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1 //=========================================================================== |
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2 // |
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3 // stdioinlines.cxx |
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4 // |
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5 // ANSI standard I/O routines - real alternatives for inlined functions |
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6 // |
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7 //=========================================================================== |
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8 //####COPYRIGHTBEGIN#### |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Cygnus eCos Public License |
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12 // Version 1.0 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://sourceware.cygnus.com/ecos |
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15 // |
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16 // Software distributed under the License is distributed on an "AS IS" |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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22 // September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Cygnus. Portions created |
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25 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. |
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26 // ------------------------------------------- |
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27 // |
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28 //####COPYRIGHTEND#### |
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29 //=========================================================================== |
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30 //#####DESCRIPTIONBEGIN#### |
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31 // |
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32 // Author(s): jlarmour |
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33 // Contributors: jlarmour@cygnus.co.uk |
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34 // Date: 1998-02-13 |
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35 // Purpose: |
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36 // Description: |
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37 // Usage: |
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38 // |
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39 //####DESCRIPTIONEND#### |
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40 // |
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41 //=========================================================================== |
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42 |
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43 // CONFIGURATION |
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44 |
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45 #include <pkgconf/libc.h> // Configuration header |
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46 |
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47 // Include the C library? And do we want the stdio stuff? |
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48 #if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO) |
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49 |
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50 // INCLUDES |
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51 |
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52 // We don't want the inline versions of stdio functions defined here |
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53 |
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54 #ifdef CYGIMP_LIBC_STDIO_INLINES |
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55 #undef CYGIMP_LIBC_STDIO_INLINES |
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56 #endif |
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57 |
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58 #include <cyg/infra/cyg_type.h> // Common type definitions and support |
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59 #include <stddef.h> // NULL and size_t from compiler |
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60 #include <stdarg.h> // va_list |
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61 #include <stdio.h> // Header for this file |
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62 #include <errno.h> // Definition of error codes and errno |
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63 #include <string.h> // Definition of strerror() for perror() |
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64 #include <limits.h> // INT_MAX |
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65 #include "clibincl/stdiosupp.hxx" // Support for stdio |
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66 |
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67 |
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68 // EXPORTED SYMBOLS |
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69 |
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70 externC void |
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71 setbuf( FILE *, char * ) CYGPRI_LIBC_WEAK_ALIAS("_setbuf"); |
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72 |
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73 externC int |
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74 vfprintf( FILE *, const char *, va_list ) CYGPRI_LIBC_WEAK_ALIAS("_vfprintf"); |
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75 |
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76 externC int |
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77 vprintf( const char *, va_list ) CYGPRI_LIBC_WEAK_ALIAS("_vprintf"); |
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78 |
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79 externC int |
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80 vsprintf( char *, const char *, va_list ) CYGPRI_LIBC_WEAK_ALIAS("_vsprintf"); |
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81 |
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82 externC int |
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83 puts( const char *s ) CYGPRI_LIBC_WEAK_ALIAS("_puts"); |
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84 |
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85 externC void |
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86 perror( const char * ) CYGPRI_LIBC_WEAK_ALIAS("_perror"); |
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87 |
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88 #ifdef CYGFUN_LIBC_STDIO_ungetc |
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89 externC int |
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90 vscanf( const char *, va_list ) CYGPRI_LIBC_WEAK_ALIAS("_vscanf"); |
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91 #endif |
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92 |
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93 // FUNCTIONS |
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94 |
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95 //=========================================================================== |
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96 |
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97 // 7.9.5 File access functions |
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98 |
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99 externC void |
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100 _setbuf( FILE *stream, char *buf ) |
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101 { |
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102 if (buf == NULL) |
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103 _setvbuf( stream, NULL, _IOFBF, BUFSIZE ); |
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104 else |
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105 _setvbuf( stream, buf, _IONBF, BUFSIZE ); |
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106 |
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107 } // _setbuf() |
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108 |
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109 //=========================================================================== |
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110 |
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111 // 7.9.6 Formatted input/output functions |
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112 |
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113 |
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114 externC int |
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115 _vfprintf( FILE *stream, const char *format, va_list arg ) |
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116 { |
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117 return _vfnprintf(stream, INT_MAX, format, arg); |
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118 } // _vfprintf() |
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119 |
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120 |
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121 externC int |
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122 _vprintf( const char *format, va_list arg) |
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123 { |
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124 return _vfnprintf( stdout, INT_MAX, format, arg ); |
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125 } // _vprintf() |
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126 |
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127 |
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128 externC int |
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129 _vsprintf( char *s, const char *format, va_list arg ) |
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130 { |
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131 return _vsnprintf(s, INT_MAX, format, arg); |
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132 } // _vsprintf() |
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133 |
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134 |
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135 //=========================================================================== |
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136 |
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137 // 7.9.7 Character input/output functions |
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138 |
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139 externC int |
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140 _puts( const char *s ) |
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141 { |
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142 int rc; |
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143 |
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144 rc = _fputs( s, stdout ); |
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145 |
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146 if (rc >= 0) |
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147 rc = _fputc('\n', stdout ); |
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148 |
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149 return rc; |
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150 } // _puts() |
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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 // 7.9.10 Error-handling functions |
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156 |
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157 externC void |
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158 _perror( const char *s ) |
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159 { |
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160 if (s && *s) |
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161 _fprintf( stderr, "%s: %s\n", s, strerror(errno) ); |
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162 else |
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163 _fputs( strerror(errno), stderr ); |
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164 |
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165 } // _perror() |
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166 |
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167 //=========================================================================== |
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168 |
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169 // Other non-ANSI functions |
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170 |
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171 #ifdef CYGFUN_LIBC_STDIO_ungetc |
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172 externC int |
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173 _vscanf( const char *format, va_list arg ) |
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174 { |
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175 return _vfscanf( stdin, format, arg ); |
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176 } // _vscanf() |
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177 #endif |
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178 |
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179 #endif // if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO) |
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180 |
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181 // EOF stdioinlines.cxx |
