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[/] [or1k/] [trunk/] [newlib-1.10.0/] [newlib/] [libc/] [stdio/] [siprintf.c] - Rev 1773
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/* FUNCTION <<siprintf>>---write formatted output (integer only) INDEX siprintf ANSI_SYNOPSIS #include <stdio.h> int siprintf(char *<[str]>, const char *<[format]> [, <[arg]>, ...]); DESCRIPTION <<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>> 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 <<siprintf>> is not required by ANSI C. Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, <<lseek>>, <<read>>, <<sbrk>>, <<write>>. */ #include <stdio.h> #ifdef _HAVE_STDC #include <stdarg.h> #else #include <varargs.h> #endif #include <limits.h> #include <_ansi.h> #include <reent.h> #include "local.h" int #ifdef _HAVE_STDC _DEFUN (siprintf, (str, fmt), char *str _AND _CONST char *fmt _DOTS) #else siprintf (str, fmt, va_alist) char *str; _CONST char *fmt; va_dcl #endif { int ret; va_list ap; FILE f; f._flags = __SWR | __SSTR; f._bf._base = f._p = (unsigned char *) str; f._bf._size = f._w = INT_MAX; f._data = _REENT; #ifdef _HAVE_STDC va_start (ap, fmt); #else va_start (ap); #endif ret = vfiprintf (&f, fmt, ap); va_end (ap); *f._p = 0; return (ret); }
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