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