265
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1 /* A GNU-like <stdio.h>.
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2
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3 Copyright (C) 2004, 2007-2008 Free Software Foundation, Inc.
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4
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5 This program is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 2, or (at your option)
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8 any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program; if not, write to the Free Software Foundation,
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17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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18
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19 #if __GNUC__ >= 3
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20 @PRAGMA_SYSTEM_HEADER@
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21 #endif
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22
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23 #if defined __need_FILE || defined __need___FILE
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24 /* Special invocation convention inside glibc header files. */
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25
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26 #@INCLUDE_NEXT@ @NEXT_STDIO_H@
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27
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28 #else
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29 /* Normal invocation convention. */
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30
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31 #ifndef _GL_STDIO_H
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32
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33 /* The include_next requires a split double-inclusion guard. */
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34 #@INCLUDE_NEXT@ @NEXT_STDIO_H@
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35
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36 #ifndef _GL_STDIO_H
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37 #define _GL_STDIO_H
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38
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39 #include <stdarg.h>
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40 #include <stddef.h>
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41
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42 #if (@GNULIB_FSEEKO@ && @REPLACE_FSEEKO@) \
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43 || (@GNULIB_FTELLO@ && @REPLACE_FTELLO@) \
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44 || (@GNULIB_GETDELIM@ && !@HAVE_DECL_GETDELIM@) \
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45 || (@GNULIB_GETLINE@ && (!@HAVE_DECL_GETLINE@ || @REPLACE_GETLINE@))
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46 /* Get off_t and ssize_t. */
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47 # include <sys/types.h>
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48 #endif
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49
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50 #ifndef __attribute__
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51 /* This feature is available in gcc versions 2.5 and later. */
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52 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
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53 # define __attribute__(Spec) /* empty */
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54 # endif
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55 /* The __-protected variants of `format' and `printf' attributes
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56 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
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57 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
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58 # define __format__ format
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59 # define __printf__ printf
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60 # endif
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61 #endif
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62
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63
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64 /* The definition of GL_LINK_WARNING is copied here. */
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65
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66
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67 #ifdef __cplusplus
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68 extern "C" {
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69 #endif
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70
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71
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72 #if @GNULIB_FPRINTF_POSIX@
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73 # if @REPLACE_FPRINTF@
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74 # define fprintf rpl_fprintf
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75 extern int fprintf (FILE *fp, const char *format, ...)
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76 __attribute__ ((__format__ (__printf__, 2, 3)));
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77 # endif
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78 #elif @GNULIB_FPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
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79 # define fprintf rpl_fprintf
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80 extern int fprintf (FILE *fp, const char *format, ...)
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81 __attribute__ ((__format__ (__printf__, 2, 3)));
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82 #elif defined GNULIB_POSIXCHECK
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83 # undef fprintf
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84 # define fprintf \
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85 (GL_LINK_WARNING ("fprintf is not always POSIX compliant - " \
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86 "use gnulib module fprintf-posix for portable " \
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87 "POSIX compliance"), \
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88 fprintf)
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89 #endif
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90
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91 #if @GNULIB_VFPRINTF_POSIX@
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92 # if @REPLACE_VFPRINTF@
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93 # define vfprintf rpl_vfprintf
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94 extern int vfprintf (FILE *fp, const char *format, va_list args)
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95 __attribute__ ((__format__ (__printf__, 2, 0)));
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96 # endif
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97 #elif @GNULIB_VFPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
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98 # define vfprintf rpl_vfprintf
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99 extern int vfprintf (FILE *fp, const char *format, va_list args)
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100 __attribute__ ((__format__ (__printf__, 2, 0)));
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101 #elif defined GNULIB_POSIXCHECK
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102 # undef vfprintf
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103 # define vfprintf(s,f,a) \
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104 (GL_LINK_WARNING ("vfprintf is not always POSIX compliant - " \
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105 "use gnulib module vfprintf-posix for portable " \
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106 "POSIX compliance"), \
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107 vfprintf (s, f, a))
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108 #endif
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109
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110 #if @GNULIB_PRINTF_POSIX@
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111 # if @REPLACE_PRINTF@
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112 /* Don't break __attribute__((format(printf,M,N))). */
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113 # define printf __printf__
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114 extern int printf (const char *format, ...)
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115 __attribute__ ((__format__ (__printf__, 1, 2)));
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116 # endif
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117 #elif @GNULIB_PRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
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118 /* Don't break __attribute__((format(printf,M,N))). */
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119 # define printf __printf__
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120 extern int printf (const char *format, ...)
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121 __attribute__ ((__format__ (__printf__, 1, 2)));
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122 #elif defined GNULIB_POSIXCHECK
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123 # undef printf
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124 # define printf \
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125 (GL_LINK_WARNING ("printf is not always POSIX compliant - " \
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126 "use gnulib module printf-posix for portable " \
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127 "POSIX compliance"), \
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128 printf)
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129 /* Don't break __attribute__((format(printf,M,N))). */
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130 # define format(kind,m,n) format (__##kind##__, m, n)
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131 # define __format__(kind,m,n) __format__ (__##kind##__, m, n)
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132 # define ____printf____ __printf__
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133 # define ____scanf____ __scanf__
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134 # define ____strftime____ __strftime__
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135 # define ____strfmon____ __strfmon__
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136 #endif
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137
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138 #if @GNULIB_VPRINTF_POSIX@
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139 # if @REPLACE_VPRINTF@
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140 # define vprintf rpl_vprintf
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141 extern int vprintf (const char *format, va_list args)
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142 __attribute__ ((__format__ (__printf__, 1, 0)));
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143 # endif
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144 #elif @GNULIB_VPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
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145 # define vprintf rpl_vprintf
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146 extern int vprintf (const char *format, va_list args)
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147 __attribute__ ((__format__ (__printf__, 1, 0)));
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148 #elif defined GNULIB_POSIXCHECK
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149 # undef vprintf
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150 # define vprintf(f,a) \
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151 (GL_LINK_WARNING ("vprintf is not always POSIX compliant - " \
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152 "use gnulib module vprintf-posix for portable " \
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153 "POSIX compliance"), \
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154 vprintf (f, a))
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155 #endif
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156
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157 #if @GNULIB_SNPRINTF@
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158 # if @REPLACE_SNPRINTF@
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159 # define snprintf rpl_snprintf
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160 # endif
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161 # if @REPLACE_SNPRINTF@ || !@HAVE_DECL_SNPRINTF@
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162 extern int snprintf (char *str, size_t size, const char *format, ...)
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163 __attribute__ ((__format__ (__printf__, 3, 4)));
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164 # endif
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165 #elif defined GNULIB_POSIXCHECK
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166 # undef snprintf
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167 # define snprintf \
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168 (GL_LINK_WARNING ("snprintf is unportable - " \
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169 "use gnulib module snprintf for portability"), \
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170 snprintf)
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171 #endif
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172
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173 #if @GNULIB_VSNPRINTF@
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174 # if @REPLACE_VSNPRINTF@
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175 # define vsnprintf rpl_vsnprintf
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176 # endif
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177 # if @REPLACE_VSNPRINTF@ || !@HAVE_DECL_VSNPRINTF@
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178 extern int vsnprintf (char *str, size_t size, const char *format, va_list args)
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179 __attribute__ ((__format__ (__printf__, 3, 0)));
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180 # endif
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181 #elif defined GNULIB_POSIXCHECK
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182 # undef vsnprintf
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183 # define vsnprintf(b,s,f,a) \
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184 (GL_LINK_WARNING ("vsnprintf is unportable - " \
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185 "use gnulib module vsnprintf for portability"), \
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186 vsnprintf (b, s, f, a))
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187 #endif
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188
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189 #if @GNULIB_SPRINTF_POSIX@
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190 # if @REPLACE_SPRINTF@
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191 # define sprintf rpl_sprintf
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192 extern int sprintf (char *str, const char *format, ...)
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193 __attribute__ ((__format__ (__printf__, 2, 3)));
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194 # endif
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195 #elif defined GNULIB_POSIXCHECK
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196 # undef sprintf
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197 # define sprintf \
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198 (GL_LINK_WARNING ("sprintf is not always POSIX compliant - " \
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199 "use gnulib module sprintf-posix for portable " \
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200 "POSIX compliance"), \
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201 sprintf)
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202 #endif
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203
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204 #if @GNULIB_VSPRINTF_POSIX@
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205 # if @REPLACE_VSPRINTF@
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206 # define vsprintf rpl_vsprintf
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207 extern int vsprintf (char *str, const char *format, va_list args)
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208 __attribute__ ((__format__ (__printf__, 2, 0)));
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209 # endif
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210 #elif defined GNULIB_POSIXCHECK
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211 # undef vsprintf
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212 # define vsprintf(b,f,a) \
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213 (GL_LINK_WARNING ("vsprintf is not always POSIX compliant - " \
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214 "use gnulib module vsprintf-posix for portable " \
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215 "POSIX compliance"), \
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216 vsprintf (b, f, a))
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217 #endif
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218
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219 #if @GNULIB_DPRINTF@
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220 # if @REPLACE_DPRINTF@
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221 # define dprintf rpl_dprintf
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222 # endif
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223 # if @REPLACE_DPRINTF@ || !@HAVE_DPRINTF@
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224 extern int dprintf (int fd, const char *format, ...)
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225 __attribute__ ((__format__ (__printf__, 2, 3)));
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226 # endif
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227 #elif defined GNULIB_POSIXCHECK
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228 # undef dprintf
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229 # define dprintf(d,f,a) \
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230 (GL_LINK_WARNING ("dprintf is unportable - " \
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231 "use gnulib module dprintf for portability"), \
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232 dprintf (d, f, a))
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233 #endif
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234
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235 #if @GNULIB_VDPRINTF@
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236 # if @REPLACE_VDPRINTF@
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237 # define vdprintf rpl_vdprintf
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238 # endif
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239 # if @REPLACE_VDPRINTF@ || !@HAVE_VDPRINTF@
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240 extern int vdprintf (int fd, const char *format, va_list args)
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241 __attribute__ ((__format__ (__printf__, 2, 0)));
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242 # endif
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243 #elif defined GNULIB_POSIXCHECK
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244 # undef vdprintf
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245 # define vdprintf(d,f,a) \
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246 (GL_LINK_WARNING ("vdprintf is unportable - " \
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247 "use gnulib module vdprintf for portability"), \
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248 vdprintf (d, f, a))
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249 #endif
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250
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251 #if @GNULIB_VASPRINTF@
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252 # if @REPLACE_VASPRINTF@
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253 # define asprintf rpl_asprintf
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254 # define vasprintf rpl_vasprintf
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255 # endif
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256 # if @REPLACE_VASPRINTF@ || !@HAVE_VASPRINTF@
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257 /* Write formatted output to a string dynamically allocated with malloc().
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258 If the memory allocation succeeds, store the address of the string in
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259 *RESULT and return the number of resulting bytes, excluding the trailing
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260 NUL. Upon memory allocation error, or some other error, return -1. */
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261 extern int asprintf (char **result, const char *format, ...)
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262 __attribute__ ((__format__ (__printf__, 2, 3)));
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263 extern int vasprintf (char **result, const char *format, va_list args)
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264 __attribute__ ((__format__ (__printf__, 2, 0)));
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265 # endif
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266 #endif
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267
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268 #if @GNULIB_OBSTACK_PRINTF@
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269 # if @REPLACE_OBSTACK_PRINTF@
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270 # define obstack_printf rpl_osbtack_printf
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271 # define obstack_vprintf rpl_obstack_vprintf
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272 # endif
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273 # if @REPLACE_OBSTACK_PRINTF@ || !@HAVE_DECL_OBSTACK_PRINTF@
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274 struct obstack;
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275 /* Grow an obstack with formatted output. Return the number of
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276 bytes added to OBS. No trailing nul byte is added, and the
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277 object should be closed with obstack_finish before use. Upon
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278 memory allocation error, call obstack_alloc_failed_handler. Upon
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279 other error, return -1. */
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280 extern int obstack_printf (struct obstack *obs, const char *format, ...)
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281 __attribute__ ((__format__ (__printf__, 2, 3)));
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282 extern int obstack_vprintf (struct obstack *obs, const char *format,
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283 va_list args)
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284 __attribute__ ((__format__ (__printf__, 2, 0)));
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285 # endif
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286 #endif
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287
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288 #if @GNULIB_FOPEN@
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289 # if @REPLACE_FOPEN@
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290 # undef fopen
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291 # define fopen rpl_fopen
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292 extern FILE * fopen (const char *filename, const char *mode);
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293 # endif
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294 #elif defined GNULIB_POSIXCHECK
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295 # undef fopen
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296 # define fopen(f,m) \
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297 (GL_LINK_WARNING ("fopen on Win32 platforms is not POSIX compatible - " \
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298 "use gnulib module fopen for portability"), \
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299 fopen (f, m))
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300 #endif
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301
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302 #if @GNULIB_FREOPEN@
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303 # if @REPLACE_FREOPEN@
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304 # undef freopen
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305 # define freopen rpl_freopen
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306 extern FILE * freopen (const char *filename, const char *mode, FILE *stream);
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307 # endif
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308 #elif defined GNULIB_POSIXCHECK
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309 # undef freopen
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310 # define freopen(f,m,s) \
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311 (GL_LINK_WARNING ("freopen on Win32 platforms is not POSIX compatible - " \
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312 "use gnulib module freopen for portability"), \
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313 freopen (f, m, s))
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314 #endif
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315
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316 #if @GNULIB_FSEEKO@
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317 # if @REPLACE_FSEEKO@
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318 /* Provide fseek, fseeko functions that are aware of a preceding
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319 fflush(), and which detect pipes. */
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320 # define fseeko rpl_fseeko
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321 extern int fseeko (FILE *fp, off_t offset, int whence);
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322 # define fseek(fp, offset, whence) fseeko (fp, (off_t)(offset), whence)
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323 # endif
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324 #elif defined GNULIB_POSIXCHECK
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325 # undef fseeko
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326 # define fseeko(f,o,w) \
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327 (GL_LINK_WARNING ("fseeko is unportable - " \
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328 "use gnulib module fseeko for portability"), \
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329 fseeko (f, o, w))
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330 #endif
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331
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332 #if @GNULIB_FSEEK@ && @REPLACE_FSEEK@
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333 extern int rpl_fseek (FILE *fp, long offset, int whence);
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334 # undef fseek
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335 # if defined GNULIB_POSIXCHECK
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336 # define fseek(f,o,w) \
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337 (GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
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338 "on 32-bit platforms - " \
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339 "use fseeko function for handling of large files"), \
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340 rpl_fseek (f, o, w))
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341 # else
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342 # define fseek rpl_fseek
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343 # endif
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344 #elif defined GNULIB_POSIXCHECK
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345 # ifndef fseek
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346 # define fseek(f,o,w) \
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347 (GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
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348 "on 32-bit platforms - " \
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349 "use fseeko function for handling of large files"), \
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350 fseek (f, o, w))
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351 # endif
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352 #endif
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353
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354 #if @GNULIB_FTELLO@
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355 # if @REPLACE_FTELLO@
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356 # define ftello rpl_ftello
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357 extern off_t ftello (FILE *fp);
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358 # define ftell(fp) ftello (fp)
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359 # endif
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360 #elif defined GNULIB_POSIXCHECK
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361 # undef ftello
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362 # define ftello(f) \
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363 (GL_LINK_WARNING ("ftello is unportable - " \
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364 "use gnulib module ftello for portability"), \
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365 ftello (f))
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366 #endif
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367
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368 #if @GNULIB_FTELL@ && @REPLACE_FTELL@
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369 extern long rpl_ftell (FILE *fp);
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370 # undef ftell
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371 # if GNULIB_POSIXCHECK
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372 # define ftell(f) \
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373 (GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
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374 "on 32-bit platforms - " \
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375 "use ftello function for handling of large files"), \
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376 rpl_ftell (f))
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377 # else
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378 # define ftell rpl_ftell
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379 # endif
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380 #elif defined GNULIB_POSIXCHECK
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381 # ifndef ftell
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382 # define ftell(f) \
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383 (GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
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384 "on 32-bit platforms - " \
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385 "use ftello function for handling of large files"), \
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386 ftell (f))
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387 # endif
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388 #endif
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389
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390 #if @GNULIB_FFLUSH@
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391 # if @REPLACE_FFLUSH@
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392 # define fflush rpl_fflush
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393 /* Flush all pending data on STREAM according to POSIX rules. Both
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394 output and seekable input streams are supported.
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395 Note! LOSS OF DATA can occur if fflush is applied on an input stream
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396 that is _not_seekable_ or on an update stream that is _not_seekable_
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397 and in which the most recent operation was input. Seekability can
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398 be tested with lseek(fileno(fp),0,SEEK_CUR). */
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399 extern int fflush (FILE *gl_stream);
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400 # endif
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401 #elif defined GNULIB_POSIXCHECK
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402 # undef fflush
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403 # define fflush(f) \
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404 (GL_LINK_WARNING ("fflush is not always POSIX compliant - " \
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405 "use gnulib module fflush for portable " \
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406 "POSIX compliance"), \
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407 fflush (f))
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408 #endif
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409
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410 #if @GNULIB_FCLOSE@
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411 # if @REPLACE_FCLOSE@
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412 # define fclose rpl_fclose
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413 /* Close STREAM and its underlying file descriptor. */
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414 extern int fclose (FILE *stream);
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415 # endif
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416 #elif defined GNULIB_POSIXCHECK
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417 # undef fclose
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418 # define fclose(f) \
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419 (GL_LINK_WARNING ("fclose is not always POSIX compliant - " \
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420 "use gnulib module fclose for portable " \
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421 "POSIX compliance"), \
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422 fclose (f))
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423 #endif
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424
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425 #if @GNULIB_FPUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
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426 # undef fputc
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427 # define fputc rpl_fputc
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428 extern int fputc (int c, FILE *stream);
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429 #endif
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430
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431 #if @GNULIB_PUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
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432 # undef putc
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433 # define putc rpl_fputc
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434 extern int putc (int c, FILE *stream);
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435 #endif
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436
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437 #if @GNULIB_PUTCHAR@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
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438 # undef putchar
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439 # define putchar rpl_putchar
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440 extern int putchar (int c);
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441 #endif
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442
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443 #if @GNULIB_FPUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
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444 # undef fputs
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445 # define fputs rpl_fputs
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446 extern int fputs (const char *string, FILE *stream);
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447 #endif
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448
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449 #if @GNULIB_PUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
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450 # undef puts
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451 # define puts rpl_puts
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452 extern int puts (const char *string);
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453 #endif
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454
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455 #if @GNULIB_FWRITE@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
|
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456 # undef fwrite
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457 # define fwrite rpl_fwrite
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458 extern size_t fwrite (const void *ptr, size_t s, size_t n, FILE *stream);
|
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459 #endif
|
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460
|
|
461 #if @GNULIB_GETDELIM@
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462 # if !@HAVE_DECL_GETDELIM@
|
|
463 /* Read input, up to (and including) the next occurrence of DELIMITER, from
|
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464 STREAM, store it in *LINEPTR (and NUL-terminate it).
|
|
465 *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE
|
|
466 bytes of space. It is realloc'd as necessary.
|
|
467 Return the number of bytes read and stored at *LINEPTR (not including the
|
|
468 NUL terminator), or -1 on error or EOF. */
|
|
469 extern ssize_t getdelim (char **lineptr, size_t *linesize, int delimiter,
|
|
470 FILE *stream);
|
|
471 # endif
|
|
472 #elif defined GNULIB_POSIXCHECK
|
|
473 # undef getdelim
|
|
474 # define getdelim(l, s, d, f) \
|
|
475 (GL_LINK_WARNING ("getdelim is unportable - " \
|
|
476 "use gnulib module getdelim for portability"), \
|
|
477 getdelim (l, s, d, f))
|
|
478 #endif
|
|
479
|
|
480 #if @GNULIB_GETLINE@
|
|
481 # if @REPLACE_GETLINE@
|
|
482 # undef getline
|
|
483 # define getline rpl_getline
|
|
484 # endif
|
|
485 # if !@HAVE_DECL_GETLINE@ || @REPLACE_GETLINE@
|
|
486 /* Read a line, up to (and including) the next newline, from STREAM, store it
|
|
487 in *LINEPTR (and NUL-terminate it).
|
|
488 *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE
|
|
489 bytes of space. It is realloc'd as necessary.
|
|
490 Return the number of bytes read and stored at *LINEPTR (not including the
|
|
491 NUL terminator), or -1 on error or EOF. */
|
|
492 extern ssize_t getline (char **lineptr, size_t *linesize, FILE *stream);
|
|
493 # endif
|
|
494 #elif defined GNULIB_POSIXCHECK
|
|
495 # undef getline
|
|
496 # define getline(l, s, f) \
|
|
497 (GL_LINK_WARNING ("getline is unportable - " \
|
|
498 "use gnulib module getline for portability"), \
|
|
499 getline (l, s, f))
|
|
500 #endif
|
|
501
|
|
502 #if @GNULIB_PERROR@
|
|
503 # if @REPLACE_PERROR@
|
|
504 # define perror rpl_perror
|
|
505 /* Print a message to standard error, describing the value of ERRNO,
|
|
506 (if STRING is not NULL and not empty) prefixed with STRING and ": ",
|
|
507 and terminated with a newline. */
|
|
508 extern void perror (const char *string);
|
|
509 # endif
|
|
510 #elif defined GNULIB_POSIXCHECK
|
|
511 # undef perror
|
|
512 # define perror(s) \
|
|
513 (GL_LINK_WARNING ("perror is not always POSIX compliant - " \
|
|
514 "use gnulib module perror for portability"), \
|
|
515 perror (s))
|
|
516 #endif
|
|
517
|
|
518 #ifdef __cplusplus
|
|
519 }
|
|
520 #endif
|
|
521
|
|
522 #endif /* _GL_STDIO_H */
|
|
523 #endif /* _GL_STDIO_H */
|
|
524 #endif
|