X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=mware%2Fsprintf.c;h=0b05ce7ba6e3bc2db9a049dcdaf56011d9574ab1;hb=45add65abd59bd79f528501c85f3e5891a9c2c29;hp=dacb06c64336bff5510b01a92c83e6b0c0479fc8;hpb=48e1c3f2a59544cc07554f5a06fb4bc6f8769b7e;p=bertos.git diff --git a/mware/sprintf.c b/mware/sprintf.c old mode 100755 new mode 100644 index dacb06c6..0b05ce7b --- a/mware/sprintf.c +++ b/mware/sprintf.c @@ -1,8 +1,33 @@ -/*! +/** * \file * * * \brief sprintf() implementation based on _formatted_write() @@ -11,47 +36,10 @@ * \author Bernardo Innocenti */ -/*#* - *#* $Log$ - *#* Revision 1.6 2004/11/16 21:15:19 bernie - *#* Fix off-by-one bug in [v]snprintf(). - *#* - *#* Revision 1.5 2004/10/03 18:54:36 bernie - *#* sprintf(): Fix a serious bug; snprintf(): New function. - *#* - *#* Revision 1.4 2004/08/25 14:12:09 rasky - *#* Aggiornato il comment block dei log RCS - *#* - *#* Revision 1.3 2004/06/27 15:20:26 aleph - *#* Change UNUSED() macro to accept two arguments: type and name; - *#* Add macro GNUC_PREREQ to detect GCC version during build; - *#* Some spacing cleanups and typo fix - *#* - *#* Revision 1.2 2004/06/03 11:27:09 bernie - *#* Add dual-license information. - *#* - *#* Revision 1.1 2004/05/23 15:43:16 bernie - *#* Import mware modules. - *#* - *#* Revision 1.4 2004/04/03 20:42:27 aleph - *#* Remove duplicated defines - *#* - *#* Revision 1.3 2004/03/24 15:48:53 bernie - *#* Remove Copyright messages from Doxygen output - *#* - *#* Revision 1.2 2004/03/19 16:51:30 bernie - *#* Add PROGMEM kludge. - *#* - *#* Revision 1.1 2004/02/23 09:45:09 aleph - *#* Add missing library functions. - *#* - *#* Revision 1.1 2003/11/13 16:56:37 aleph - *#* Add first implementation of dsp firmware - *#* - *#*/ - -#include "compiler.h" -#include "formatwr.h" +#include +#include +#include + #include @@ -66,21 +54,26 @@ static void __str_put_char(char c, void *ptr) (*((char **)ptr))++; } -static void __null_put_char(UNUSED(char, c), UNUSED(void *, ptr)) +static void __null_put_char(UNUSED_ARG(char, c), UNUSED_ARG(void *, ptr)) { /* nop */ } -int PGM_FUNC(vsprintf)(char * str, const char * PGM_ATTR fmt, va_list ap) +int PGM_FUNC(vsprintf)(char *str, const char * PGM_ATTR fmt, va_list ap) { int result; - result = PGM_FUNC(_formatted_write)( - fmt, (str ? __str_put_char : __null_put_char), &str, ap); + if (str) + { + result = PGM_FUNC(_formatted_write)(fmt, __str_put_char, &str, ap); + + /* Terminate string */ + *str = '\0'; + } + else + result = PGM_FUNC(_formatted_write)(fmt, __null_put_char, 0, ap); - /* Terminate string */ - *str = '\0'; return result; } @@ -98,7 +91,7 @@ int PGM_FUNC(sprintf)(char *str, const char * fmt, ...) return result; } -/*! +/** * State information for __sn_put_char() */ struct __sn_state @@ -107,7 +100,7 @@ struct __sn_state size_t len; }; -/*! +/** * formatted_write() callback used [v]snprintf(). */ static void __sn_put_char(char c, void *ptr) @@ -129,15 +122,19 @@ int PGM_FUNC(vsnprintf)(char *str, size_t size, const char * PGM_ATTR fmt, va_li /* Make room for traling '\0'. */ if (size--) { - struct __sn_state state; - state.str = str; - state.len = size; - - result = PGM_FUNC(_formatted_write)( - fmt, (str ? __sn_put_char : __null_put_char), &state, ap); - - /* Terminate string. */ - *state.str = '\0'; + if (str) + { + struct __sn_state state; + state.str = str; + state.len = size; + + result = PGM_FUNC(_formatted_write)(fmt, __sn_put_char, &state, ap); + + /* Terminate string. */ + *state.str = '\0'; + } + else + result = PGM_FUNC(_formatted_write)(fmt, __null_put_char, 0, ap); } return result;