
146 }
147 #endif
148
149 int
__gst_vasprintf(char ** result,char const * format,va_list args)150 __gst_vasprintf (char **result, char const *format, va_list args)
151 {
152 size_t length;
153
154 *result = vasnprintf (NULL, &length, format, args);
155 if (*result == NULL)
156 return -1;
157
158 return length;
159 }
160