4 * Copyright 2002, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
5 * This file is part of DevLib - See README.devlib for information.
8 * \brief sprintf() implementation based on _formatted_write()
11 * \author Bernardo Innocenti <bernie@develer.com>
16 *#* Revision 1.9 2005/02/18 12:48:01 bernie
17 *#* Fix bug with NULL buffers (caught with unit test).
19 *#* Revision 1.8 2005/02/18 12:34:29 bernie
20 *#* Include <mware/pgm.h> explicitly for non-Harvard archs.
22 *#* Revision 1.7 2004/12/31 17:47:45 bernie
23 *#* Rename UNUSED() to UNUSED_ARG().
25 *#* Revision 1.6 2004/11/16 21:15:19 bernie
26 *#* Fix off-by-one bug in [v]snprintf().
28 *#* Revision 1.5 2004/10/03 18:54:36 bernie
29 *#* sprintf(): Fix a serious bug; snprintf(): New function.
31 *#* Revision 1.4 2004/08/25 14:12:09 rasky
32 *#* Aggiornato il comment block dei log RCS
34 *#* Revision 1.3 2004/06/27 15:20:26 aleph
35 *#* Change UNUSED() macro to accept two arguments: type and name;
36 *#* Add macro GNUC_PREREQ to detect GCC version during build;
37 *#* Some spacing cleanups and typo fix
39 *#* Revision 1.2 2004/06/03 11:27:09 bernie
40 *#* Add dual-license information.
43 #include <mware/formatwr.h>
44 #include <mware/pgm.h>
50 static void __str_put_char(char c, void *ptr)
53 * This Does not work on Code Warrior. Hmm...
54 * *(*((char **)ptr))++ = c;
61 static void __null_put_char(UNUSED_ARG(char, c), UNUSED_ARG(void *, ptr))
67 int PGM_FUNC(vsprintf)(char *str, const char * PGM_ATTR fmt, va_list ap)
73 result = PGM_FUNC(_formatted_write)(fmt, __str_put_char, &str, ap);
75 /* Terminate string */
79 result = PGM_FUNC(_formatted_write)(fmt, __null_put_char, 0, ap);
86 int PGM_FUNC(sprintf)(char *str, const char * fmt, ...)
92 result = PGM_FUNC(vsprintf)(str, fmt, ap);
99 * State information for __sn_put_char()
108 * formatted_write() callback used [v]snprintf().
110 static void __sn_put_char(char c, void *ptr)
112 struct __sn_state *state = (struct __sn_state *)ptr;
122 int PGM_FUNC(vsnprintf)(char *str, size_t size, const char * PGM_ATTR fmt, va_list ap)
126 /* Make room for traling '\0'. */
131 struct __sn_state state;
135 result = PGM_FUNC(_formatted_write)(fmt, __sn_put_char, &state, ap);
137 /* Terminate string. */
141 result = PGM_FUNC(_formatted_write)(fmt, __null_put_char, 0, ap);
148 int PGM_FUNC(snprintf)(char *str, size_t size, const char * fmt, ...)
154 result = PGM_FUNC(vsnprintf)(str, size, fmt, ap);