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< h1 > vprintf.cpp< / h1 > < / div >
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< a href = "vprintf_8cpp.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < pre class = "fragment" > < a name = "l00001" > < / a > 00001 < span class = "comment" > // -*- Mode: C++; c-basic-offset: 8; indent-tabs-mode: nil -*-< / span >
< a name = "l00002" > < / a > 00002 < span class = "comment" > /*< / span >
< a name = "l00003" > < / a > 00003 < span class = "comment" > Adapted from the avr-libc vfprintf:< / span >
< a name = "l00004" > < / a > 00004 < span class = "comment" > < / span >
< a name = "l00005" > < / a > 00005 < span class = "comment" > Copyright (c) 2002, Alexander Popov (sasho@vip.bg)< / span >
< a name = "l00006" > < / a > 00006 < span class = "comment" > Copyright (c) 2002,2004,2005 Joerg Wunsch< / span >
< a name = "l00007" > < / a > 00007 < span class = "comment" > Copyright (c) 2005, Helmut Wallner< / span >
< a name = "l00008" > < / a > 00008 < span class = "comment" > Copyright (c) 2007, Dmitry Xmelkov< / span >
< a name = "l00009" > < / a > 00009 < span class = "comment" > All rights reserved.< / span >
< a name = "l00010" > < / a > 00010 < span class = "comment" > < / span >
< a name = "l00011" > < / a > 00011 < span class = "comment" > Redistribution and use in source and binary forms, with or without< / span >
< a name = "l00012" > < / a > 00012 < span class = "comment" > modification, are permitted provided that the following conditions are met:< / span >
< a name = "l00013" > < / a > 00013 < span class = "comment" > < / span >
< a name = "l00014" > < / a > 00014 < span class = "comment" > * Redistributions of source code must retain the above copyright< / span >
< a name = "l00015" > < / a > 00015 < span class = "comment" > notice, this list of conditions and the following disclaimer.< / span >
< a name = "l00016" > < / a > 00016 < span class = "comment" > * Redistributions in binary form must reproduce the above copyright< / span >
< a name = "l00017" > < / a > 00017 < span class = "comment" > notice, this list of conditions and the following disclaimer in< / span >
< a name = "l00018" > < / a > 00018 < span class = "comment" > the documentation and/or other materials provided with the< / span >
< a name = "l00019" > < / a > 00019 < span class = "comment" > distribution.< / span >
< a name = "l00020" > < / a > 00020 < span class = "comment" > * Neither the name of the copyright holders nor the names of< / span >
< a name = "l00021" > < / a > 00021 < span class = "comment" > contributors may be used to endorse or promote products derived< / span >
< a name = "l00022" > < / a > 00022 < span class = "comment" > from this software without specific prior written permission.< / span >
< a name = "l00023" > < / a > 00023 < span class = "comment" > < / span >
< a name = "l00024" > < / a > 00024 < span class = "comment" > THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS " AS IS" < / span >
< a name = "l00025" > < / a > 00025 < span class = "comment" > AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE< / span >
< a name = "l00026" > < / a > 00026 < span class = "comment" > IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE< / span >
< a name = "l00027" > < / a > 00027 < span class = "comment" > ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE< / span >
< a name = "l00028" > < / a > 00028 < span class = "comment" > LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR< / span >
< a name = "l00029" > < / a > 00029 < span class = "comment" > CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF< / span >
< a name = "l00030" > < / a > 00030 < span class = "comment" > SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS< / span >
< a name = "l00031" > < / a > 00031 < span class = "comment" > INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN< / span >
< a name = "l00032" > < / a > 00032 < span class = "comment" > CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)< / span >
< a name = "l00033" > < / a > 00033 < span class = "comment" > ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE< / span >
< a name = "l00034" > < / a > 00034 < span class = "comment" > POSSIBILITY OF SUCH DAMAGE.< / span >
< a name = "l00035" > < / a > 00035 < span class = "comment" > */< / span >
< a name = "l00036" > < / a > 00036
< a name = "l00037" > < / a > 00037 < span class = "comment" > /* From: Id: printf_p_new.c,v 1.1.1.9 2002/10/15 20:10:28 joerg_wunsch Exp */< / span >
< a name = "l00038" > < / a > 00038 < span class = "comment" > /* $Id: vfprintf.c,v 1.18.2.1 2009/04/01 23:12:06 arcanum Exp $ */< / span >
< a name = "l00039" > < / a > 00039
< a name = "l00040" > < / a > 00040 < span class = "preprocessor" > #include " < a class = "code" href = "_better_stream_8h.html" > BetterStream.h< / a > " < / span >
< a name = "l00041" > < / a > 00041
< a name = "l00042" > < / a > 00042 < span class = "preprocessor" > #include < avr/pgmspace.h> < / span >
< a name = "l00043" > < / a > 00043 < span class = "preprocessor" > #include < stdarg.h> < / span >
< a name = "l00044" > < / a > 00044 < span class = "preprocessor" > #include < string.h> < / span >
< a name = "l00045" > < / a > 00045 < span class = "keyword" > extern< / span > < span class = "stringliteral" > " C" < / span > {
< a name = "l00046" > < / a > 00046 < span class = "preprocessor" > #include " < a class = "code" href = "ftoa__engine_8h.html" > ftoa_engine.h< / a > " < / span >
< a name = "l00047" > < / a > 00047 < span class = "preprocessor" > #include " < a class = "code" href = "ntz_8h.html" > ntz.h< / a > " < / span >
< a name = "l00048" > < / a > 00048 < span class = "preprocessor" > #include " < a class = "code" href = "xtoa__fast_8h.html" > xtoa_fast.h< / a > " < / span >
< a name = "l00049" > < / a > 00049 }
< a name = "l00050" > < / a > 00050
< a name = "l00051" > < / a > 00051 < span class = "comment" > // workaround for GCC bug c++/34734< / span >
< a name = "l00052" > < / a > 00052 < span class = "preprocessor" > #undef PROGMEM < / span >
< a name = "l00053" > < / a > < a class = "code" href = "vprintf_8cpp.html#a75acaba9e781937468d0911423bc0c35" > 00053< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define PROGMEM __attribute__(( section(" .progmem.data" ) )) < / span >
< a name = "l00054" > < / a > 00054 < span class = "preprocessor" > < / span > < span class = "preprocessor" > #undef PSTR < / span >
< a name = "l00055" > < / a > < a class = "code" href = "vprintf_8cpp.html#a05ca900ebf7cd121be73c654d9ccb3eb" > 00055< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define PSTR(s) (__extension__({static prog_char __c[] PROGMEM = (s); & __c[0];})) < / span >
< a name = "l00056" > < / a > 00056 < span class = "preprocessor" > < / span >
< a name = "l00057" > < / a > < a class = "code" href = "vprintf_8cpp.html#a594135840cf97491063107face7966e4" > 00057< / a > < span class = "preprocessor" > #define GETBYTE(flag, mask, pnt) ({ \< / span >
< a name = "l00058" > < / a > 00058 < span class = "preprocessor" > unsigned char __c; \< / span >
< a name = "l00059" > < / a > 00059 < span class = "preprocessor" > asm ( \< / span >
< a name = "l00060" > < / a > 00060 < span class = "preprocessor" > " sbrc %2,%3 \n\t" \< / span >
< a name = "l00061" > < / a > 00061 < span class = "preprocessor" > " lpm %0,Z+ \n\t" \< / span >
< a name = "l00062" > < / a > 00062 < span class = "preprocessor" > " sbrs %2,%3 \n\t" \< / span >
< a name = "l00063" > < / a > 00063 < span class = "preprocessor" > " ld %0,Z+ " \< / span >
< a name = "l00064" > < / a > 00064 < span class = "preprocessor" > : " =r" (__c), \< / span >
< a name = "l00065" > < / a > 00065 < span class = "preprocessor" > " +z" (pnt) \< / span >
< a name = "l00066" > < / a > 00066 < span class = "preprocessor" > : " r" (flag), \< / span >
< a name = "l00067" > < / a > 00067 < span class = "preprocessor" > " I" (ntz(mask)) \< / span >
< a name = "l00068" > < / a > 00068 < span class = "preprocessor" > ); \< / span >
< a name = "l00069" > < / a > 00069 < span class = "preprocessor" > __c; \< / span >
< a name = "l00070" > < / a > 00070 < span class = "preprocessor" > })< / span >
< a name = "l00071" > < / a > 00071 < span class = "preprocessor" > < / span > < span class = "comment" > /*< / span >
< a name = "l00072" > < / a > 00072 < span class = "comment" > #define GETBYTE(flag, mask, pnt) ({ \< / span >
< a name = "l00073" > < / a > 00073 < span class = "comment" > unsigned char __c; \< / span >
< a name = "l00074" > < / a > 00074 < span class = "comment" > __c = ((flag) & (mask)) \< / span >
< a name = "l00075" > < / a > 00075 < span class = "comment" > ? pgm_read_byte(pnt) : *pnt; \< / span >
< a name = "l00076" > < / a > 00076 < span class = "comment" > pnt++; \< / span >
< a name = "l00077" > < / a > 00077 < span class = "comment" > __c; \< / span >
< a name = "l00078" > < / a > 00078 < span class = "comment" > })< / span >
< a name = "l00079" > < / a > 00079 < span class = "comment" > */< / span >
< a name = "l00080" > < / a > 00080
< a name = "l00081" > < / a > < a class = "code" href = "vprintf_8cpp.html#aaad70046054194bb1cbe0673b3c212f2" > 00081< / a > < span class = "preprocessor" > #define FL_ZFILL 0x01< / span >
< a name = "l00082" > < / a > < a class = "code" href = "vprintf_8cpp.html#a5052dbb513e79cafd4cb51a474526318" > 00082< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_PLUS 0x02< / span >
< a name = "l00083" > < / a > < a class = "code" href = "vprintf_8cpp.html#ab75bdf743821eb031641f604ef84291a" > 00083< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_SPACE 0x04< / span >
< a name = "l00084" > < / a > < a class = "code" href = "vprintf_8cpp.html#af952bbf75b391b81f9fcd24834117c6d" > 00084< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_LPAD 0x08< / span >
< a name = "l00085" > < / a > < a class = "code" href = "vprintf_8cpp.html#a58b1ac5446b292c77043f99558eb07cb" > 00085< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_ALT 0x10< / span >
< a name = "l00086" > < / a > < a class = "code" href = "vprintf_8cpp.html#a1dec6f2986dc2f1055bfc39ed745500e" > 00086< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_WIDTH 0x20< / span >
< a name = "l00087" > < / a > < a class = "code" href = "vprintf_8cpp.html#a8c134b2f4722f9b59d3851d0be28dda9" > 00087< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_PREC 0x40< / span >
< a name = "l00088" > < / a > < a class = "code" href = "vprintf_8cpp.html#aba9eba8db439010ca11f2fb7607c7c6e" > 00088< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_LONG 0x80< / span >
< a name = "l00089" > < / a > 00089 < span class = "preprocessor" > < / span >
< a name = "l00090" > < / a > < a class = "code" href = "vprintf_8cpp.html#a95045f8d69f7ad062c5d2bd4b4e4b6b4" > 00090< / a > < span class = "preprocessor" > #define FL_PGMSTRING FL_LONG< / span >
< a name = "l00091" > < / a > < a class = "code" href = "vprintf_8cpp.html#a753650881115de6d78f9755bfcc777f0" > 00091< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_NEGATIVE FL_LONG< / span >
< a name = "l00092" > < / a > 00092 < span class = "preprocessor" > < / span >
< a name = "l00093" > < / a > < a class = "code" href = "vprintf_8cpp.html#a41bcbafa8f3d8487945b6a6ede5df7a2" > 00093< / a > < span class = "preprocessor" > #define FL_ALTUPP FL_PLUS< / span >
< a name = "l00094" > < / a > < a class = "code" href = "vprintf_8cpp.html#ab6ee3505eb9bc230d1d3dc2f8c83e67f" > 00094< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_ALTHEX FL_SPACE< / span >
< a name = "l00095" > < / a > 00095 < span class = "preprocessor" > < / span >
< a name = "l00096" > < / a > < a class = "code" href = "vprintf_8cpp.html#a220f13ec366247f858df3eb7962a8340" > 00096< / a > < span class = "preprocessor" > #define FL_FLTUPP FL_ALT< / span >
< a name = "l00097" > < / a > < a class = "code" href = "vprintf_8cpp.html#a4118c3d3af25daa2c39fb4aa1d5a4462" > 00097< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_FLTEXP FL_PREC< / span >
< a name = "l00098" > < / a > < a class = "code" href = "vprintf_8cpp.html#a15e99332e501376914ddb0ccde08800f" > 00098< / a > < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FL_FLTFIX FL_LONG< / span >
< a name = "l00099" > < / a > 00099 < span class = "preprocessor" > < / span >
< a name = "l00100" > < / a > 00100 < span class = "keywordtype" > void< / span >
< a name = "l00101" > < / a > 00101 BetterStream::_vprintf (< span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > in_progmem, < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *fmt, va_list ap)
< a name = "l00102" > < / a > 00102 {
< a name = "l00103" > < / a > 00103 < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > c; < span class = "comment" > /* holds a char from the format string */< / span >
< a name = "l00104" > < / a > 00104 < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > flags;
< a name = "l00105" > < / a > 00105 < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > width;
< a name = "l00106" > < / a > 00106 < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > prec;
< a name = "l00107" > < / a > 00107 < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > buf[11]; < span class = "comment" > /* size for -1 in octal, without ' \0' */< / span >
< a name = "l00108" > < / a > 00108
< a name = "l00109" > < / a > 00109 < span class = "keywordflow" > for< / span > (;;) {
< a name = "l00110" > < / a > 00110
< a name = "l00111" > < / a > 00111 < span class = "comment" > /*< / span >
< a name = "l00112" > < / a > 00112 < span class = "comment" > * Process non-format characters< / span >
< a name = "l00113" > < / a > 00113 < span class = "comment" > */< / span >
< a name = "l00114" > < / a > 00114 < span class = "keywordflow" > for< / span > (;;) {
< a name = "l00115" > < / a > 00115 c = < a class = "code" href = "vprintf_8cpp.html#a594135840cf97491063107face7966e4" > GETBYTE< / a > (in_progmem, 1, fmt);
< a name = "l00116" > < / a > 00116 < span class = "keywordflow" > if< / span > (!c) < span class = "keywordflow" > return< / span > ;
< a name = "l00117" > < / a > 00117 < span class = "keywordflow" > if< / span > (c == < span class = "charliteral" > ' %' < / span > ) {
< a name = "l00118" > < / a > 00118 c = < a class = "code" href = "vprintf_8cpp.html#a594135840cf97491063107face7966e4" > GETBYTE< / a > (in_progmem, 1, fmt);
< a name = "l00119" > < / a > 00119 < span class = "keywordflow" > if< / span > (c != < span class = "charliteral" > ' %' < / span > ) < span class = "keywordflow" > break< / span > ;
< a name = "l00120" > < / a > 00120 }
< a name = "l00121" > < / a > 00121 < span class = "comment" > /* emit cr before lf to make most terminals happy */< / span >
< a name = "l00122" > < / a > 00122 < span class = "keywordflow" > if< / span > (c == < span class = "charliteral" > ' \n' < / span > )
< a name = "l00123" > < / a > 00123 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' \r' < / span > );
< a name = "l00124" > < / a > 00124 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (c);
< a name = "l00125" > < / a > 00125 }
< a name = "l00126" > < / a > 00126
< a name = "l00127" > < / a > 00127 flags = 0;
< a name = "l00128" > < / a > 00128 width = 0;
< a name = "l00129" > < / a > 00129 prec = 0;
< a name = "l00130" > < / a > 00130
< a name = "l00131" > < / a > 00131 < span class = "comment" > /*< / span >
< a name = "l00132" > < / a > 00132 < span class = "comment" > * Process format adjustment characters, precision, width.< / span >
< a name = "l00133" > < / a > 00133 < span class = "comment" > */< / span >
< a name = "l00134" > < / a > 00134 < span class = "keywordflow" > do< / span > {
< a name = "l00135" > < / a > 00135 < span class = "keywordflow" > if< / span > (flags < < a class = "code" href = "vprintf_8cpp.html#a1dec6f2986dc2f1055bfc39ed745500e" > FL_WIDTH< / a > ) {
< a name = "l00136" > < / a > 00136 < span class = "keywordflow" > switch< / span > (c) {
< a name = "l00137" > < / a > 00137 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' 0' < / span > :
< a name = "l00138" > < / a > 00138 flags |= FL_ZFILL;
< a name = "l00139" > < / a > 00139 < span class = "keywordflow" > continue< / span > ;
< a name = "l00140" > < / a > 00140 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' +' < / span > :
< a name = "l00141" > < / a > 00141 flags |= FL_PLUS;
< a name = "l00142" > < / a > 00142 < span class = "comment" > /* FALLTHROUGH */< / span >
< a name = "l00143" > < / a > 00143 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' ' < / span > :
< a name = "l00144" > < / a > 00144 flags |= FL_SPACE;
< a name = "l00145" > < / a > 00145 < span class = "keywordflow" > continue< / span > ;
< a name = "l00146" > < / a > 00146 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' -' < / span > :
< a name = "l00147" > < / a > 00147 flags |= FL_LPAD;
< a name = "l00148" > < / a > 00148 < span class = "keywordflow" > continue< / span > ;
< a name = "l00149" > < / a > 00149 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' #' < / span > :
< a name = "l00150" > < / a > 00150 flags |= FL_ALT;
< a name = "l00151" > < / a > 00151 < span class = "keywordflow" > continue< / span > ;
< a name = "l00152" > < / a > 00152 }
< a name = "l00153" > < / a > 00153 }
< a name = "l00154" > < / a > 00154
< a name = "l00155" > < / a > 00155 < span class = "keywordflow" > if< / span > (flags < < a class = "code" href = "vprintf_8cpp.html#aba9eba8db439010ca11f2fb7607c7c6e" > FL_LONG< / a > ) {
< a name = "l00156" > < / a > 00156 < span class = "keywordflow" > if< / span > (c > = < span class = "charliteral" > ' 0' < / span > & & c < = < span class = "charliteral" > ' 9' < / span > ) {
< a name = "l00157" > < / a > 00157 c -= < span class = "charliteral" > ' 0' < / span > ;
< a name = "l00158" > < / a > 00158 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#a8c134b2f4722f9b59d3851d0be28dda9" > FL_PREC< / a > ) {
< a name = "l00159" > < / a > 00159 prec = 10*prec + c;
< a name = "l00160" > < / a > 00160 < span class = "keywordflow" > continue< / span > ;
< a name = "l00161" > < / a > 00161 }
< a name = "l00162" > < / a > 00162 width = 10*width + c;
< a name = "l00163" > < / a > 00163 flags |= FL_WIDTH;
< a name = "l00164" > < / a > 00164 < span class = "keywordflow" > continue< / span > ;
< a name = "l00165" > < / a > 00165 }
< a name = "l00166" > < / a > 00166 < span class = "keywordflow" > if< / span > (c == < span class = "charliteral" > ' .' < / span > ) {
< a name = "l00167" > < / a > 00167 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#a8c134b2f4722f9b59d3851d0be28dda9" > FL_PREC< / a > )
< a name = "l00168" > < / a > 00168 < span class = "keywordflow" > return< / span > ;
< a name = "l00169" > < / a > 00169 flags |= FL_PREC;
< a name = "l00170" > < / a > 00170 < span class = "keywordflow" > continue< / span > ;
< a name = "l00171" > < / a > 00171 }
< a name = "l00172" > < / a > 00172 < span class = "keywordflow" > if< / span > (c == < span class = "charliteral" > ' l' < / span > ) {
< a name = "l00173" > < / a > 00173 flags |= FL_LONG;
< a name = "l00174" > < / a > 00174 < span class = "keywordflow" > continue< / span > ;
< a name = "l00175" > < / a > 00175 }
< a name = "l00176" > < / a > 00176 < span class = "keywordflow" > if< / span > (c == < span class = "charliteral" > ' h' < / span > )
< a name = "l00177" > < / a > 00177 < span class = "keywordflow" > continue< / span > ;
< a name = "l00178" > < / a > 00178 }
< a name = "l00179" > < / a > 00179
< a name = "l00180" > < / a > 00180 < span class = "keywordflow" > break< / span > ;
< a name = "l00181" > < / a > 00181 } < span class = "keywordflow" > while< / span > ( (c = < a class = "code" href = "vprintf_8cpp.html#a594135840cf97491063107face7966e4" > GETBYTE< / a > (in_progmem, 1, fmt)) != 0);
< a name = "l00182" > < / a > 00182
< a name = "l00183" > < / a > 00183 < span class = "comment" > /*< / span >
< a name = "l00184" > < / a > 00184 < span class = "comment" > * Handle floating-point formats E, F, G, e, f, g.< / span >
< a name = "l00185" > < / a > 00185 < span class = "comment" > */< / span >
< a name = "l00186" > < / a > 00186 < span class = "keywordflow" > if< / span > (c > = < span class = "charliteral" > ' E' < / span > & & c < = < span class = "charliteral" > ' G' < / span > ) {
< a name = "l00187" > < / a > 00187 flags |= FL_FLTUPP;
< a name = "l00188" > < / a > 00188 c += < span class = "charliteral" > ' e' < / span > - < span class = "charliteral" > ' E' < / span > ;
< a name = "l00189" > < / a > 00189 < span class = "keywordflow" > goto< / span > flt_oper;
< a name = "l00190" > < / a > 00190
< a name = "l00191" > < / a > 00191 } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (c > = < span class = "charliteral" > ' e' < / span > & & c < = < span class = "charliteral" > ' g' < / span > ) {
< a name = "l00192" > < / a > 00192
< a name = "l00193" > < / a > 00193 < span class = "keywordtype" > int< / span > exp; < span class = "comment" > /* exponent of master decimal digit */< / span >
< a name = "l00194" > < / a > 00194 < span class = "keywordtype" > int< / span > n;
< a name = "l00195" > < / a > 00195 < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > vtype; < span class = "comment" > /* result of float value parse */< / span >
< a name = "l00196" > < / a > 00196 < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > sign; < span class = "comment" > /* sign character (or 0) */< / span >
< a name = "l00197" > < / a > 00197 < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > ndigs;
< a name = "l00198" > < / a > 00198
< a name = "l00199" > < / a > 00199 flags & = ~FL_FLTUPP;
< a name = "l00200" > < / a > 00200
< a name = "l00201" > < / a > 00201 flt_oper:
< a name = "l00202" > < / a > 00202 < span class = "keywordflow" > if< / span > (!(flags & < a class = "code" href = "vprintf_8cpp.html#a8c134b2f4722f9b59d3851d0be28dda9" > FL_PREC< / a > ))
< a name = "l00203" > < / a > 00203 prec = 6;
< a name = "l00204" > < / a > 00204 flags & = ~(< a class = "code" href = "vprintf_8cpp.html#a4118c3d3af25daa2c39fb4aa1d5a4462" > FL_FLTEXP< / a > | FL_FLTFIX);
< a name = "l00205" > < / a > 00205 < span class = "keywordflow" > if< / span > (c == < span class = "charliteral" > ' e' < / span > )
< a name = "l00206" > < / a > 00206 flags |= FL_FLTEXP;
< a name = "l00207" > < / a > 00207 < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (c == < span class = "charliteral" > ' f' < / span > )
< a name = "l00208" > < / a > 00208 flags |= FL_FLTFIX;
< a name = "l00209" > < / a > 00209 < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (prec > 0)
< a name = "l00210" > < / a > 00210 prec -= 1;
< a name = "l00211" > < / a > 00211
< a name = "l00212" > < / a > 00212 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#a15e99332e501376914ddb0ccde08800f" > FL_FLTFIX< / a > ) {
< a name = "l00213" > < / a > 00213 vtype = 7; < span class = "comment" > /* ' prec' arg for ' ftoa_engine' */< / span >
< a name = "l00214" > < / a > 00214 ndigs = prec < 60 ? prec + 1 : 60;
< a name = "l00215" > < / a > 00215 } < span class = "keywordflow" > else< / span > {
< a name = "l00216" > < / a > 00216 < span class = "keywordflow" > if< / span > (prec > 7) prec = 7;
< a name = "l00217" > < / a > 00217 vtype = prec;
< a name = "l00218" > < / a > 00218 ndigs = 0;
< a name = "l00219" > < / a > 00219 }
< a name = "l00220" > < / a > 00220 exp = < a class = "code" href = "ftoa__engine_8h.html#a0700887e129ad889bdff83eac78c8797" > __ftoa_engine< / a > (va_arg(ap,< span class = "keywordtype" > double< / span > ), (< span class = "keywordtype" > char< / span > *)buf, vtype, ndigs);
< a name = "l00221" > < / a > 00221 vtype = buf[0];
< a name = "l00222" > < / a > 00222
< a name = "l00223" > < / a > 00223 sign = 0;
< a name = "l00224" > < / a > 00224 < span class = "keywordflow" > if< / span > ((vtype & < a class = "code" href = "ftoa__engine_8h.html#ae08813ed12ab2add31bd7237b2a21eee" > FTOA_MINUS< / a > ) & & !(vtype & < a class = "code" href = "ftoa__engine_8h.html#a3880068e0d3d33e895afb7bffce62b04" > FTOA_NAN< / a > ))
< a name = "l00225" > < / a > 00225 sign = < span class = "charliteral" > ' -' < / span > ;
< a name = "l00226" > < / a > 00226 < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#a5052dbb513e79cafd4cb51a474526318" > FL_PLUS< / a > )
< a name = "l00227" > < / a > 00227 sign = < span class = "charliteral" > ' +' < / span > ;
< a name = "l00228" > < / a > 00228 < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#ab75bdf743821eb031641f604ef84291a" > FL_SPACE< / a > )
< a name = "l00229" > < / a > 00229 sign = < span class = "charliteral" > ' ' < / span > ;
< a name = "l00230" > < / a > 00230
< a name = "l00231" > < / a > 00231 < span class = "keywordflow" > if< / span > (vtype & (FTOA_NAN | < a class = "code" href = "ftoa__engine_8h.html#a00844b2d34d094b2ff96684bcbfac309" > FTOA_INF< / a > )) {
< a name = "l00232" > < / a > 00232 < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *p;
< a name = "l00233" > < / a > 00233 ndigs = sign ? 4 : 3;
< a name = "l00234" > < / a > 00234 < span class = "keywordflow" > if< / span > (width > ndigs) {
< a name = "l00235" > < / a > 00235 width -= ndigs;
< a name = "l00236" > < / a > 00236 < span class = "keywordflow" > if< / span > (!(flags & < a class = "code" href = "vprintf_8cpp.html#af952bbf75b391b81f9fcd24834117c6d" > FL_LPAD< / a > )) {
< a name = "l00237" > < / a > 00237 < span class = "keywordflow" > do< / span > {
< a name = "l00238" > < / a > 00238 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' ' < / span > );
< a name = "l00239" > < / a > 00239 } < span class = "keywordflow" > while< / span > (--width);
< a name = "l00240" > < / a > 00240 }
< a name = "l00241" > < / a > 00241 } < span class = "keywordflow" > else< / span > {
< a name = "l00242" > < / a > 00242 width = 0;
< a name = "l00243" > < / a > 00243 }
< a name = "l00244" > < / a > 00244 < span class = "keywordflow" > if< / span > (sign)
< a name = "l00245" > < / a > 00245 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (sign);
< a name = "l00246" > < / a > 00246 p = < a class = "code" href = "vprintf_8cpp.html#a05ca900ebf7cd121be73c654d9ccb3eb" > PSTR< / a > (< span class = "stringliteral" > " inf" < / span > );
< a name = "l00247" > < / a > 00247 < span class = "keywordflow" > if< / span > (vtype & FTOA_NAN)
< a name = "l00248" > < / a > 00248 p = < a class = "code" href = "vprintf_8cpp.html#a05ca900ebf7cd121be73c654d9ccb3eb" > PSTR< / a > (< span class = "stringliteral" > " nan" < / span > );
< a name = "l00249" > < / a > 00249 < span class = "keywordflow" > while< / span > ( (ndigs = pgm_read_byte(p)) != 0) {
< a name = "l00250" > < / a > 00250 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#a220f13ec366247f858df3eb7962a8340" > FL_FLTUPP< / a > )
< a name = "l00251" > < / a > 00251 ndigs += < span class = "charliteral" > ' I' < / span > - < span class = "charliteral" > ' i' < / span > ;
< a name = "l00252" > < / a > 00252 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (ndigs);
< a name = "l00253" > < / a > 00253 p++;
< a name = "l00254" > < / a > 00254 }
< a name = "l00255" > < / a > 00255 < span class = "keywordflow" > goto< / span > tail;
< a name = "l00256" > < / a > 00256 }
< a name = "l00257" > < / a > 00257
< a name = "l00258" > < / a > 00258 < span class = "comment" > /* Output format adjustment, number of decimal digits in buf[] */< / span >
< a name = "l00259" > < / a > 00259 < span class = "keywordflow" > if< / span > (flags & FL_FLTFIX) {
< a name = "l00260" > < / a > 00260 ndigs += exp;
< a name = "l00261" > < / a > 00261 < span class = "keywordflow" > if< / span > ((vtype & < a class = "code" href = "ftoa__engine_8h.html#a75a869972a95fb4f23067f5267ea860f" > FTOA_CARRY< / a > ) & & buf[1] == < span class = "charliteral" > ' 1' < / span > )
< a name = "l00262" > < / a > 00262 ndigs -= 1;
< a name = "l00263" > < / a > 00263 < span class = "keywordflow" > if< / span > ((< span class = "keywordtype" > signed< / span > < span class = "keywordtype" > char< / span > )ndigs < 1)
< a name = "l00264" > < / a > 00264 ndigs = 1;
< a name = "l00265" > < / a > 00265 < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (ndigs > 8)
< a name = "l00266" > < / a > 00266 ndigs = 8;
< a name = "l00267" > < / a > 00267 } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!(flags & < a class = "code" href = "vprintf_8cpp.html#a4118c3d3af25daa2c39fb4aa1d5a4462" > FL_FLTEXP< / a > )) { < span class = "comment" > /* ' g(G)' format */< / span >
< a name = "l00268" > < / a > 00268 < span class = "keywordflow" > if< / span > (exp < = prec & & exp > = -4)
< a name = "l00269" > < / a > 00269 flags |= FL_FLTFIX;
< a name = "l00270" > < / a > 00270 < span class = "keywordflow" > while< / span > (prec & & buf[1+prec] == < span class = "charliteral" > ' 0' < / span > )
< a name = "l00271" > < / a > 00271 prec--;
< a name = "l00272" > < / a > 00272 < span class = "keywordflow" > if< / span > (flags & FL_FLTFIX) {
< a name = "l00273" > < / a > 00273 ndigs = prec + 1; < span class = "comment" > /* number of digits in buf */< / span >
< a name = "l00274" > < / a > 00274 prec = prec > exp
< a name = "l00275" > < / a > 00275 ? prec - exp : 0; < span class = "comment" > /* fractional part length */< / span >
< a name = "l00276" > < / a > 00276 }
< a name = "l00277" > < / a > 00277 }
< a name = "l00278" > < / a > 00278
< a name = "l00279" > < / a > 00279 < span class = "comment" > /* Conversion result length, width := free space length */< / span >
< a name = "l00280" > < / a > 00280 < span class = "keywordflow" > if< / span > (flags & FL_FLTFIX)
< a name = "l00281" > < / a > 00281 n = (exp> 0 ? exp+1 : 1);
< a name = "l00282" > < / a > 00282 < span class = "keywordflow" > else< / span >
< a name = "l00283" > < / a > 00283 n = 5; < span class = "comment" > /* 1e+00 */< / span >
< a name = "l00284" > < / a > 00284 < span class = "keywordflow" > if< / span > (sign) n += 1;
< a name = "l00285" > < / a > 00285 < span class = "keywordflow" > if< / span > (prec) n += prec + 1;
< a name = "l00286" > < / a > 00286 width = width > n ? width - n : 0;
< a name = "l00287" > < / a > 00287
< a name = "l00288" > < / a > 00288 < span class = "comment" > /* Output before first digit */< / span >
< a name = "l00289" > < / a > 00289 < span class = "keywordflow" > if< / span > (!(flags & (< a class = "code" href = "vprintf_8cpp.html#af952bbf75b391b81f9fcd24834117c6d" > FL_LPAD< / a > | < a class = "code" href = "vprintf_8cpp.html#aaad70046054194bb1cbe0673b3c212f2" > FL_ZFILL< / a > ))) {
< a name = "l00290" > < / a > 00290 < span class = "keywordflow" > while< / span > (width) {
< a name = "l00291" > < / a > 00291 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' ' < / span > );
< a name = "l00292" > < / a > 00292 width--;
< a name = "l00293" > < / a > 00293 }
< a name = "l00294" > < / a > 00294 }
< a name = "l00295" > < / a > 00295 < span class = "keywordflow" > if< / span > (sign) < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (sign);
< a name = "l00296" > < / a > 00296 < span class = "keywordflow" > if< / span > (!(flags & < a class = "code" href = "vprintf_8cpp.html#af952bbf75b391b81f9fcd24834117c6d" > FL_LPAD< / a > )) {
< a name = "l00297" > < / a > 00297 < span class = "keywordflow" > while< / span > (width) {
< a name = "l00298" > < / a > 00298 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' 0' < / span > );
< a name = "l00299" > < / a > 00299 width--;
< a name = "l00300" > < / a > 00300 }
< a name = "l00301" > < / a > 00301 }
< a name = "l00302" > < / a > 00302
< a name = "l00303" > < / a > 00303 < span class = "keywordflow" > if< / span > (flags & FL_FLTFIX) { < span class = "comment" > /* ' f' format */< / span >
< a name = "l00304" > < / a > 00304
< a name = "l00305" > < / a > 00305 n = exp > 0 ? exp : 0; < span class = "comment" > /* exponent of left digit */< / span >
< a name = "l00306" > < / a > 00306 < span class = "keywordflow" > do< / span > {
< a name = "l00307" > < / a > 00307 < span class = "keywordflow" > if< / span > (n == -1)
< a name = "l00308" > < / a > 00308 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' .' < / span > );
< a name = "l00309" > < / a > 00309 flags = (n < = exp & & n > exp - ndigs)
< a name = "l00310" > < / a > 00310 ? buf[exp - n + 1] : < span class = "charliteral" > ' 0' < / span > ;
< a name = "l00311" > < / a > 00311 < span class = "keywordflow" > if< / span > (--n < -prec)
< a name = "l00312" > < / a > 00312 < span class = "keywordflow" > break< / span > ;
< a name = "l00313" > < / a > 00313 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (flags);
< a name = "l00314" > < / a > 00314 } < span class = "keywordflow" > while< / span > (1);
< a name = "l00315" > < / a > 00315 < span class = "keywordflow" > if< / span > (n == exp
< a name = "l00316" > < / a > 00316 & & (buf[1] > < span class = "charliteral" > ' 5' < / span >
< a name = "l00317" > < / a > 00317 || (buf[1] == < span class = "charliteral" > ' 5' < / span > & & !(vtype & < a class = "code" href = "ftoa__engine_8h.html#a75a869972a95fb4f23067f5267ea860f" > FTOA_CARRY< / a > ))) )
< a name = "l00318" > < / a > 00318 {
< a name = "l00319" > < / a > 00319 flags = < span class = "charliteral" > ' 1' < / span > ;
< a name = "l00320" > < / a > 00320 }
< a name = "l00321" > < / a > 00321 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (flags);
< a name = "l00322" > < / a > 00322
< a name = "l00323" > < / a > 00323 } < span class = "keywordflow" > else< / span > { < span class = "comment" > /* ' e(E)' format */< / span >
< a name = "l00324" > < / a > 00324
< a name = "l00325" > < / a > 00325 < span class = "comment" > /* mantissa */< / span >
< a name = "l00326" > < / a > 00326 < span class = "keywordflow" > if< / span > (buf[1] != < span class = "charliteral" > ' 1' < / span > )
< a name = "l00327" > < / a > 00327 vtype & = ~FTOA_CARRY;
< a name = "l00328" > < / a > 00328 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (buf[1]);
< a name = "l00329" > < / a > 00329 < span class = "keywordflow" > if< / span > (prec) {
< a name = "l00330" > < / a > 00330 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' .' < / span > );
< a name = "l00331" > < / a > 00331 sign = 2;
< a name = "l00332" > < / a > 00332 < span class = "keywordflow" > do< / span > {
< a name = "l00333" > < / a > 00333 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (buf[sign++]);
< a name = "l00334" > < / a > 00334 } < span class = "keywordflow" > while< / span > (--prec);
< a name = "l00335" > < / a > 00335 }
< a name = "l00336" > < / a > 00336
< a name = "l00337" > < / a > 00337 < span class = "comment" > /* exponent */< / span >
< a name = "l00338" > < / a > 00338 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (flags & < a class = "code" href = "vprintf_8cpp.html#a220f13ec366247f858df3eb7962a8340" > FL_FLTUPP< / a > ? < span class = "charliteral" > ' E' < / span > : < span class = "charliteral" > ' e' < / span > );
< a name = "l00339" > < / a > 00339 ndigs = < span class = "charliteral" > ' +' < / span > ;
< a name = "l00340" > < / a > 00340 < span class = "keywordflow" > if< / span > (exp < 0 || (exp == 0 & & (vtype & < a class = "code" href = "ftoa__engine_8h.html#a75a869972a95fb4f23067f5267ea860f" > FTOA_CARRY< / a > ) != 0)) {
< a name = "l00341" > < / a > 00341 exp = -exp;
< a name = "l00342" > < / a > 00342 ndigs = < span class = "charliteral" > ' -' < / span > ;
< a name = "l00343" > < / a > 00343 }
< a name = "l00344" > < / a > 00344 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (ndigs);
< a name = "l00345" > < / a > 00345 < span class = "keywordflow" > for< / span > (ndigs = < span class = "charliteral" > ' 0' < / span > ; exp > = 10; exp -= 10)
< a name = "l00346" > < / a > 00346 ndigs += 1;
< a name = "l00347" > < / a > 00347 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (ndigs);
< a name = "l00348" > < / a > 00348 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' 0' < / span > + exp);
< a name = "l00349" > < / a > 00349 }
< a name = "l00350" > < / a > 00350
< a name = "l00351" > < / a > 00351 < span class = "keywordflow" > goto< / span > tail;
< a name = "l00352" > < / a > 00352 }
< a name = "l00353" > < / a > 00353
< a name = "l00354" > < / a > 00354 < span class = "comment" > /*< / span >
< a name = "l00355" > < / a > 00355 < span class = "comment" > * Handle string formats c, s, S.< / span >
< a name = "l00356" > < / a > 00356 < span class = "comment" > */< / span >
< a name = "l00357" > < / a > 00357 {
< a name = "l00358" > < / a > 00358 < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > * pnt;
< a name = "l00359" > < / a > 00359 < span class = "keywordtype" > size_t< / span > size;
< a name = "l00360" > < / a > 00360
< a name = "l00361" > < / a > 00361 < span class = "keywordflow" > switch< / span > (c) {
< a name = "l00362" > < / a > 00362
< a name = "l00363" > < / a > 00363 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' c' < / span > :
< a name = "l00364" > < / a > 00364 buf[0] = va_arg (ap, < span class = "keywordtype" > int< / span > );
< a name = "l00365" > < / a > 00365 pnt = (< span class = "keywordtype" > char< / span > *)buf;
< a name = "l00366" > < / a > 00366 size = 1;
< a name = "l00367" > < / a > 00367 < span class = "keywordflow" > goto< / span > no_pgmstring;
< a name = "l00368" > < / a > 00368
< a name = "l00369" > < / a > 00369 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' s' < / span > :
< a name = "l00370" > < / a > 00370 pnt = va_arg (ap, < span class = "keywordtype" > char< / span > *);
< a name = "l00371" > < / a > 00371 size = strnlen (pnt, (flags & < a class = "code" href = "vprintf_8cpp.html#a8c134b2f4722f9b59d3851d0be28dda9" > FL_PREC< / a > ) ? prec : ~0);
< a name = "l00372" > < / a > 00372 no_pgmstring:
< a name = "l00373" > < / a > 00373 flags & = ~FL_PGMSTRING;
< a name = "l00374" > < / a > 00374 < span class = "keywordflow" > goto< / span > str_lpad;
< a name = "l00375" > < / a > 00375
< a name = "l00376" > < / a > 00376 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' S' < / span > :
< a name = "l00377" > < / a > 00377 pgmstring:
< a name = "l00378" > < / a > 00378 pnt = va_arg (ap, < span class = "keywordtype" > char< / span > *);
< a name = "l00379" > < / a > 00379 size = strnlen_P (pnt, (flags & FL_PREC) ? prec : ~0);
< a name = "l00380" > < / a > 00380 flags |= FL_PGMSTRING;
< a name = "l00381" > < / a > 00381
< a name = "l00382" > < / a > 00382 str_lpad:
< a name = "l00383" > < / a > 00383 < span class = "keywordflow" > if< / span > (!(flags & < a class = "code" href = "vprintf_8cpp.html#af952bbf75b391b81f9fcd24834117c6d" > FL_LPAD< / a > )) {
< a name = "l00384" > < / a > 00384 < span class = "keywordflow" > while< / span > (size < width) {
< a name = "l00385" > < / a > 00385 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' ' < / span > );
< a name = "l00386" > < / a > 00386 width--;
< a name = "l00387" > < / a > 00387 }
< a name = "l00388" > < / a > 00388 }
< a name = "l00389" > < / a > 00389 < span class = "keywordflow" > while< / span > (size) {
< a name = "l00390" > < / a > 00390 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< a class = "code" href = "vprintf_8cpp.html#a594135840cf97491063107face7966e4" > GETBYTE< / a > (flags, < a class = "code" href = "vprintf_8cpp.html#a95045f8d69f7ad062c5d2bd4b4e4b6b4" > FL_PGMSTRING< / a > , pnt));
< a name = "l00391" > < / a > 00391 < span class = "keywordflow" > if< / span > (width) width -= 1;
< a name = "l00392" > < / a > 00392 size -= 1;
< a name = "l00393" > < / a > 00393 }
< a name = "l00394" > < / a > 00394 < span class = "keywordflow" > goto< / span > tail;
< a name = "l00395" > < / a > 00395 }
< a name = "l00396" > < / a > 00396 }
< a name = "l00397" > < / a > 00397
< a name = "l00398" > < / a > 00398 < span class = "comment" > /*< / span >
< a name = "l00399" > < / a > 00399 < span class = "comment" > * Handle integer formats variations for d/i, u, o, p, x, X.< / span >
< a name = "l00400" > < / a > 00400 < span class = "comment" > */< / span >
< a name = "l00401" > < / a > 00401 < span class = "keywordflow" > if< / span > (c == < span class = "charliteral" > ' d' < / span > || c == < span class = "charliteral" > ' i' < / span > ) {
< a name = "l00402" > < / a > 00402 < span class = "keywordtype" > long< / span > x = (flags & FL_LONG) ? va_arg(ap,< span class = "keywordtype" > long< / span > ) : va_arg(ap,< span class = "keywordtype" > int< / span > );
< a name = "l00403" > < / a > 00403 flags & = ~(< a class = "code" href = "vprintf_8cpp.html#a753650881115de6d78f9755bfcc777f0" > FL_NEGATIVE< / a > | FL_ALT);
< a name = "l00404" > < / a > 00404 < span class = "keywordflow" > if< / span > (x < 0) {
< a name = "l00405" > < / a > 00405 x = -x;
< a name = "l00406" > < / a > 00406 flags |= FL_NEGATIVE;
< a name = "l00407" > < / a > 00407 }
< a name = "l00408" > < / a > 00408 c = < a class = "code" href = "xtoa__fast_8h.html#a119673a72c9ad0beec652c19541d1b43" > __ultoa_invert< / a > (x, (< span class = "keywordtype" > char< / span > *)buf, 10) - (< span class = "keywordtype" > char< / span > *)buf;
< a name = "l00409" > < / a > 00409
< a name = "l00410" > < / a > 00410 } < span class = "keywordflow" > else< / span > {
< a name = "l00411" > < / a > 00411 < span class = "keywordtype" > int< / span > base;
< a name = "l00412" > < / a > 00412
< a name = "l00413" > < / a > 00413 < span class = "keywordflow" > if< / span > (c == < span class = "charliteral" > ' u' < / span > ) {
< a name = "l00414" > < / a > 00414 flags & = ~FL_ALT;
< a name = "l00415" > < / a > 00415 base = 10;
< a name = "l00416" > < / a > 00416 < span class = "keywordflow" > goto< / span > ultoa;
< a name = "l00417" > < / a > 00417 }
< a name = "l00418" > < / a > 00418
< a name = "l00419" > < / a > 00419 flags & = ~(< a class = "code" href = "vprintf_8cpp.html#a5052dbb513e79cafd4cb51a474526318" > FL_PLUS< / a > | FL_SPACE);
< a name = "l00420" > < / a > 00420
< a name = "l00421" > < / a > 00421 < span class = "keywordflow" > switch< / span > (c) {
< a name = "l00422" > < / a > 00422 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' o' < / span > :
< a name = "l00423" > < / a > 00423 base = 8;
< a name = "l00424" > < / a > 00424 < span class = "keywordflow" > goto< / span > ultoa;
< a name = "l00425" > < / a > 00425 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' p' < / span > :
< a name = "l00426" > < / a > 00426 flags |= FL_ALT;
< a name = "l00427" > < / a > 00427 < span class = "comment" > /* no break */< / span >
< a name = "l00428" > < / a > 00428 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' x' < / span > :
< a name = "l00429" > < / a > 00429 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#a58b1ac5446b292c77043f99558eb07cb" > FL_ALT< / a > )
< a name = "l00430" > < / a > 00430 flags |= FL_ALTHEX;
< a name = "l00431" > < / a > 00431 base = 16;
< a name = "l00432" > < / a > 00432 < span class = "keywordflow" > goto< / span > ultoa;
< a name = "l00433" > < / a > 00433 < span class = "keywordflow" > case< / span > < span class = "charliteral" > ' X' < / span > :
< a name = "l00434" > < / a > 00434 < span class = "keywordflow" > if< / span > (flags & FL_ALT)
< a name = "l00435" > < / a > 00435 flags |= (< a class = "code" href = "vprintf_8cpp.html#ab6ee3505eb9bc230d1d3dc2f8c83e67f" > FL_ALTHEX< / a > | FL_ALTUPP);
< a name = "l00436" > < / a > 00436 base = 16 | XTOA_UPPER;
< a name = "l00437" > < / a > 00437 ultoa:
< a name = "l00438" > < / a > 00438 c = < a class = "code" href = "xtoa__fast_8h.html#a119673a72c9ad0beec652c19541d1b43" > __ultoa_invert< / a > ((flags & < a class = "code" href = "vprintf_8cpp.html#aba9eba8db439010ca11f2fb7607c7c6e" > FL_LONG< / a > )
< a name = "l00439" > < / a > 00439 ? va_arg(ap, < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > long< / span > )
< a name = "l00440" > < / a > 00440 : va_arg(ap, < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > int< / span > ),
< a name = "l00441" > < / a > 00441 (< span class = "keywordtype" > char< / span > *)buf, base) - (< span class = "keywordtype" > char< / span > *)buf;
< a name = "l00442" > < / a > 00442 flags & = ~FL_NEGATIVE;
< a name = "l00443" > < / a > 00443 < span class = "keywordflow" > break< / span > ;
< a name = "l00444" > < / a > 00444
< a name = "l00445" > < / a > 00445 < span class = "keywordflow" > default< / span > :
< a name = "l00446" > < / a > 00446 < span class = "keywordflow" > return< / span > ;
< a name = "l00447" > < / a > 00447 }
< a name = "l00448" > < / a > 00448 }
< a name = "l00449" > < / a > 00449
< a name = "l00450" > < / a > 00450 < span class = "comment" > /*< / span >
< a name = "l00451" > < / a > 00451 < span class = "comment" > * Format integers.< / span >
< a name = "l00452" > < / a > 00452 < span class = "comment" > */< / span >
< a name = "l00453" > < / a > 00453 {
< a name = "l00454" > < / a > 00454 < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > len;
< a name = "l00455" > < / a > 00455
< a name = "l00456" > < / a > 00456 len = c;
< a name = "l00457" > < / a > 00457 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#a8c134b2f4722f9b59d3851d0be28dda9" > FL_PREC< / a > ) {
< a name = "l00458" > < / a > 00458 flags & = ~FL_ZFILL;
< a name = "l00459" > < / a > 00459 < span class = "keywordflow" > if< / span > (len < prec) {
< a name = "l00460" > < / a > 00460 len = prec;
< a name = "l00461" > < / a > 00461 < span class = "keywordflow" > if< / span > ((flags & < a class = "code" href = "vprintf_8cpp.html#a58b1ac5446b292c77043f99558eb07cb" > FL_ALT< / a > ) & & !(flags & FL_ALTHEX))
< a name = "l00462" > < / a > 00462 flags & = ~FL_ALT;
< a name = "l00463" > < / a > 00463 }
< a name = "l00464" > < / a > 00464 }
< a name = "l00465" > < / a > 00465 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#a58b1ac5446b292c77043f99558eb07cb" > FL_ALT< / a > ) {
< a name = "l00466" > < / a > 00466 < span class = "keywordflow" > if< / span > (buf[c-1] == < span class = "charliteral" > ' 0' < / span > ) {
< a name = "l00467" > < / a > 00467 flags & = ~(FL_ALT | < a class = "code" href = "vprintf_8cpp.html#ab6ee3505eb9bc230d1d3dc2f8c83e67f" > FL_ALTHEX< / a > | FL_ALTUPP);
< a name = "l00468" > < / a > 00468 } < span class = "keywordflow" > else< / span > {
< a name = "l00469" > < / a > 00469 len += 1;
< a name = "l00470" > < / a > 00470 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#ab6ee3505eb9bc230d1d3dc2f8c83e67f" > FL_ALTHEX< / a > )
< a name = "l00471" > < / a > 00471 len += 1;
< a name = "l00472" > < / a > 00472 }
< a name = "l00473" > < / a > 00473 } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (flags & (< a class = "code" href = "vprintf_8cpp.html#a753650881115de6d78f9755bfcc777f0" > FL_NEGATIVE< / a > | < a class = "code" href = "vprintf_8cpp.html#a5052dbb513e79cafd4cb51a474526318" > FL_PLUS< / a > | < a class = "code" href = "vprintf_8cpp.html#ab75bdf743821eb031641f604ef84291a" > FL_SPACE< / a > )) {
< a name = "l00474" > < / a > 00474 len += 1;
< a name = "l00475" > < / a > 00475 }
< a name = "l00476" > < / a > 00476
< a name = "l00477" > < / a > 00477 < span class = "keywordflow" > if< / span > (!(flags & < a class = "code" href = "vprintf_8cpp.html#af952bbf75b391b81f9fcd24834117c6d" > FL_LPAD< / a > )) {
< a name = "l00478" > < / a > 00478 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#aaad70046054194bb1cbe0673b3c212f2" > FL_ZFILL< / a > ) {
< a name = "l00479" > < / a > 00479 prec = c;
< a name = "l00480" > < / a > 00480 < span class = "keywordflow" > if< / span > (len < width) {
< a name = "l00481" > < / a > 00481 prec += width - len;
< a name = "l00482" > < / a > 00482 len = width;
< a name = "l00483" > < / a > 00483 }
< a name = "l00484" > < / a > 00484 }
< a name = "l00485" > < / a > 00485 < span class = "keywordflow" > while< / span > (len < width) {
< a name = "l00486" > < / a > 00486 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' ' < / span > );
< a name = "l00487" > < / a > 00487 len++;
< a name = "l00488" > < / a > 00488 }
< a name = "l00489" > < / a > 00489 }
< a name = "l00490" > < / a > 00490
< a name = "l00491" > < / a > 00491 width = (len < width) ? width - len : 0;
< a name = "l00492" > < / a > 00492
< a name = "l00493" > < / a > 00493 < span class = "keywordflow" > if< / span > (flags & FL_ALT) {
< a name = "l00494" > < / a > 00494 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' 0' < / span > );
< a name = "l00495" > < / a > 00495 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#ab6ee3505eb9bc230d1d3dc2f8c83e67f" > FL_ALTHEX< / a > )
< a name = "l00496" > < / a > 00496 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (flags & < a class = "code" href = "vprintf_8cpp.html#a41bcbafa8f3d8487945b6a6ede5df7a2" > FL_ALTUPP< / a > ? < span class = "charliteral" > ' X' < / span > : < span class = "charliteral" > ' x' < / span > );
< a name = "l00497" > < / a > 00497 } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (flags & (< a class = "code" href = "vprintf_8cpp.html#a753650881115de6d78f9755bfcc777f0" > FL_NEGATIVE< / a > | < a class = "code" href = "vprintf_8cpp.html#a5052dbb513e79cafd4cb51a474526318" > FL_PLUS< / a > | < a class = "code" href = "vprintf_8cpp.html#ab75bdf743821eb031641f604ef84291a" > FL_SPACE< / a > )) {
< a name = "l00498" > < / a > 00498 < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > z = < span class = "charliteral" > ' ' < / span > ;
< a name = "l00499" > < / a > 00499 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#a5052dbb513e79cafd4cb51a474526318" > FL_PLUS< / a > ) z = < span class = "charliteral" > ' +' < / span > ;
< a name = "l00500" > < / a > 00500 < span class = "keywordflow" > if< / span > (flags & < a class = "code" href = "vprintf_8cpp.html#a753650881115de6d78f9755bfcc777f0" > FL_NEGATIVE< / a > ) z = < span class = "charliteral" > ' -' < / span > ;
< a name = "l00501" > < / a > 00501 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (z);
< a name = "l00502" > < / a > 00502 }
< a name = "l00503" > < / a > 00503
< a name = "l00504" > < / a > 00504 < span class = "keywordflow" > while< / span > (prec > c) {
< a name = "l00505" > < / a > 00505 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' 0' < / span > );
< a name = "l00506" > < / a > 00506 prec--;
< a name = "l00507" > < / a > 00507 }
< a name = "l00508" > < / a > 00508
< a name = "l00509" > < / a > 00509 < span class = "keywordflow" > do< / span > {
< a name = "l00510" > < / a > 00510 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (buf[--c]);
< a name = "l00511" > < / a > 00511 } < span class = "keywordflow" > while< / span > (c);
< a name = "l00512" > < / a > 00512 }
< a name = "l00513" > < / a > 00513
< a name = "l00514" > < / a > 00514 tail:
< a name = "l00515" > < / a > 00515 < span class = "comment" > /* Tail is possible. */< / span >
< a name = "l00516" > < / a > 00516 < span class = "keywordflow" > while< / span > (width) {
< a name = "l00517" > < / a > 00517 < a class = "code" href = "class_stream.html#a46cd2d80c276134f30300d619416d5c8" > write< / a > (< span class = "charliteral" > ' ' < / span > );
< a name = "l00518" > < / a > 00518 width--;
< a name = "l00519" > < / a > 00519 }
< a name = "l00520" > < / a > 00520 } < span class = "comment" > /* for (;;) */< / span >
< a name = "l00521" > < / a > 00521 }
< / pre > < / div > < / div >
< / div >
2010-12-26 23:23:35 -04:00
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2010-12-26 20:59:17 -04:00
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