fmt_conv.c
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C
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<HTML><HEAD><TITLE>/home/asysweb/public_html/cortex/kernel/src/fmt_conv.c</TITLE></HEAD><BODY><pre><font color="#6920ac">/*************************************************************************/</font><font color="#6920ac">/* */</font><font color="#6920ac">/* Copyright (c) 1997-1999 Australian Real Time Embedded Systems */</font><font color="#6920ac">/* */</font><font color="#6920ac">/* PROPRIETARY RIGHTS of Australian Real Time Embedded Systems */</font><font color="#6920ac">/* are involved in the subject matter of this material. All reproduction,*/</font><font color="#6920ac">/* manufacturing, use, and sales rights pertaining to this subject matter*/</font><font color="#6920ac">/* are governed by the license agreement. The recipient of this software */</font><font color="#6920ac">/* implicitly accepts the terms of the license. */</font><font color="#6920ac">/* */</font><font color="#6920ac">/*************************************************************************/</font><font color="#6920ac">/************************************************************************** * * FILE NAME * * fmt_conv.c * * SYSTEM COMPONENT * * Formatted I/O * * DESCRIPTION * * This file contains internal conversion function for * default format specifiers (%c, %c, %d, etc); * * SERVICES * * frmt_Convert_c - format %c convertion finction * frmt_Convert_s - format %s convertion finction * frmt_Convert_d - format %d convertion finction * frmt_Convert_u - format %u convertion finction * frmt_Convert_o - format %o convertion finction * frmt_Convert_x - format %x convertion finction * frmt_Convert_p - format %p convertion finction * frmt_Convert_n - format %n convertion finction * frmt_Convert_f - format %f convertion finction * frmt_Convert_e - format %e convertion finction * frmt_Convert_g - format %g convertion finction * frmt_Convert_z - format %z convertion finction * frmt_Convert_Z - format %Z convertion finction * frmt_Convert_H - format %H convertion finction * frmt_Convert_Unknown - unknown (unregistered format) * * frmt_PutDec - emit decimal number * frmt_PutStr - emit string * frmt_PutCharPrintable - emit character in readable representation * frmt_PutStrPrintable - emit string in readable representation * * SCCS HISTORY * * @(#)fmt_conv.c 1.5, 03/06/00, 19:21:45 * * AUTHOR * * Vadim N. Azarovsky * * CREATED * * 23-Mar-1997 by Vadim N. Azarovsky * * REVISION HISTORY * * NAME DATE REMARKS * **************************************************************************/</font><b><font color='DarkGreen'>#include</font></b> <a href="fmt_defs.h.FIND-INC"><font color="blue">"fmt_defs.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="fmt_priv.h.FIND-INC"><font color="blue">"fmt_priv.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="ass_defs.h.FIND-INC"><font color="blue">"ass_defs.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="limits.h.FIND-INC"><<font color="blue">limits.h</font>></a><b><font color='DarkGreen'>#include</font></b> <a href="string.h.FIND-INC"><<font color="blue">string.h</font>></a><font color="#6920ac">/* specifier '%c' convertion function */</font><font size="+1"><i>crtx_Int_t</i> <b><font color="azure1"><a name="frmt_Convert_c">frmt_Convert_c</a></font></b>( <i>frmt_SpecDesc_t</i> *pFmt_a){</font> <i>crtx_Int_t</i> n = 0; <a href="CRTX_ASSERT.FIND-DEF">CRTX_ASSERT</a>(pFmt_a) <a href="CRTX_ASSERT.FIND-DEF">CRTX_ASSERT</a>(pFmt_a->pPut) <b>if</b> (pFmt_a->Width == <a href="INT_MIN.FIND-DEF">INT_MIN</a>) pFmt_a->Width = 0; <b>if</b> (pFmt_a->Width < 0) { pFmt_a->Width = - pFmt_a->Width; <a href="vbit_Put.FIND-FUNC">vbit_Put</a>(&pFmt_a->Flags, <font color="DarkGreen">'-'</font>, 1); } <b>if</b> (<a href="vbit_Get.FIND-FUNC">vbit_Get</a>(&pFmt_a->Flags, <font color="DarkGreen">'-'</font>)==0) <a href="FRMT_PAD.FIND-DEF">FRMT_PAD</a>(pFmt_a, pFmt_a->Width-1, <font color="DarkGreen">' '</font>, n); <b>if</b> (pFmt_a-><a href="pPut.FIND-FUNC">pPut</a>(<a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>int</i>), pFmt_a->pEnv)<0) <b>return</b> -1; n++; <b>if</b> (<a href="vbit_Get.FIND-FUNC">vbit_Get</a>(&pFmt_a->Flags, <font color="DarkGreen">'-'</font>)==1) <a href="FRMT_PAD.FIND-DEF">FRMT_PAD</a>(pFmt_a, pFmt_a->Width-1, <font color="DarkGreen">' '</font>, n); <b>return</b> n;}<font color="#6920ac">/* specifier '%z' convertion function */</font><font size="+1"><i>crtx_Int_t</i> <b><font color="azure1"><a name="frmt_Convert_z">frmt_Convert_z</a></font></b>( <i>frmt_SpecDesc_t</i> *pFmt_a){</font> <i>crtx_Int_t</i> n1 = 0, n2; <i>crtx_Char_t</i> Char; <a href="CRTX_ASSERT.FIND-DEF">CRTX_ASSERT</a>(pFmt_a) <a href="CRTX_ASSERT.FIND-DEF">CRTX_ASSERT</a>(pFmt_a->pPut) <b>if</b> (pFmt_a->Width == <a href="INT_MIN.FIND-DEF">INT_MIN</a>) pFmt_a->Width = 0; <b>if</b> (pFmt_a->Width < 0) { pFmt_a->Width = - pFmt_a->Width; <a href="vbit_Put.FIND-FUNC">vbit_Put</a>(&pFmt_a->Flags, <font color="DarkGreen">'-'</font>, 1); } Char = (<i>crtx_Char_t</i>)<a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>int</i>); n2 = <a href="#frmt_PutCharPrintable">frmt_PutCharPrintable</a>(Char, <a href="CRTX_TRUE.FIND-DEF">CRTX_TRUE</a>, pFmt_a); <b>if</b> (<a href="vbit_Get.FIND-FUNC">vbit_Get</a>(&pFmt_a->Flags, <font color="DarkGreen">'-'</font>)==0) <a href="FRMT_PAD.FIND-DEF">FRMT_PAD</a>(pFmt_a, pFmt_a->Width-n2, <font color="DarkGreen">' '</font>, n1); <b>if</b> (<a href="#frmt_PutCharPrintable">frmt_PutCharPrintable</a>(Char, <a href="CRTX_FALSE.FIND-DEF">CRTX_FALSE</a>, pFmt_a) < 0) <b>return</b> -1; n1 += n2; <b>if</b> (<a href="vbit_Get.FIND-FUNC">vbit_Get</a>(&pFmt_a->Flags, <font color="DarkGreen">'-'</font>)==1) <a href="FRMT_PAD.FIND-DEF">FRMT_PAD</a>(pFmt_a, pFmt_a->Width-n2, <font color="DarkGreen">' '</font>, n1); <b>return</b> n1;}<font color="#6920ac">/* specifier '%s' convertion function */</font><font size="+1"><i>crtx_Int_t</i> <b><font color="azure1"><a name="frmt_Convert_s">frmt_Convert_s</a></font></b>( <i>frmt_SpecDesc_t</i> *pFmt_a){</font> <i>crtx_Char_t</i> *pStr = <a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>char</i> *); <b>return</b> <a href="#frmt_PutStr">frmt_PutStr</a>(pStr, <a href="strlen.FIND-FUNC">strlen</a>(pStr), pFmt_a);}<font color="#6920ac">/* specifier '%Z' convertion function */</font><font size="+1"><i>crtx_Int_t</i> <b><font color="azure1"><a name="frmt_Convert_Z">frmt_Convert_Z</a></font></b>( <i>frmt_SpecDesc_t</i> *pFmt_a){</font> <i>crtx_Char_t</i> *pStr = <a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>char</i> *); <b>return</b> <a href="#frmt_PutStrPrintable">frmt_PutStrPrintable</a>(pStr, <a href="strlen.FIND-FUNC">strlen</a>(pStr), pFmt_a);}<font color="#6920ac">/* specifier '%H' convertion function */</font><font size="+1"><i>crtx_Int_t</i> <b><font color="azure1"><a name="frmt_Convert_H">frmt_Convert_H</a></font></b>( <i>frmt_SpecDesc_t</i> *pFmt_a){</font> <i>crtx_Char_t</i> *pData = <a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>char</i> *); <b>return</b> <a href="#frmt_PutDataHex">frmt_PutDataHex</a>(pData, pFmt_a);}<font color="#6920ac">/* specifier '%d' convertion function */</font><font size="+1"><i>crtx_Int_t</i> <b><font color="azure1"><a name="frmt_Convert_d">frmt_Convert_d</a></font></b>( <i>frmt_SpecDesc_t</i> *pFmt_a){</font> <i>crtx_Signed_t</i> Val; <i>crtx_Unsigned_t</i> m; <i>crtx_Char_t</i> Buf[43]; <i>crtx_Char_t</i> *p = Buf + <i>sizeof</i>(Buf); <a href="CRTX_ASSERT.FIND-DEF">CRTX_ASSERT</a>(pFmt_a) <b>if</b> (pFmt_a->LenMod == <font color="DarkGreen">'h'</font> || pFmt_a->LenMod == <font color="DarkGreen">'H'</font>) Val = <a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>short</i> <i>int</i>); <b>else</b> <b>if</b> (pFmt_a->LenMod == <font color="DarkGreen">'l'</font> || pFmt_a->LenMod == <font color="DarkGreen">'L'</font>) Val = <a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>long</i> <i>int</i>); <b>else</b> Val = <a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>int</i>); <b>if</b> (Val == <a href="INT_MIN.FIND-DEF">INT_MIN</a>) m = <a href="INT_MAX.FIND-DEF">INT_MAX</a> + 1U; <b>else</b> <b>if</b> (Val < 0) m = - Val; <b>else</b> m = Val; <b>do</b> { *--p = m%10 + <font color="DarkGreen">'0'</font>; } <b>while</b> ((m /= 10) > 0); <b>if</b> (Val < 0) *--p = <font color="DarkGreen">'-'</font>; pFmt_a->pPrefix = <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>; <b>return</b> <a href="#frmt_PutDec">frmt_PutDec</a> (p, (<i>crtx_Int_t</i>)((Buf + <i>sizeof</i>(Buf)) - p), pFmt_a);}<font color="#6920ac">/* specifier '%u' convertion function */</font><font size="+1"><i>crtx_Int_t</i> <b><font color="azure1"><a name="frmt_Convert_u">frmt_Convert_u</a></font></b>( <i>frmt_SpecDesc_t</i> *pFmt_a){</font> <i>crtx_Unsigned_t</i> m; <i>crtx_Char_t</i> Buf[43]; <i>crtx_Char_t</i> *p = Buf + <i>sizeof</i>(Buf); <a href="CRTX_ASSERT.FIND-DEF">CRTX_ASSERT</a>(pFmt_a) <b>if</b> (pFmt_a->LenMod == <font color="DarkGreen">'h'</font> || pFmt_a->LenMod == <font color="DarkGreen">'H'</font>) m = <a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>unsigned</i> <i>short</i>); <b>else</b> <b>if</b> (pFmt_a->LenMod == <font color="DarkGreen">'l'</font> || pFmt_a->LenMod == <font color="DarkGreen">'L'</font>) m = <a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>unsigned</i> <i>long</i>); <b>else</b> m = <a href="va_arg.FIND-FUNC">va_arg</a>(*(pFmt_a->pArg), <i>unsigned</i> <i>int</i>); <b>do</b> { *--p = m%10 + <font color="DarkGreen">'0'</font>; } <b>while</b> ((m /= 10) > 0); pFmt_a->pPrefix = <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>; <b>return</b> <a href="#frmt_PutDec">frmt_PutDec</a> (p, (<i>crtx_Int_t</i>)((Buf + <i>sizeof</i>(Buf)) - p), pFmt_a);}<font color="#6920ac">/* specifier '%o' convertion function */</font><font size="+1"><i>crtx_Int_t</i> <b><font color="azure1"><a name="frmt_Convert_o">frmt_Convert_o</a></font></b>( <i>frmt_SpecDesc_t</i> *pFmt_a){</font> <i>crtx_Unsigned_t</i> m; <i>crtx_Char_t</i> Buf[44]; <i>crtx_Char_t</i> *p = Buf + <i>sizeof</i>(Buf); <a href="CRTX_ASSERT.FIND-DEF">CRTX_ASSERT</a>(pFmt_a) <b>if</b> (pFmt_a->LenMod == <font color="DarkGreen">'h'</font> || pFmt_a->LenMod == <font color="DarkGreen">'H'</font>)⌨️ 快捷键说明
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