diff options
Diffstat (limited to 'newlib/libc/stdio/siprintf.c')
| -rw-r--r-- | newlib/libc/stdio/siprintf.c | 97 |
1 files changed, 33 insertions, 64 deletions
diff --git a/newlib/libc/stdio/siprintf.c b/newlib/libc/stdio/siprintf.c index 4e8e95aaa..838200805 100644 --- a/newlib/libc/stdio/siprintf.c +++ b/newlib/libc/stdio/siprintf.c @@ -17,69 +17,37 @@ /* FUNCTION - <<iprintf>>, <<fiprintf>>, <<asiprintf>>, <<siprintf>>, <<sniprintf>>---format output +<<siprintf>>---write formatted output (integer only) INDEX - fiprintf -INDEX - iprintf -INDEX - asiprintf -INDEX siprintf -INDEX - sniprintf ANSI_SYNOPSIS #include <stdio.h> - int iprintf(const char *<[format]> [, <[arg]>, ...]); - int fiprintf(FILE *<[fd]>, const char *<[format]> [, <[arg]>, ...]); int siprintf(char *<[str]>, const char *<[format]> [, <[arg]>, ...]); - int asiprintf(char **<[strp]>, const char *<[format]> [, <[arg]>, ...]); - int sniprintf(char *<[str]>, size_t <[size]>, const char *<[format]> - [, <[arg]>, ...]); TRAD_SYNOPSIS - #include <stdio.h> - - int iprintf(<[format]> [, <[arg]>, ...]) - char *<[format]>; - - int fiprintf(<[fd]>, <[format]> [, <[arg]>, ...]); - FILE *<[fd]>; - char *<[format]>; - - int asiprintf(<[strp]>, <[format]> [, <[arg]>, ...]); - char **<[strp]>; - char *<[format]>; - - int siprintf(<[str]>, <[format]> [, <[arg]>, ...]); - char *<[str]>; - char *<[format]>; + #include <stdio.h> - int sniprintf(<[str]>, size_t <[size]>, <[format]> [, <[arg]>, ...]); - char *<[str]>; - size_t <[size]>; - char *<[format]>; + int siprintf(<[str]>, <[format]>, [, <[arg]>, ...]) + char *<[str]>; + const char *<[format]>; DESCRIPTION - <<iprintf>>, <<fiprintf>>, <<siprintf>>, <<sniprintf>>, - <<asiprintf>>, are the same as <<printf>>, <<fprintf>>, - <<sprintf>>, <<snprintf>>, and <<asprintf>>, respectively, - only that they restrict usage to non-floating-point format - specifiers. +<<siprintf>> is a restricted version of <<sprintf>>: it has the same +arguments and behavior, save that it cannot perform any floating-point +formatting: the <<f>>, <<g>>, <<G>>, <<e>>, and <<F>> type specifiers +are not recognized. RETURNS -<<siprintf>> and <<asiprintf>> return the number of bytes in the output string, -save that the concluding <<NULL>> is not counted. -<<iprintf>> and <<fiprintf>> return the number of characters transmitted. -If an error occurs, <<iprintf>> and <<fiprintf>> return <<EOF>> and -<<asiprintf>> returns -1. No error returns occur for <<siprintf>>. + <<siprintf>> returns the number of bytes in the output string, + save that the concluding <<NULL>> is not counted. + <<siprintf>> returns when the end of the format string is + encountered. PORTABILITY -<<iprintf>>, <<fiprintf>>, <<siprintf>>, <<sniprintf>>, and <<asprintf>> -are newlib extensions. +<<siprintf>> is not required by ANSI C. Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, <<lseek>>, <<read>>, <<sbrk>>, <<write>>. @@ -96,18 +64,18 @@ Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, #include <limits.h> #include "local.h" +#ifndef _REENT_ONLY + int #ifdef _HAVE_STDC -_DEFUN(_siprintf_r, (ptr, str, fmt), - struct _reent *ptr _AND - char *str _AND +_DEFUN(siprintf, (str, fmt), + char *str _AND _CONST char *fmt _DOTS) #else -_siprintf_r(ptr, str, fmt, va_alist) - struct _reent *ptr; - char *str; - _CONST char *fmt; - va_dcl +siprintf(str, fmt, va_alist) + char *str; + _CONST char *fmt; + va_dcl #endif { int ret; @@ -123,24 +91,26 @@ _siprintf_r(ptr, str, fmt, va_alist) #else va_start (ap); #endif - ret = _vfiprintf_r (ptr, &f, fmt, ap); + ret = vfiprintf (&f, fmt, ap); va_end (ap); *f._p = 0; return (ret); } -#ifndef _REENT_ONLY +#endif /* ! _REENT_ONLY */ int #ifdef _HAVE_STDC -_DEFUN(siprintf, (str, fmt), - char *str _AND +_DEFUN(_siprintf_r, (rptr, str, fmt), + struct _reent *rptr _AND + char *str _AND _CONST char *fmt _DOTS) #else -siprintf(str, fmt, va_alist) - char *str; - _CONST char *fmt; - va_dcl +_siprintf_r(rptr, str, fmt, va_alist) + struct _reent *rptr; + char *str; + _CONST char *fmt; + va_dcl #endif { int ret; @@ -156,10 +126,9 @@ siprintf(str, fmt, va_alist) #else va_start (ap); #endif - ret = _vfiprintf_r (_REENT, &f, fmt, ap); + ret = _vfiprintf_r (rptr, &f, fmt, ap); va_end (ap); *f._p = 0; return (ret); } -#endif |