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annotate packages/net/httpd/current/include/httpd.h @ 468:ca4f29d41b18

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Created new HTTPD package.
author nickg
date Sun, 22 Dec 2002 11:09:00 +0000
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children 06b38a628db3
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1 #ifndef CYGONCE_NET_HTTPD_HTTPD_H
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2 #define CYGONCE_NET_HTTPD_HTTPD_H
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3 /* =================================================================
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4 *
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5 * httpd.h
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6 *
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7 * A simple embedded HTTP server
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8 *
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9 * =================================================================
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10 * ####ECOSGPLCOPYRIGHTBEGIN####
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11 * -------------------------------------------
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12 * This file is part of eCos, the Embedded Configurable Operating
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13 * System.
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14 * Copyright (C) 2002 Nick Garnett
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15 *
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16 * eCos is free software; you can redistribute it and/or modify it
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17 * under the terms of the GNU General Public License as published by
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18 * the Free Software Foundation; either version 2 or (at your option)
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19 * any later version.
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20 *
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21 * eCos is distributed in the hope that it will be useful, but
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22 * WITHOUT ANY WARRANTY; without even the implied warranty of
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23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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24 * General Public License for more details.
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25 *
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26 * You should have received a copy of the GNU General Public License
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27 * along with eCos; if not, write to the Free Software Foundation,
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28 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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29 *
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30 * As a special exception, if other files instantiate templates or
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31 * use macros or inline functions from this file, or you compile this
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32 * file and link it with other works to produce a work based on this
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33 * file, this file does not by itself cause the resulting work to be
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34 * covered by the GNU General Public License. However the source code
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35 * for this file must still be made available in accordance with
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36 * section (3) of the GNU General Public License.
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37 *
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38 * This exception does not invalidate any other reasons why a work
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39 * based on this file might be covered by the GNU General Public
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40 * License.
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41 *
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42 * -------------------------------------------
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43 * ####ECOSGPLCOPYRIGHTEND####
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44 * =================================================================
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45 * #####DESCRIPTIONBEGIN####
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46 *
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47 * Author(s): nickg@calivar.com
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48 * Contributors: nickg@calivar.com
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49 * Date: 2002-10-14
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50 * Purpose:
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51 * Description:
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52 *
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53 * ####DESCRIPTIONEND####
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54 *
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55 * =================================================================
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56 */
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57
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58 #include <pkgconf/system.h>
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59 #include <pkgconf/isoinfra.h>
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60 #include <pkgconf/httpd.h>
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61
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62 #include <cyg/hal/hal_tables.h>
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63
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64 #include <stdio.h>
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65
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66 /* ================================================================= */
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67 /* Lookup Table
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68 *
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69 *
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70 */
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71
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72 typedef cyg_bool cyg_httpd_handler(FILE *client, char *filename,
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73 char *formdata, void *arg);
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74
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75 struct cyg_httpd_table_entry
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76 {
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77 char *pattern;
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78 cyg_httpd_handler *handler;
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79 void *arg;
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80 } CYG_HAL_TABLE_TYPE;
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81
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82 typedef struct cyg_httpd_table_entry cyg_httpd_table_entry;
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83
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84 #define CYG_HTTPD_TABLE_ENTRY( __name, __pattern, __handler, __arg ) \
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85 cyg_httpd_table_entry __name CYG_HAL_TABLE_ENTRY( httpd_table ) = { __pattern, __handler, __arg }
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86
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87 /* ================================================================= */
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88 /* Useful handler functions
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89 */
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90
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91 /* ----------------------------------------------------------------- */
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92 /*
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93 */
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94
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95 __externC int cyg_httpd_send_html( FILE *client, char *filename,
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96 char *request, void *arg );
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97
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98 /* ----------------------------------------------------------------- */
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99 /*
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100 */
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101
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102 typedef struct
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103 {
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104 char *content_type;
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105 cyg_uint32 content_length;
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106 cyg_uint8 *data;
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107 } cyg_httpd_data;
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108
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109 __externC int cyg_httpd_send_data( FILE *client, char *filename,
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110 char *request, void *arg );
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111
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112 #define CYG_HTTPD_DATA( __name, __type, __length, __data ) \
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113 cyg_httpd_data __name = { __type, __length, __data }
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114
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115 /* ================================================================= */
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116 /* HTTP and HTML helper macros and functions
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117 */
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118
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119 /* ----------------------------------------------------------------- */
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120 /* HTTP header support
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121 *
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122 * cyg_http_start() sends an HTTP header with the given content type
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123 * and length. cyg_http_finish() terminates an HTTP send.
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124 * html_begin() starts an HTML document, and html_end() finishes it.
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125 */
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126
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127 __externC void cyg_http_start( FILE *client, char *content_type,
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128 int content_length );
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129 __externC void cyg_http_finish( FILE *client );
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130
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131 #define html_begin(__client) \
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132 cyg_http_start( __client, "text/html", 0 ); \
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133 html_tag_begin( __client, "html", "" )
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134
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135 #define html_end( __client ) \
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136 html_tag_end( __client, "html" ); \
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137 cyg_http_finish( client )
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138
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139 /* ----------------------------------------------------------------- */
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140 /*
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141 */
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142
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143
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144 __externC void cyg_html_tag_begin( FILE *client, char *tag, char *attr );
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145 __externC void cyg_html_tag_end( FILE *client, char *tag );
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146
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147 #define html_tag_begin( __client, __tag, __attr ) \
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148 cyg_html_tag_begin( __client, __tag, __attr )
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149
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150 #define html_tag_end( __client, __tag ) cyg_html_tag_end( __client, __tag )
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151
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152
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153 /* ----------------------------------------------------------------- */
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154 /*
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155 */
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156
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157
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158 #define html_head( __client, __title, __meta ) \
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159 { \
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160 fprintf(__client, "<%s><%s>", "head", "title" ); \
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161 fputs( __title, __client ); \
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162 fprintf(__client, "</%s>%s</%s>\n", "title", __meta, "head"); \
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163 }
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164
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165 #define html_body_begin( __client, __attr ) \
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166 cyg_html_tag_begin( __client, "body", __attr );
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167
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168 #define html_body_end( __client ) \
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169 cyg_html_tag_end( __client, "body" );
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170
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171 #define html_heading( __client, __level, __heading ) \
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172 fprintf(__client,"<h%d>%s</h%d>\n",__level,__heading,__level);
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173
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174 /* ----------------------------------------------------------------- */
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175 /*
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176 */
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177
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178
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179 #define html_url( __client, __text, __link ) \
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180 fprintf( __client, "<a href=\"%s\">%s</a>\n",__link,__text);
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181
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182 #define html_para_begin( __client, __attr ) \
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183 cyg_html_tag_begin( __client, "p", __attr );
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184
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185 #define html_image( __client, __source, __alt, __attr ) \
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186 fprintf( __client, "<%s %s=\"%s\" %s=\"%s\" %s>\n", "img", \
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187 "src",__source, \
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188 "alt",__alt, \
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189 (__attr)?(__attr):"" );
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190
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191 /* ----------------------------------------------------------------- */
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192 /*
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193 */
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194
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195
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196 #define html_table_begin( __client, __attr ) \
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197 cyg_html_tag_begin( __client, "table", __attr );
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198
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199 #define html_table_end( __client ) \
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200 cyg_html_tag_end( __client, "table" );
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201
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202 #define html_table_header( __client, __content, __attr ) \
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203 { \
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204 cyg_html_tag_begin( __client, "th", __attr); \
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205 fputs( __content, __client ); \
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206 cyg_html_tag_end( __client, "th" ); \
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207 }
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208
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209 #define html_table_row_begin( __client, __attr ) \
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210 cyg_html_tag_begin( __client, "tr", __attr );
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211
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212 #define html_table_row_end( __client ) \
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213 cyg_html_tag_end( __client, "tr" );
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214
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215 #define html_table_data_begin( __client, __attr ) \
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216 cyg_html_tag_begin( __client, "td", __attr );
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217
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218 #define html_table_data_end( __client ) \
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219 cyg_html_tag_end( __client, "td" );
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220
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221 /* ----------------------------------------------------------------- */
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222 /*
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223 */
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224
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225
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226 #define html_form_begin( __client, __url, __attr ) \
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227 fprintf(__client, "<%s %s=\"%s\" %s>\n","form", \
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228 "action",__url, \
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229 (__attr)?(__attr):"" );
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230
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231 #define html_form_end( __client ) \
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232 cyg_html_tag_end( __client, "form" );
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233
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234 #define html_form_input( __client, __type, __name, __value, __attr ) \
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235 { \
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236 char *__lattr = (__attr); \
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237 fprintf(__client, "<%s %s=\"%s\" %s=\"%s\" %s=\"%s\" %s>\n","input", \
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238 "type",__type, \
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239 "name",__name, \
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240 "value",__value, \
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241 __lattr?__lattr:"" ); \
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242 }
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243
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244 #define html_form_input_radio( __client, __name, __value, __checked ) \
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245 html_form_input( __client, "radio", __name, __value, (__checked)?"checked":"" )
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246
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247 #define html_form_input_checkbox( __client, __name, __value, __checked ) \
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248 html_form_input( __client, "checkbox", __name, __value, (__checked)?"checked":"" )
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249
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250 #define html_form_input_hidden( __client, __name, __value ) \
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251 html_form_input( __client, "hidden", __name, __value, "" )
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252
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253 #define html_form_select_begin( __client, __name, __attr ) \
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254 fprintf( __client, "<%s %s=\"%s\" %s>\n","select", \
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255 "name",__name, \
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256 (__attr)?(__attr):"" );
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257
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258 #define html_form_option( __client, __value, __label, __selected ) \
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259 fprintf( __client, "<%s %s=\"%s\" %s>\n","option", \
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260 "value", __value, \
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261 (__selected)?"selected":"" ); \
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262 fputs(__label, __client );
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263
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264 #define html_form_select_end( __client ) \
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265 cyg_html_tag_end( __client, "select" );
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266
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267
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268 /* ================================================================= */
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269 /*
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270 */
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271
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272
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273 __externC void cyg_formdata_parse( char *data, char *list[], int size );
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274
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275 __externC char *cyg_formlist_find( char *list[], char *name );
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276
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277 /* ----------------------------------------------------------------- */
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278 #endif /* CYGONCE_NET_HTTPD_HTTPD_H */
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279 /* end of httpd.c */