4 * Copyright (C) 2002,2004 Develer S.r.l. (http://www.develer.com/)
5 * This file is part of DevLib - See devlib/README for information.
8 * \brief sprintf() implementation based on _formatted_write()
11 * \author Bernardo Innocenti <bernie@develer.com>
16 *#* Revision 1.6 2004/11/16 21:15:19 bernie
17 *#* Fix off-by-one bug in [v]snprintf().
19 *#* Revision 1.5 2004/10/03 18:54:36 bernie
20 *#* sprintf(): Fix a serious bug; snprintf(): New function.
22 *#* Revision 1.4 2004/08/25 14:12:09 rasky
23 *#* Aggiornato il comment block dei log RCS
25 *#* Revision 1.3 2004/06/27 15:20:26 aleph
26 *#* Change UNUSED() macro to accept two arguments: type and name;
27 *#* Add macro GNUC_PREREQ to detect GCC version during build;
28 *#* Some spacing cleanups and typo fix
30 *#* Revision 1.2 2004/06/03 11:27:09 bernie
31 *#* Add dual-license information.
33 *#* Revision 1.1 2004/05/23 15:43:16 bernie
34 *#* Import mware modules.
36 *#* Revision 1.4 2004/04/03 20:42:27 aleph
37 *#* Remove duplicated defines
39 *#* Revision 1.3 2004/03/24 15:48:53 bernie
40 *#* Remove Copyright messages from Doxygen output
42 *#* Revision 1.2 2004/03/19 16:51:30 bernie
43 *#* Add PROGMEM kludge.
45 *#* Revision 1.1 2004/02/23 09:45:09 aleph
46 *#* Add missing library functions.
48 *#* Revision 1.1 2003/11/13 16:56:37 aleph
49 *#* Add first implementation of dsp firmware
58 static void __str_put_char(char c, void *ptr)
61 * This Does not work on Code Warrior. Hmm...
62 * *(*((char **)ptr))++ = c;
69 static void __null_put_char(UNUSED(char, c), UNUSED(void *, ptr))
75 int PGM_FUNC(vsprintf)(char * str, const char * PGM_ATTR fmt, va_list ap)
79 result = PGM_FUNC(_formatted_write)(
80 fmt, (str ? __str_put_char : __null_put_char), &str, ap);
82 /* Terminate string */
89 int PGM_FUNC(sprintf)(char *str, const char * fmt, ...)
95 result = PGM_FUNC(vsprintf)(str, fmt, ap);
102 * State information for __sn_put_char()
111 * formatted_write() callback used [v]snprintf().
113 static void __sn_put_char(char c, void *ptr)
115 struct __sn_state *state = (struct __sn_state *)ptr;
125 int PGM_FUNC(vsnprintf)(char *str, size_t size, const char * PGM_ATTR fmt, va_list ap)
129 /* Make room for traling '\0'. */
132 struct __sn_state state;
136 result = PGM_FUNC(_formatted_write)(
137 fmt, (str ? __sn_put_char : __null_put_char), &state, ap);
139 /* Terminate string. */
147 int PGM_FUNC(snprintf)(char *str, size_t size, const char * fmt, ...)
153 result = PGM_FUNC(vsnprintf)(str, size, fmt, ap);