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548 | serge | 1 | /**************************************************************************** |
2 | * |
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3 | * Open Watcom Project |
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4 | * |
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5 | * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
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6 | * |
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7 | * ======================================================================== |
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8 | * |
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9 | * This file contains Original Code and/or Modifications of Original |
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10 | * Code as defined in and that are subject to the Sybase Open Watcom |
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11 | * Public License version 1.0 (the 'License'). You may not use this file |
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12 | * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
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13 | * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
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14 | * provided with the Original Code and Modifications, and is also |
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15 | * available at www.sybase.com/developer/opensource. |
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16 | * |
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17 | * The Original Code and all software distributed under the License are |
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18 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
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19 | * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
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20 | * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
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21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
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22 | * NON-INFRINGEMENT. Please see the License for the specific language |
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23 | * governing rights and limitations under the License. |
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24 | * |
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25 | * ======================================================================== |
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26 | * |
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27 | * Description: Functions to set up argc and argv parameters of main(), etc. |
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28 | * |
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29 | ****************************************************************************/ |
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30 | #define __NETWARE__ |
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31 | |||
32 | #ifdef __NETWARE__ |
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33 | void __Init_Argv( void ) { } |
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34 | void __Fini_Argv( void ) { } |
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35 | #else |
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36 | //#include "dll.h" // needs to be first |
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37 | #include "variety.h" |
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38 | #include "widechar.h" |
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39 | #include |
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40 | #include |
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41 | #include |
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42 | #include |
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43 | //#include "liballoc.h" |
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44 | #include "initarg.h" |
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45 | |||
46 | extern int __historical_splitparms; |
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47 | extern void _Not_Enough_Memory( void ); /* 25-jul-89 */ |
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48 | static unsigned _SplitParms(int, CHAR_TYPE *, CHAR_TYPE **, CHAR_TYPE ** ); |
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49 | _WCRTLINKD static CHAR_TYPE *__F_NAME(__CmdLine,__wCmdLine); /* cmdline buffer */ |
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50 | |||
51 | _WCRTLINK void *__F_NAME( _getargv, _wgetargv )( |
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52 | int historical, CHAR_TYPE *exe, CHAR_TYPE *cmd, |
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53 | int *pargc, CHAR_TYPE ***pargv ); |
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54 | |||
55 | void __F_NAME(__Init_Argv,__wInit_Argv)( void ) |
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56 | { |
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57 | __F_NAME( __CmdLine, __wCmdLine ) = __F_NAME( _getargv, _wgetargv )( |
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58 | __historical_splitparms, |
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59 | __F_NAME( _LpPgmName, _LpwPgmName ), __F_NAME( _LpCmdLine, _LpwCmdLine ), |
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60 | &__F_NAME( _argc, _wargc ), &__F_NAME( _argv, _wargv ) ); |
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61 | |||
62 | __F_NAME( __argc, __wargc ) = __F_NAME( _argc, _wargc ); |
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63 | __F_NAME( ___Argc, ___wArgc ) = __F_NAME( _argc, _wargc ); |
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64 | __F_NAME( __argv, __wargv ) = __F_NAME( _argv, _wargv ); |
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65 | __F_NAME( ___Argv, ___wArgv ) = __F_NAME( _argv, _wargv ); |
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66 | } |
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67 | |||
68 | _WCRTLINK void *__F_NAME( _getargv, _wgetargv )( |
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69 | int historical, CHAR_TYPE *exe, CHAR_TYPE *cmd, |
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70 | int *pargc, CHAR_TYPE ***pargv ) |
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71 | { |
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72 | unsigned argc; /* argument count */ |
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73 | CHAR_TYPE **argv; /* Actual arguments */ |
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74 | CHAR_TYPE *endptr; /* ptr to end of command line */ |
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75 | unsigned len; /* length of command line */ |
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76 | CHAR_TYPE *cmdline; /* copy of command line */ |
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77 | unsigned size; /* amount to allocate */ |
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78 | unsigned argv_offset; /* offset of argv in storage */ |
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79 | |||
80 | argc = _SplitParms( historical, cmd, NULL, &endptr ) + 1; |
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81 | len = (unsigned) ( endptr - cmd ) + 1; |
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82 | argv_offset = __ALIGN_SIZE(len * sizeof(CHAR_TYPE)); |
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83 | size = argv_offset + (argc+1) * sizeof(CHAR_TYPE *); |
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84 | // round up size for alignment of argv pointer |
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85 | size = __ALIGN_SIZE( size ); |
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86 | |||
87 | #if defined(__REAL_MODE__) && defined(__BIG_DATA__) |
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88 | #if defined(__OS2_286__) |
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89 | if( _osmode == DOS_MODE ) { |
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90 | cmdline = lib_nmalloc( size ); |
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91 | if( (void _WCI86NEAR *) cmdline == NULL ) { |
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92 | cmdline = lib_malloc( size ); |
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93 | } |
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94 | } else { |
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95 | cmdline = lib_malloc( size ); |
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96 | } |
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97 | #else |
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98 | cmdline = lib_nmalloc( size ); |
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99 | if( (void _WCI86NEAR *) cmdline == NULL ) { |
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100 | cmdline = lib_malloc( size ); |
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101 | } |
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102 | #endif |
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103 | #else |
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104 | cmdline = lib_malloc( size ); |
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105 | #endif |
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106 | argv = NULL; |
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107 | argc = 0; |
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108 | if( cmdline ) { |
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109 | memcpy( cmdline, cmd, len * sizeof(CHAR_TYPE) ); |
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110 | argv = (void *) ( ( ( char*) cmdline ) + argv_offset ); |
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111 | argv[0] = exe; |
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112 | argc = _SplitParms( historical, cmdline, argv + 1, &endptr ) + 1; |
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113 | argv[argc] = NULL; |
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114 | } |
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115 | *pargc = argc; |
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116 | *pargv = argv; |
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117 | return( cmdline ); |
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118 | } |
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119 | |||
120 | |||
121 | static unsigned _SplitParms( int historical, CHAR_TYPE *p, CHAR_TYPE **argv, CHAR_TYPE **endptr ) |
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122 | { |
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123 | register unsigned argc; |
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124 | register CHAR_TYPE *start; |
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125 | register CHAR_TYPE *new; |
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126 | enum QUOTE_STATE { |
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127 | QUOTE_NONE, /* no " active in current parm */ |
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128 | QUOTE_DELIMITER, /* " was first char and must be last */ |
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129 | QUOTE_STARTED /* " was seen, look for a match */ |
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130 | }; |
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131 | register enum QUOTE_STATE state; |
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132 | |||
133 | argc = 0; |
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134 | for(;;) { |
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135 | while( *p == ' ' || *p == '\t' ) { |
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136 | ++p; /* skip over blanks or tabs */ |
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137 | } |
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138 | if( *p == '\0' ) break; |
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139 | /* we are at the start of a parm */ |
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140 | state = QUOTE_NONE; |
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141 | if( *p == '\"' ) { |
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142 | p++; |
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143 | state = QUOTE_DELIMITER; |
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144 | } |
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145 | new = start = p; |
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146 | for(;;) { |
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147 | if( *p == '\"' ) { |
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148 | if( !historical ) { |
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149 | p++; |
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150 | if( state == QUOTE_NONE ) { |
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151 | state = QUOTE_STARTED; |
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152 | } else { |
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153 | state = QUOTE_NONE; |
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154 | } |
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155 | continue; |
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156 | } else { |
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157 | if( state == QUOTE_DELIMITER ) { |
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158 | break; |
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159 | } |
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160 | } |
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161 | } |
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162 | if( *p == ' ' || *p == '\t' ) { |
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163 | if( state == QUOTE_NONE ) { |
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164 | break; |
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165 | } |
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166 | } |
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167 | if( *p == '\0' ) break; |
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168 | if( *p == '\\' ) { |
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169 | if( !historical ) { |
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170 | if( p[1] == '\"' ) { |
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171 | ++p; |
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172 | if( p[-2] == '\\' ) { |
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173 | continue; |
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174 | } |
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175 | } |
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176 | } else { |
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177 | if( p[1] == '\"' || p[1] == '\\' && state == QUOTE_DELIMITER ) { |
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178 | ++p; |
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179 | } |
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180 | } |
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181 | } |
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182 | if( argv ) { |
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183 | *(new++) = *p; |
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184 | } |
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185 | ++p; |
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186 | } |
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187 | if( argv ) { |
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188 | argv[ argc ] = start; |
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189 | ++argc; |
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190 | |||
191 | /* |
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192 | The *new = '\0' is req'd in case there was a \" to " |
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193 | translation. It must be after the *p check against |
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194 | '\0' because new and p could point to the same char |
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195 | in which case the scan would be terminated too soon. |
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196 | */ |
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197 | |||
198 | if( *p == '\0' ) { |
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199 | *new = '\0'; |
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200 | break; |
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201 | } |
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202 | *new = '\0'; |
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203 | ++p; |
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204 | } else { |
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205 | ++argc; |
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206 | if( *p == '\0' ) { |
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207 | break; |
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208 | } |
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209 | ++p; |
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210 | } |
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211 | } |
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212 | *endptr = p; |
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213 | return( argc ); |
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214 | } |
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215 | |||
216 | void __F_NAME(__Fini_Argv,__wFini_Argv)( void ) |
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217 | { |
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218 | if( __F_NAME(__CmdLine,__wCmdLine) != NULL ) { |
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219 | lib_free( __F_NAME(__CmdLine,__wCmdLine) ); |
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220 | } |
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221 | } |
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222 | #endif |