434
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1 /* A GNU-like <stdlib.h>.
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2
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3 Copyright (C) 1995, 2001-2004, 2006-2010 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 3 of the License, or
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8 (at your option) 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, see <http://www.gnu.org/licenses/>. */
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17
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18 #if __GNUC__ >= 3
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19 @PRAGMA_SYSTEM_HEADER@
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20 #endif
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21
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22 #if defined __need_malloc_and_calloc
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23 /* Special invocation convention inside glibc header files. */
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24
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25 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
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26
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27 #else
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28 /* Normal invocation convention. */
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29
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30 #ifndef _GL_STDLIB_H
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31
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32 /* The include_next requires a split double-inclusion guard. */
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33 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
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34
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35 #ifndef _GL_STDLIB_H
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36 #define _GL_STDLIB_H
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37
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38 /* NetBSD 5.0 mis-defines NULL. */
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39 #include <stddef.h>
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40
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41 /* Solaris declares getloadavg() in <sys/loadavg.h>. */
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42 #if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
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43 # include <sys/loadavg.h>
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44 #endif
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45
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46 /* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
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47 from <stdlib.h> if _REENTRANT is defined. Include it always. */
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48 #if @HAVE_RANDOM_H@
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49 # include <random.h>
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50 #endif
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51
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52 #if !@HAVE_STRUCT_RANDOM_DATA@ || (@GNULIB_RANDOM_R@ && !@HAVE_RANDOM_R@) \
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53 || defined GNULIB_POSIXCHECK
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54 # include <stdint.h>
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55 #endif
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56
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57 #if !@HAVE_STRUCT_RANDOM_DATA@
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58 struct random_data
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59 {
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60 int32_t *fptr; /* Front pointer. */
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61 int32_t *rptr; /* Rear pointer. */
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62 int32_t *state; /* Array of state values. */
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63 int rand_type; /* Type of random number generator. */
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64 int rand_deg; /* Degree of random number generator. */
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65 int rand_sep; /* Distance between front and rear. */
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66 int32_t *end_ptr; /* Pointer behind state table. */
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67 };
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68 #endif
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69
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70 #if (@GNULIB_MKSTEMP@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__
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71 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
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72 /* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
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73 /* But avoid namespace pollution on glibc systems. */
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74 # include <unistd.h>
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75 #endif
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76
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77 /* The definition of GL_LINK_WARNING is copied here. */
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78
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79 /* The definition of _GL_ARG_NONNULL is copied here. */
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80
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81
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82 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */
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83 #ifndef EXIT_SUCCESS
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84 # define EXIT_SUCCESS 0
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85 #endif
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86 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
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87 with proper operation of xargs. */
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88 #ifndef EXIT_FAILURE
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89 # define EXIT_FAILURE 1
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90 #elif EXIT_FAILURE != 1
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91 # undef EXIT_FAILURE
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92 # define EXIT_FAILURE 1
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93 #endif
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94
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95
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96 #ifdef __cplusplus
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97 extern "C" {
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98 #endif
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99
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100 #if @GNULIB_ATOLL@
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101 # if !@HAVE_ATOLL@
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102 /* Parse a signed decimal integer.
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103 Returns the value of the integer. Errors are not detected. */
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104 extern long long atoll (const char *string) _GL_ARG_NONNULL ((1));
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105 # endif
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106 #elif defined GNULIB_POSIXCHECK
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107 # undef atoll
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108 # define atoll(s) \
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109 (GL_LINK_WARNING ("atoll is unportable - " \
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110 "use gnulib module atoll for portability"), \
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111 atoll (s))
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112 #endif
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113
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114 #if @GNULIB_CALLOC_POSIX@
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115 # if !@HAVE_CALLOC_POSIX@
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116 # undef calloc
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117 # define calloc rpl_calloc
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118 extern void * calloc (size_t nmemb, size_t size);
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119 # endif
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120 #elif defined GNULIB_POSIXCHECK
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121 # undef calloc
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122 # define calloc(n,s) \
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123 (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
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124 "use gnulib module calloc-posix for portability"), \
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125 calloc (n, s))
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126 #endif
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127
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128 #if @GNULIB_CANONICALIZE_FILE_NAME@
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129 # if @REPLACE_CANONICALIZE_FILE_NAME@
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130 # define canonicalize_file_name rpl_canonicalize_file_name
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131 # endif
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132 # if !@HAVE_CANONICALIZE_FILE_NAME@ || @REPLACE_CANONICALIZE_FILE_NAME@
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133 extern char *canonicalize_file_name (const char *name) _GL_ARG_NONNULL ((1));
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134 # endif
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135 #elif defined GNULIB_POSIXCHECK
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136 # undef canonicalize_file_name
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137 # define canonicalize_file_name(n) \
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138 (GL_LINK_WARNING ("canonicalize_file_name is unportable - " \
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139 "use gnulib module canonicalize-lgpl for portability"), \
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140 canonicalize_file_name (n))
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141 #endif
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142
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143 #if @GNULIB_GETLOADAVG@
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144 # if !@HAVE_DECL_GETLOADAVG@
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145 /* Store max(NELEM,3) load average numbers in LOADAVG[].
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146 The three numbers are the load average of the last 1 minute, the last 5
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147 minutes, and the last 15 minutes, respectively.
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148 LOADAVG is an array of NELEM numbers. */
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149 extern int getloadavg (double loadavg[], int nelem) _GL_ARG_NONNULL ((1));
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150 # endif
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151 #elif defined GNULIB_POSIXCHECK
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152 # undef getloadavg
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153 # define getloadavg(l,n) \
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154 (GL_LINK_WARNING ("getloadavg is not portable - " \
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155 "use gnulib module getloadavg for portability"), \
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156 getloadavg (l, n))
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157 #endif
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158
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159 #if @GNULIB_GETSUBOPT@
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160 /* Assuming *OPTIONP is a comma separated list of elements of the form
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161 "token" or "token=value", getsubopt parses the first of these elements.
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162 If the first element refers to a "token" that is member of the given
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163 NULL-terminated array of tokens:
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164 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
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165 the first option and the comma, sets *VALUEP to the value of the
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166 element (or NULL if it doesn't contain an "=" sign),
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167 - It returns the index of the "token" in the given array of tokens.
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168 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
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169 For more details see the POSIX:2001 specification.
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170 http://www.opengroup.org/susv3xsh/getsubopt.html */
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171 # if !@HAVE_GETSUBOPT@
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172 extern int getsubopt (char **optionp, char *const *tokens, char **valuep)
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173 _GL_ARG_NONNULL ((1, 2, 3));
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174 # endif
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175 #elif defined GNULIB_POSIXCHECK
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176 # undef getsubopt
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177 # define getsubopt(o,t,v) \
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178 (GL_LINK_WARNING ("getsubopt is unportable - " \
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179 "use gnulib module getsubopt for portability"), \
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180 getsubopt (o, t, v))
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181 #endif
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182
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183 #if @GNULIB_MALLOC_POSIX@
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184 # if !@HAVE_MALLOC_POSIX@
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185 # undef malloc
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186 # define malloc rpl_malloc
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187 extern void * malloc (size_t size);
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188 # endif
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189 #elif defined GNULIB_POSIXCHECK
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190 # undef malloc
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191 # define malloc(s) \
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192 (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
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193 "use gnulib module malloc-posix for portability"), \
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194 malloc (s))
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195 #endif
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196
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197 #if @GNULIB_MKDTEMP@
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198 # if !@HAVE_MKDTEMP@
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199 /* Create a unique temporary directory from TEMPLATE.
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200 The last six characters of TEMPLATE must be "XXXXXX";
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201 they are replaced with a string that makes the directory name unique.
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202 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
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203 The directory is created mode 700. */
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204 extern char * mkdtemp (char * /*template*/) _GL_ARG_NONNULL ((1));
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205 # endif
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206 #elif defined GNULIB_POSIXCHECK
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207 # undef mkdtemp
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208 # define mkdtemp(t) \
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209 (GL_LINK_WARNING ("mkdtemp is unportable - " \
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210 "use gnulib module mkdtemp for portability"), \
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211 mkdtemp (t))
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212 #endif
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213
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214 #if @GNULIB_MKOSTEMP@
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215 # if !@HAVE_MKOSTEMP@
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216 /* Create a unique temporary file from TEMPLATE.
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217 The last six characters of TEMPLATE must be "XXXXXX";
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218 they are replaced with a string that makes the file name unique.
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219 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
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220 and O_TEXT, O_BINARY (defined in "binary-io.h").
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221 The file is then created, with the specified flags, ensuring it didn't exist
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222 before.
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223 The file is created read-write (mask at least 0600 & ~umask), but it may be
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224 world-readable and world-writable (mask 0666 & ~umask), depending on the
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225 implementation.
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226 Returns the open file descriptor if successful, otherwise -1 and errno
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227 set. */
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228 extern int mkostemp (char * /*template*/, int /*flags*/) _GL_ARG_NONNULL ((1));
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229 # endif
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230 #elif defined GNULIB_POSIXCHECK
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231 # undef mkostemp
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232 # define mkostemp(t,f) \
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233 (GL_LINK_WARNING ("mkostemp is unportable - " \
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234 "use gnulib module mkostemp for portability"), \
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235 mkostemp (t, f))
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236 #endif
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237
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238 #if @GNULIB_MKOSTEMPS@
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239 # if !@HAVE_MKOSTEMPS@
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240 /* Create a unique temporary file from TEMPLATE.
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241 The last six characters of TEMPLATE before a suffix of length
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242 SUFFIXLEN must be "XXXXXX";
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243 they are replaced with a string that makes the file name unique.
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244 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
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245 and O_TEXT, O_BINARY (defined in "binary-io.h").
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246 The file is then created, with the specified flags, ensuring it didn't exist
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247 before.
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248 The file is created read-write (mask at least 0600 & ~umask), but it may be
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249 world-readable and world-writable (mask 0666 & ~umask), depending on the
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250 implementation.
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251 Returns the open file descriptor if successful, otherwise -1 and errno
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252 set. */
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253 extern int mkostemps (char * /*template*/, int /*suffixlen*/, int /*flags*/)
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254 _GL_ARG_NONNULL ((1));
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255 # endif
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256 #elif defined GNULIB_POSIXCHECK
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257 # undef mkostemps
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258 # define mkostemps(t,s,f) \
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259 (GL_LINK_WARNING ("mkostemps is unportable - " \
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260 "use gnulib module mkostemps for portability"), \
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261 mkostemps (t, s, f))
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262 #endif
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263
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264 #if @GNULIB_MKSTEMP@
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265 # if @REPLACE_MKSTEMP@
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266 /* Create a unique temporary file from TEMPLATE.
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267 The last six characters of TEMPLATE must be "XXXXXX";
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268 they are replaced with a string that makes the file name unique.
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269 The file is then created, ensuring it didn't exist before.
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270 The file is created read-write (mask at least 0600 & ~umask), but it may be
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271 world-readable and world-writable (mask 0666 & ~umask), depending on the
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272 implementation.
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273 Returns the open file descriptor if successful, otherwise -1 and errno
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274 set. */
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275 # define mkstemp rpl_mkstemp
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276 extern int mkstemp (char * /*template*/) _GL_ARG_NONNULL ((1));
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277 # endif
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278 #elif defined GNULIB_POSIXCHECK
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279 # undef mkstemp
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280 # define mkstemp(t) \
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281 (GL_LINK_WARNING ("mkstemp is unportable - " \
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282 "use gnulib module mkstemp for portability"), \
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283 mkstemp (t))
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284 #endif
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285
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286 #if @GNULIB_MKSTEMPS@
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287 # if !@HAVE_MKSTEMPS@
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288 /* Create a unique temporary file from TEMPLATE.
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289 The last six characters of TEMPLATE prior to a suffix of length
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290 SUFFIXLEN must be "XXXXXX";
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291 they are replaced with a string that makes the file name unique.
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292 The file is then created, ensuring it didn't exist before.
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293 The file is created read-write (mask at least 0600 & ~umask), but it may be
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294 world-readable and world-writable (mask 0666 & ~umask), depending on the
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295 implementation.
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296 Returns the open file descriptor if successful, otherwise -1 and errno
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297 set. */
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298 extern int mkstemps (char * /*template*/, int /*suffixlen*/)
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299 _GL_ARG_NONNULL ((1));
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300 # endif
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301 #elif defined GNULIB_POSIXCHECK
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302 # undef mkstemps
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303 # define mkstemps(t,s) \
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304 (GL_LINK_WARNING ("mkstemps is unportable - " \
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305 "use gnulib module mkstemps for portability"), \
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306 mkstemps (t, s))
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307 #endif
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308
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309 #if @GNULIB_PUTENV@
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310 # if @REPLACE_PUTENV@
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311 # undef putenv
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312 # define putenv rpl_putenv
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313 extern int putenv (char *string) _GL_ARG_NONNULL ((1));
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314 # endif
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315 #endif
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316
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317 #if @GNULIB_RANDOM_R@
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318 # if !@HAVE_RANDOM_R@
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319
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320 # ifndef RAND_MAX
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321 # define RAND_MAX 2147483647
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322 # endif
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323
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324 int srandom_r (unsigned int seed, struct random_data *rand_state)
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325 _GL_ARG_NONNULL ((2));
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326 int initstate_r (unsigned int seed, char *buf, size_t buf_size,
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327 struct random_data *rand_state)
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328 _GL_ARG_NONNULL ((2, 4));
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329 int setstate_r (char *arg_state, struct random_data *rand_state)
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330 _GL_ARG_NONNULL ((1, 2));
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331 int random_r (struct random_data *buf, int32_t *result)
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332 _GL_ARG_NONNULL ((1, 2));
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333 # endif
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334 #elif defined GNULIB_POSIXCHECK
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335 # undef random_r
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336 # define random_r(b,r) \
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337 (GL_LINK_WARNING ("random_r is unportable - " \
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338 "use gnulib module random_r for portability"), \
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339 random_r (b,r))
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340 # undef initstate_r
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341 # define initstate_r(s,b,sz,r) \
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342 (GL_LINK_WARNING ("initstate_r is unportable - " \
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343 "use gnulib module random_r for portability"), \
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344 initstate_r (s,b,sz,r))
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345 # undef srandom_r
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346 # define srandom_r(s,r) \
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347 (GL_LINK_WARNING ("srandom_r is unportable - " \
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348 "use gnulib module random_r for portability"), \
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349 srandom_r (s,r))
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350 # undef setstate_r
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351 # define setstate_r(a,r) \
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352 (GL_LINK_WARNING ("setstate_r is unportable - " \
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353 "use gnulib module random_r for portability"), \
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354 setstate_r (a,r))
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355 #endif
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356
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357 #if @GNULIB_REALLOC_POSIX@
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358 # if !@HAVE_REALLOC_POSIX@
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359 # undef realloc
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360 # define realloc rpl_realloc
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361 extern void * realloc (void *ptr, size_t size);
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362 # endif
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363 #elif defined GNULIB_POSIXCHECK
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364 # undef realloc
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365 # define realloc(p,s) \
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366 (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
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367 "use gnulib module realloc-posix for portability"), \
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368 realloc (p, s))
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369 #endif
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370
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371 #if @GNULIB_REALPATH@
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372 # if @REPLACE_REALPATH@
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373 # define realpath rpl_realpath
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374 # endif
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375 # if !@HAVE_REALPATH@ || @REPLACE_REALPATH@
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376 extern char *realpath (const char *name, char *resolved) _GL_ARG_NONNULL ((1));
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377 # endif
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378 #elif defined GNULIB_POSIXCHECK
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379 # undef realpath
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380 # define realpath(n,r) \
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381 (GL_LINK_WARNING ("realpath is unportable - use gnulib module " \
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382 "canonicalize or canonicalize-lgpl for portability"), \
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383 realpath (n, r))
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384 #endif
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385
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386 #if @GNULIB_RPMATCH@
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387 # if !@HAVE_RPMATCH@
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388 /* Test a user response to a question.
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389 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
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390 extern int rpmatch (const char *response) _GL_ARG_NONNULL ((1));
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391 # endif
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392 #elif defined GNULIB_POSIXCHECK
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393 # undef rpmatch
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394 # define rpmatch(r) \
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395 (GL_LINK_WARNING ("rpmatch is unportable - " \
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396 "use gnulib module rpmatch for portability"), \
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397 rpmatch (r))
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398 #endif
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399
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400 #if @GNULIB_SETENV@
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401 # if @REPLACE_SETENV@
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402 # undef setenv
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403 # define setenv rpl_setenv
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404 # endif
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405 # if !@HAVE_SETENV@ || @REPLACE_SETENV@
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406 /* Set NAME to VALUE in the environment.
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407 If REPLACE is nonzero, overwrite an existing value. */
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408 extern int setenv (const char *name, const char *value, int replace)
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409 _GL_ARG_NONNULL ((1));
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410 # endif
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411 #elif defined GNULIB_POSIXCHECK
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412 # undef setenv
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413 # define setenv(n,v,o) \
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414 (GL_LINK_WARNING ("setenv is unportable - " \
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415 "use gnulib module setenv for portability"), \
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416 setenv (n, v, o))
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417 #endif
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418
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419 #if @GNULIB_STRTOD@
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420 # if @REPLACE_STRTOD@
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421 # define strtod rpl_strtod
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422 # endif
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423 # if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
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424 /* Parse a double from STRING, updating ENDP if appropriate. */
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425 extern double strtod (const char *str, char **endp) _GL_ARG_NONNULL ((1));
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426 # endif
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427 #elif defined GNULIB_POSIXCHECK
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428 # undef strtod
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429 # define strtod(s, e) \
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430 (GL_LINK_WARNING ("strtod is unportable - " \
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431 "use gnulib module strtod for portability"), \
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432 strtod (s, e))
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433 #endif
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434
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435 #if @GNULIB_STRTOLL@
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436 # if !@HAVE_STRTOLL@
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437 /* Parse a signed integer whose textual representation starts at STRING.
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438 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
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439 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
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440 "0x").
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441 If ENDPTR is not NULL, the address of the first byte after the integer is
|
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442 stored in *ENDPTR.
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443 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
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444 to ERANGE. */
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445 extern long long strtoll (const char *string, char **endptr, int base)
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446 _GL_ARG_NONNULL ((1));
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447 # endif
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448 #elif defined GNULIB_POSIXCHECK
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449 # undef strtoll
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450 # define strtoll(s,e,b) \
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451 (GL_LINK_WARNING ("strtoll is unportable - " \
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452 "use gnulib module strtoll for portability"), \
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453 strtoll (s, e, b))
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454 #endif
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455
|
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456 #if @GNULIB_STRTOULL@
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457 # if !@HAVE_STRTOULL@
|
|
458 /* Parse an unsigned integer whose textual representation starts at STRING.
|
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459 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
|
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460 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
|
|
461 "0x").
|
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462 If ENDPTR is not NULL, the address of the first byte after the integer is
|
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463 stored in *ENDPTR.
|
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464 Upon overflow, the return value is ULLONG_MAX, and errno is set to
|
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465 ERANGE. */
|
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466 extern unsigned long long strtoull (const char *string, char **endptr, int base)
|
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467 _GL_ARG_NONNULL ((1));
|
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468 # endif
|
|
469 #elif defined GNULIB_POSIXCHECK
|
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470 # undef strtoull
|
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471 # define strtoull(s,e,b) \
|
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472 (GL_LINK_WARNING ("strtoull is unportable - " \
|
|
473 "use gnulib module strtoull for portability"), \
|
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474 strtoull (s, e, b))
|
|
475 #endif
|
|
476
|
|
477 #if @GNULIB_UNSETENV@
|
|
478 # if @REPLACE_UNSETENV@
|
|
479 # undef unsetenv
|
|
480 # define unsetenv rpl_unsetenv
|
|
481 # endif
|
|
482 # if !@HAVE_UNSETENV@ || @REPLACE_UNSETENV@
|
|
483 /* Remove the variable NAME from the environment. */
|
|
484 extern int unsetenv (const char *name) _GL_ARG_NONNULL ((1));
|
|
485 # endif
|
|
486 #elif defined GNULIB_POSIXCHECK
|
|
487 # undef unsetenv
|
|
488 # define unsetenv(n) \
|
|
489 (GL_LINK_WARNING ("unsetenv is unportable - " \
|
|
490 "use gnulib module unsetenv for portability"), \
|
|
491 unsetenv (n))
|
|
492 #endif
|
|
493
|
|
494 #ifdef __cplusplus
|
|
495 }
|
|
496 #endif
|
|
497
|
|
498 #endif /* _GL_STDLIB_H */
|
|
499 #endif /* _GL_STDLIB_H */
|
|
500 #endif
|