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1 #ifndef CYGONCE_LIBC_STDIO_H |
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2 #define CYGONCE_LIBC_STDIO_H |
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3 //======================================================================== |
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4 // |
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5 // stdio.h |
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6 // |
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7 // ISO C standard I/O routines - with some POSIX 1003.1 extensions |
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8 // |
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9 //======================================================================== |
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10 //####COPYRIGHTBEGIN#### |
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11 // |
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12 // ------------------------------------------- |
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13 // The contents of this file are subject to the Cygnus eCos Public License |
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14 // Version 1.0 (the "License"); you may not use this file except in |
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15 // compliance with the License. You may obtain a copy of the License at |
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16 // http://sourceware.cygnus.com/ecos |
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17 // |
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18 // Software distributed under the License is distributed on an "AS IS" |
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19 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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20 // License for the specific language governing rights and limitations under |
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21 // the License. |
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22 // |
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23 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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24 // September 30, 1998. |
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25 // |
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26 // The Initial Developer of the Original Code is Cygnus. Portions created |
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27 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. |
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28 // ------------------------------------------- |
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29 // |
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30 //####COPYRIGHTEND#### |
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31 //======================================================================== |
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32 //#####DESCRIPTIONBEGIN#### |
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33 // |
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34 // Author(s): jlarmour |
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35 // Contributors: jlarmour@cygnus.co.uk |
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36 // Date: 1998-02-13 |
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37 // Purpose: |
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38 // Description: |
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39 // Usage: #include <stdio.h> |
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40 // |
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41 //####DESCRIPTIONEND#### |
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42 // |
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43 //======================================================================== |
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44 |
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45 // CONFIGURATION |
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46 |
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47 #include <pkgconf/libc.h> // Configuration header |
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48 |
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49 // Include the C library? |
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50 #ifdef CYGPKG_LIBC |
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51 |
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52 // INCLUDES |
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53 |
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54 #include <cyg/infra/cyg_type.h> // common type definitions and support |
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55 #include <stddef.h> // NULL and size_t from compiler |
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56 #include <stdarg.h> // va_list from compiler |
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57 #include <sys/file_if.h> // FILE definition |
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58 |
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59 // CONSTANTS |
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60 |
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61 // Some of these values are odd to ensure that asserts have better effect |
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62 // should spurious values be passed to functions expecting these constants. |
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63 |
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64 // _IOFBF, _IOLBF, and _IONBF specify full, line or no buffering when used |
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65 // with setvbuf() - ISO C standard chap 7.9.1 |
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66 |
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67 #define _IOFBF (-2) |
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68 #define _IOLBF (-4) |
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69 #define _IONBF (-8) |
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70 |
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71 // EOF is a macro defined to any negative integer constant - ISO C standard |
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72 // chap. 7.9.1 |
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73 #define EOF (-1) |
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74 |
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75 // SEEK_CUR, SEEK_END and SEEK_SET are used with fseek() as position |
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76 // anchors - ISO C standard chap. 7.9.1 |
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77 #define SEEK_CUR (-16) |
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78 #define SEEK_END (-32) |
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79 #define SEEK_SET (-64) |
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80 |
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81 |
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82 // TYPE DEFINITIONS |
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83 |
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84 // A type capable of specifying uniquely every file position - ISO C |
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85 // standard chap 7.9.1 |
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86 typedef cyg_ucount32 fpos_t; |
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87 |
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88 |
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89 // EXTERNAL VARIABLES |
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90 |
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91 // Default file streams for input/output. These only need to be |
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92 // expressions, not l-values - ISO C standard chap. 7.9.1 |
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93 |
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94 externC FILE *stdin, *stdout, *stderr; |
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95 |
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96 // FUNCTION PROTOTYPES |
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97 |
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98 //======================================================================== |
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99 |
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100 // ISO C 7.9.5 File access functions |
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101 |
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102 externC int |
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103 fclose( FILE * /* stream */ ); |
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104 |
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105 externC int |
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106 fflush( FILE * /* stream */ ); |
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107 |
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108 externC FILE * |
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109 fopen( const char * /* filename */, const char * /* mode */ ); |
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110 |
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111 externC FILE * |
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112 freopen( const char * /* filename */, const char * /* mode */, |
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113 FILE * /* stream */ ); |
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114 |
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115 externC void |
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116 setbuf( FILE * /* stream */, char * /* buffer */ ); |
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117 |
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118 externC int |
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119 setvbuf( FILE * /* stream */, char * /* buffer */, int /* mode */, |
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120 size_t /* size */ ); |
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121 |
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122 //======================================================================== |
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123 |
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124 // ISO C 7.9.6 Formatted input/output functions |
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125 |
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126 externC int |
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127 fprintf( FILE * /* stream */, const char * /* format */, ... ); |
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128 |
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129 externC int |
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130 fscanf( FILE * /* stream */, const char * /* format */, ... ); |
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131 |
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132 externC int |
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133 printf( const char * /* format */, ... ); |
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134 |
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135 externC int |
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136 scanf( const char * /* format */, ... ); |
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137 |
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138 externC int |
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139 sprintf( char * /* str */, const char * /* format */, ... ); |
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140 |
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141 externC int |
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142 sscanf( const char * /* str */, const char * /* format */, ... ); |
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143 |
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144 externC int |
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145 vfprintf( FILE * /* stream */, const char * /* format */, |
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146 va_list /* args */ ); |
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147 |
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148 externC int |
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149 vprintf( const char * /* format */, va_list /* args */ ); |
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150 |
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151 externC int |
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152 vsprintf( char * /* str */, const char * /* format */, |
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153 va_list /* args */ ); |
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154 |
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155 //======================================================================== |
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156 |
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157 // ISO C 7.9.7 Character input/output functions |
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158 |
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159 externC int |
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160 fgetc( FILE * /* stream */ ); |
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161 |
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162 externC char * |
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163 fgets( char * /* str */, int /* length */, FILE * /* stream */ ); |
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164 |
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165 externC int |
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166 fputc( int /* c */, FILE * /* stream */ ); |
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167 |
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168 externC int |
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169 fputs( const char * /* str */, FILE * /* stream */ ); |
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170 |
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171 // no function equivalent is required for these, so we can just #define |
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172 // them |
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173 |
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174 #define getc( __stream ) fgetc( __stream ) |
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175 |
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176 #define getchar() fgetc( stdin ) |
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177 |
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178 externC char * |
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179 gets( char * ); |
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180 |
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181 #define putc(__c, __stream) fputc(__c, __stream) |
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182 |
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183 #define putchar(__c) fputc(__c, stdout) |
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184 |
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185 externC int |
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186 puts( const char * /* str */ ); |
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187 |
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188 externC int |
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189 ungetc( int /* c */, FILE * /* stream */ ); |
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190 |
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191 //======================================================================== |
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192 |
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193 // ISO C 7.9.8 Direct input/output functions |
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194 |
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195 externC size_t |
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196 fread( void * /* ptr */, size_t /* object_size */, |
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197 size_t /* num_objects */, FILE * /* stream */ ); |
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198 |
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199 externC size_t |
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200 fwrite( const void * /* ptr */, size_t /* object_size */, |
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201 size_t /* num_objects */, FILE * /* stream */ ); |
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202 |
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203 |
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204 //======================================================================== |
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205 |
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206 // ISO C 7.9.10 Error-handling functions |
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207 |
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208 externC void |
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209 clearerr( FILE * /* stream */ ); |
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210 |
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211 externC int |
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212 feof( FILE * /* stream */ ); |
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213 |
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214 externC int |
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215 ferror( FILE * /* stream */ ); |
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216 |
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217 externC void |
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218 perror( const char * /* prefix_str */ ); |
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219 |
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220 //======================================================================== |
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221 |
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222 // Other non-ISO C functions |
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223 |
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224 externC int |
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225 fnprintf( FILE * /* stream */, size_t /* length */, |
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226 const char * /* format */, ... ); |
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227 |
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228 externC int |
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229 snprintf( char * /* str */, size_t /* length */, const char * /* format */, |
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230 ... ); |
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231 |
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232 externC int |
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233 vfnprintf( FILE * /* stream */, size_t /* length */, |
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234 const char * /* format */, va_list /* args */ ); |
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235 |
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236 externC int |
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237 vsnprintf( char * /* str */, size_t /* length */, |
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238 const char * /* format */, va_list /* args */ ); |
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239 |
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240 externC int |
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241 vscanf( const char * /* format */, va_list /* args */ ); |
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242 |
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243 externC int |
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244 vsscanf( const char * /* str */, const char * /* format */, |
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245 va_list /* args */ ); |
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246 |
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247 externC int |
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248 vfscanf( FILE * /* stream */, const char * /* format */, |
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249 va_list /* args */ ); |
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250 |
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251 |
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252 // INLINE FUNCTIONS |
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253 |
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254 #ifdef CYGIMP_LIBC_STDIO_INLINES |
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255 #include <stdio.inl> |
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256 #endif |
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257 |
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258 #endif // ifdef CYGPKG_LIBC |
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259 |
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260 #endif // CYGONCE_LIBC_STDIO_H multiple inclusion protection |
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261 |
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262 // EOF stdio.h |
