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* Added execute permissions to files missed in conversion from CVS
author alexs
date Thu, 08 May 2003 17:42:17 +0000
parents ae236b9a995d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # ====================================================================
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2 #
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3 # stdio.cdl
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4 #
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5 # C library stdio related configuration data
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6 #
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7 # ====================================================================
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8 #####ECOSGPLCOPYRIGHTBEGIN####
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9 ## -------------------------------------------
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10 ## This file is part of eCos, the Embedded Configurable Operating System.
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11 ## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 ##
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13 ## eCos is free software; you can redistribute it and/or modify it under
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14 ## the terms of the GNU General Public License as published by the Free
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15 ## Software Foundation; either version 2 or (at your option) any later version.
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16 ##
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17 ## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 ## WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 ## for more details.
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21 ##
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22 ## You should have received a copy of the GNU General Public License along
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23 ## with eCos; if not, write to the Free Software Foundation, Inc.,
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24 ## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 ##
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26 ## As a special exception, if other files instantiate templates or use macros
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27 ## or inline functions from this file, or you compile this file and link it
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28 ## with other works to produce a work based on this file, this file does not
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29 ## by itself cause the resulting work to be covered by the GNU General Public
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30 ## License. However the source code for this file must still be made available
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31 ## in accordance with section (3) of the GNU General Public License.
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32 ##
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33 ## This exception does not invalidate any other reasons why a work based on
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34 ## this file might be covered by the GNU General Public License.
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35 ##
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36 ## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 ## at http://sources.redhat.com/ecos/ecos-license/
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38 ## -------------------------------------------
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39 #####ECOSGPLCOPYRIGHTEND####
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40 # ====================================================================
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41 ######DESCRIPTIONBEGIN####
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42 #
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43 # Author(s): jlarmour
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44 # Contributors:
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45 # Date: 2000-04-14
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46 #
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47 #####DESCRIPTIONEND####
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48 #
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49 # ====================================================================
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50
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51 cdl_package CYGPKG_LIBC_STDIO {
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52 display "ISO C library standard input/output functions"
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53 description "
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54 This package provides standard input/output functions associated
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55 with the header file <stdio.h> as specified by the
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56 ISO C standard - ISO/IEC 9899:1990."
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57 doc ref/libc.html
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58 include_dir cyg/libc/stdio
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59 parent CYGPKG_LIBC
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60 requires CYGPKG_IO
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61 requires CYGPKG_IO_SERIAL_HALDIAG
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62 requires CYGPKG_LIBC_I18N
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63 implements CYGINT_ISO_STDIO_FILETYPES
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64 implements CYGINT_ISO_STDIO_FILEACCESS
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65 implements CYGINT_ISO_STDIO_FORMATTED_IO
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66 implements CYGINT_ISO_STDIO_CHAR_IO
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67 implements CYGINT_ISO_STDIO_DIRECT_IO
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68 implements CYGINT_ISO_STDIO_ERROR
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69 implements CYGINT_ISO_STDIO_STREAMS
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70 requires { CYGBLD_ISO_STDIO_FILETYPES_HEADER == \
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71 "<cyg/libc/stdio/stdio.h>" }
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72 requires { CYGBLD_ISO_STDIO_FILEACCESS_HEADER == \
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73 "<cyg/libc/stdio/stdio.h>" }
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74 requires { CYGBLD_ISO_STDIO_FORMATTED_IO_HEADER == \
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75 "<cyg/libc/stdio/stdio.h>" }
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76 requires { CYGBLD_ISO_STDIO_CHAR_IO_HEADER == \
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77 "<cyg/libc/stdio/stdio.h>" }
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78 requires { CYGBLD_ISO_STDIO_DIRECT_IO_HEADER == \
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79 "<cyg/libc/stdio/stdio.h>" }
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80 requires { CYGBLD_ISO_STDIO_ERROR_HEADER == \
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81 "<cyg/libc/stdio/stdio.h>" }
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82 requires { CYGBLD_ISO_STDIO_STREAMS_HEADER == \
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83 "<cyg/libc/stdio/stdio.h>" }
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84 requires CYGPKG_ISOINFRA
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85 requires CYGINT_ISO_ERRNO_CODES
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86 requires CYGINT_ISO_ERRNO
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87 requires CYGINT_ISO_STRERROR
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88 requires CYGINT_ISO_STRING_STRFUNCS
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89 requires CYGINT_ISO_STRING_MEMFUNCS
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90 # The following is for scanf only. We could express this better,
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91 # particularly since scanf is also dependent on the optional ungetc.
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92 requires CYGINT_ISO_STDLIB_STRCONV
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93
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94 compile common/fclose.cxx common/feof.cxx \
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95 common/fflush.cxx common/fopen.cxx \
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96 common/freopen.cxx common/setvbuf.cxx \
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97 common/snprintf.cxx common/sprintf.cxx \
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98 common/sscanf.cxx common/stderr.cxx \
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99 common/stdin.cxx common/stdiofiles.cxx \
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100 common/fseek.cxx common/stdioinlines.cxx\
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101 common/stdiosupp.cxx common/stdout.cxx \
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102 common/stream.cxx common/streambuf.cxx \
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103 common/ungetc.cxx common/vsnprintf.cxx \
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104 common/vsscanf.cxx \
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105 \
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106 input/fgetc.cxx input/fgets.cxx \
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107 input/fread.cxx input/fscanf.cxx \
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108 input/gets.cxx input/scanf.cxx \
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109 input/vfscanf.cxx \
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110 \
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111 output/fnprintf.cxx output/fprintf.cxx \
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112 output/fputc.cxx output/fputs.cxx \
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113 output/fwrite.cxx output/printf.cxx \
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114 output/vfnprintf.cxx
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115
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116 # ====================================================================
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117
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118 cdl_option CYGIMP_LIBC_STDIO_INLINES {
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119 display "Inline versions of <stdio.h> functions"
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120 default_value 1
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121 description "
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122 This option chooses whether some of the
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123 particularly simple functions from
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124 <stdio.h> are available as inline
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125 functions. This may improve performance, and as
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126 the functions are small, may even improve code
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127 size."
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128 }
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129
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130 cdl_option FOPEN_MAX {
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131 display "Permitted number of open files"
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132 flavor data
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133 legal_values 3 to 0x7fffffff
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134 default_value 8
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135 description "
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136 This option controls the guaranteed minimum
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137 number of simultaneously open files. The ISO
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138 C standard requires it to be defined (para
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139 7.9.1), and if strictly compliant, it must be
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140 at least 8 (para 7.9.3). In practice it can be
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141 as low as 3 - for stdin, stdout and stderr."
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142 }
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143
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144 cdl_option FILENAME_MAX {
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145 display "Maximum length of filename"
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146 flavor data
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147 legal_values 1 to 0x7fffffff
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148 default_value 16
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149 description "
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150 This option defines the maximum allowed size of
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151 a filename in characters. The ISO C standard
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152 requires it to be defined (para 7.9.1)."
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153 }
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154
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155 cdl_option L_tmpnam {
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156 display "Maximum length of filenames for temporary files"
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157 flavor data
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158 legal_values 1 to 0x7fffffff
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159 default_value 16
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160 description "
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161 This option defines the maximum allowed size of
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162 filenames for temporary files as generated by
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163 tmpnam(). It is measured in characters, and the
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164 ISO C standard requires it to be defined (para
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165 7.9.1)."
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166 }
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167
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168 cdl_option TMP_MAX {
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169 display "Unique file names generated by tmpnam()"
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170 flavor data
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171 legal_values 0 to 0x7fffffff
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172 default_value 0
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173 description "
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174 This option defines the minimum number of
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175 unique file names generated by tmpnam(). The
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176 ISO C standard requires it to be defined (para
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177 7.9.1)."
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178 }
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179
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180 cdl_component CYGSEM_LIBC_STDIO_WANT_BUFFERED_IO {
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181 display "Buffered I/O"
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182 flavor bool
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183 default_value 1
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184 description "
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185 This option controls whether input/output
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186 through the <stdio.h> functions is buffered.
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187 This may save some memory per file. It
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188 is equivalent to putting every file into
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189 non-buffered mode (_IONBF) through setvbuf(),
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190 except now it can never be altered back to
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191 buffered mode. Disabling buffering is strictly
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192 non-compliant with the ISO C standard."
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193
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194 cdl_option CYGNUM_LIBC_STDIO_BUFSIZE {
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195 display "Default buffer size"
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196 flavor data
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197 legal_values 1 to 0x7fffffff
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198 default_value 256
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199 description "
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200 This option defines the default size of buffer
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201 used with calls to setbuf(), and is the default
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202 size for buffered streams that have not had
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203 either setbuf() or setvbuf() invoked on them.
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204 It is exactly equivalent to the standard
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205 constant BUFSIZ, except that it is 0 if
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206 CYGSEM_LIBC_STDIO_WANT_BUFFERED_IO is disabled.
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207 The ISO C standard requires this to be defined
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208 (para 7.9.1), and says it must be at least 256
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209 (para 7.9.2)."
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210 }
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211
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212 cdl_option CYGSEM_LIBC_STDIO_DYNAMIC_SETVBUF {
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213 display "setbuf()/setvbuf() allows dynamic setting"
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214 default_value 1
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215 description "
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216 This option controls whether I/O buffers are
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217 implemented dynamically within the stdio
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218 implementation. Otherwise they will be static,
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219 and cannot be changed by setbuf()/setvbuf(). If
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220 they are static (i.e. this option is disabled),
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221 any attempt to use an arbitrary buffer size, or
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222 to pass a user-supplied buffer to setbuf() or
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223 setvbuf() will fail - the buffer is implemented
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224 internally as a static array taking the size
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225 of the configuration option BUFSIZ. The only
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226 exception is if a user buffer is not supplied,
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227 and the buffer size requested is less than
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228 BUFSIZ. In this case, the buffer will
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229 be configured to only use that amount of
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230 buffering. However the unused memory left over
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231 will NOT be freed. If this option is enabled,
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232 then setvbuf() can be used to assign a user supplied
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233 buffer to the stream.
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234 Either setting can be considered to
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235 be compliant with the ISO C standard."
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236 }
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237
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238 cdl_option CYGSEM_LIBC_STDIO_SETVBUF_MALLOC {
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239 display "setbuf()/setvbuf() uses malloc()"
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240 requires CYGINT_ISO_MALLOC
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241 requires CYGSEM_LIBC_STDIO_DYNAMIC_SETVBUF
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242 default_value { 0 != CYGINT_ISO_MALLOC }
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243 description "
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244 This option controls whether buffers set by setbuf() and
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245 setvbuf() may be allocated using malloc()."
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246 }
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247
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248 }
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249 # Define BUFSIZ with same value as ..._BUFSIZE or 0
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250 cdl_option BUFSIZ {
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251 display "Default buffer size (BUFSIZ)"
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252 flavor data
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253 calculated CYGSEM_LIBC_STDIO_WANT_BUFFERED_IO \
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254 ? "CYGNUM_LIBC_STDIO_BUFSIZE" : 0
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255 }
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256
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257 cdl_option CYGFUN_LIBC_STDIO_ungetc {
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258 display "Support for ungetc()"
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259 default_value 1
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260 description "
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261 This option controls whether ungetc() is
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262 supported. If not, then some space can be
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263 saved, and speed is improved. Note that you
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264 MUST have this defined if you want to use the
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265 scanf() family of functions."
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266 }
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267
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268 cdl_option CYGPKG_LIBC_STDIO_OPEN {
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269 display "Dynamic opening/closing of files"
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270 requires CYGINT_ISO_MALLOC
151
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271 implements CYGINT_ISO_STDIO_POSIX_FDFUNCS
115
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272 default_value { 0 != CYGINT_ISO_MALLOC }
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273 description "
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274 fopen() and fclose() use dynamic memory
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275 allocation routines to allocate memory for
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276 new FILE structure pointers. If a malloc
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277 implementation is available, this option
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278 may be enabled to use
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279 fopen() and fclose(). If disabled, only the
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280 default console streams - stdin, stdout and
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281 stderr - will be available."
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282 }
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283
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284 cdl_option CYGDAT_LIBC_STDIO_DEFAULT_CONSOLE {
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285 display "Default console device"
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286 flavor data
156
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287 default_value CYGDAT_IO_SERIAL_TTY_CONSOLE
115
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288 description "
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289 This option allows you to choose the
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290 default console device. In the current
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291 implementation, all these devices begin
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292 with the prefix /dev/ and are followed by
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293 the name of a device. The name of the device
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294 depends on the device drivers you have
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295 configured in your system. For example,
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296 /dev/ttydiag could be the HAL diagnostic output
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297 pseudo-device, or /dev/tty0 could be your
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298 first serial driver, depending on your
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299 configuration."
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300 }
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301
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302 cdl_component CYGPKG_LIBC_STDIO_FLOATING_POINT {
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303 display "Floating point support"
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304 flavor none
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305 description "
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306 This component allows floating point support
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307 to be enabled in certain standard I/O
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308 functions."
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309
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310 cdl_option CYGSEM_LIBC_STDIO_PRINTF_FLOATING_POINT {
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311 display "printf() family"
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312 requires CYGPKG_LIBM
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313 default_value { 0 != CYGPKG_LIBM }
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314 description "
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315 This option enables the use of floating point
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316 number output in the printf() family (i.e.
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317 printf(), sprintf(), vprintf(), etc.) of
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318 functions. A substantial amount of code space
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319 can be saved if this option is disabled. If it
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320 is disabled then floating point specifiers
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321 (%e, %f, %g) are ignored, and nothing is
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322 output."
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323 }
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324
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325 cdl_option CYGSEM_LIBC_STDIO_SCANF_FLOATING_POINT {
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326 display "scanf() family"
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327 requires CYGPKG_LIBM
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328 requires CYGINT_ISO_STDLIB_STRCONV_FLOAT
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329 default_value { 0 != CYGPKG_LIBM &&
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330 0 != CYGINT_ISO_STDLIB_STRCONV_FLOAT }
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331 description "
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332 This option enables the use of floating point
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333 number conversion in the scanf() family (i.e.
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334 scanf(), sscanf(), vscanf(), etc.) of
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335 functions. A substantial amount of code space
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336 can be saved if this option is disabled. If it
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337 is disabled then floating point specifiers
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338 (%e, %f, %g) are ignored, and nothing is
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339 converted."
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340 }
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341 }
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342
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343 cdl_option CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS {
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344 display "Thread safe I/O streams"
714
ae236b9a995d * cdl/stdio.cdl: Fix doc link.
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345 doc ref/libc-thread-safety.html
115
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346 requires CYGPKG_KERNEL
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347 default_value { 0 != CYGPKG_KERNEL }
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348 description "
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349 This option controls whether standard I/O streams
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350 are thread-safe. Having this option set allows
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351 the streams to be locked when accessed by
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352 multiple threads simultaneously."
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353 }
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354
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355
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356 # ====================================================================
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357
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358 cdl_component CYGPKG_LIBC_STDIO_OPTIONS {
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359 display "C library stdio functions build options"
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360 flavor none
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361 no_define
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362 description "
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363 Package specific build options including control over
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364 compiler flags used only in building this package,
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365 and details of which tests are built."
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366
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367
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368 cdl_option CYGPKG_LIBC_STDIO_CFLAGS_ADD {
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369 display "Additional compiler flags"
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370 flavor data
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371 no_define
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372 default_value { "" }
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373 description "
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374 This option modifies the set of compiler flags for
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375 building the C library. These flags are used in addition
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376 to the set of global flags."
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377 }
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378
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379 cdl_option CYGPKG_LIBC_STDIO_CFLAGS_REMOVE {
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380 display "Suppressed compiler flags"
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381 flavor data
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382 no_define
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383 default_value { "" }
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384 description "
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385 This option modifies the set of compiler flags for
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386 building the C library. These flags are removed from
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387 the set of global flags if present."
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388 }
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389
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390 cdl_option CYGPKG_LIBC_STDIO_TESTS {
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391 display "C library stdio function tests"
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392 flavor data
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393 no_define
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394 calculated { "tests/sprintf1 tests/sprintf2 tests/sscanf tests/stdiooutput" }
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395 description "
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396 This option specifies the set of tests for the C library
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397 stdio functions."
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398 }
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399 }
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400
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401 # ====================================================================
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402
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403 cdl_option CYGPKG_LIBC_STDIO_FILEIO {
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404 display "Enable use of FILEIO package for IO operations."
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405 active_if CYGPKG_IO_FILEIO
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406 requires CYGSEM_LIBC_STDIO_WANT_BUFFERED_IO
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407 calculated 1
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408 }
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409 }
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410
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411 # ====================================================================
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412 # EOF stdio.cdl