include/stdlib.h

   1 #ifndef _STDLIB_H
   2
   3 #ifndef _ISOMAC
   4 # include <stdbool.h>
   5 # include <stddef.h>
   6 #endif
   7
   8 /* Workaround PR90731 with GCC 9 when using ldbl redirects in C++.  */
   9 #include <bits/floatn.h>
  10 #if defined __cplusplus && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
  11 # if __GNUC_PREREQ (9, 0) && !__GNUC_PREREQ (9, 3)
  12 #   pragma GCC system_header
  13 # endif
  14 #endif
  15
  16 #include <stdlib/stdlib.h>
  17
  18 /* Now define the internal interfaces.  */
  19 #if !defined _ISOMAC
  20 # include <sys/stat.h>
  21
  22 # include <rtld-malloc.h>
  23
  24 extern __typeof (strtol_l) __strtol_l;
  25 extern __typeof (strtoul_l) __strtoul_l;
  26 extern __typeof (strtoll_l) __strtoll_l;
  27 extern __typeof (strtoull_l) __strtoull_l;
  28 extern __typeof (strtod_l) __strtod_l;
  29 extern __typeof (strtof_l) __strtof_l;
  30 extern __typeof (strtold_l) __strtold_l;
  31 libc_hidden_proto (__strtol_l)
  32 libc_hidden_proto (__strtoul_l)
  33 libc_hidden_proto (__strtoll_l)
  34 libc_hidden_proto (__strtoull_l)
  35 libc_hidden_proto (__strtod_l)
  36 libc_hidden_proto (__strtof_l)
  37 libc_hidden_proto (__strtold_l)
  38
  39 extern __typeof (strtol) __isoc23_strtol __attribute_copy__ (strtol);
  40 extern __typeof (strtoul) __isoc23_strtoul __attribute_copy__ (strtoul);
  41 extern __typeof (strtoll) __isoc23_strtoll __attribute_copy__ (strtoll);
  42 extern __typeof (strtoull) __isoc23_strtoull __attribute_copy__ (strtoull);
  43 extern __typeof (strtol_l) __isoc23_strtol_l __attribute_copy__ (strtol_l);
  44 extern __typeof (strtoul_l) __isoc23_strtoul_l __attribute_copy__ (strtoul_l);
  45 extern __typeof (strtoll_l) __isoc23_strtoll_l __attribute_copy__ (strtoll_l);
  46 extern __typeof (strtoull_l) __isoc23_strtoull_l __attribute_copy__ (strtoull_l);
  47 libc_hidden_proto (__isoc23_strtol)
  48 libc_hidden_proto (__isoc23_strtoul)
  49 libc_hidden_proto (__isoc23_strtoll)
  50 libc_hidden_proto (__isoc23_strtoull)
  51 libc_hidden_proto (__isoc23_strtol_l)
  52 libc_hidden_proto (__isoc23_strtoul_l)
  53 libc_hidden_proto (__isoc23_strtoll_l)
  54 libc_hidden_proto (__isoc23_strtoull_l)
  55
  56 #if __GLIBC_USE (C23_STRTOL)
  57 /* Redirect internal uses of these functions to the C23 versions; the
  58    redirection in the installed header does not work with
  59    libc_hidden_proto.  */
  60 # undef strtol
  61 # define strtol __isoc23_strtol
  62 # undef atoi
  63 # define atoi(nptr) __isoc23_strtol(nptr, NULL, 10)
  64 # undef strtoul
  65 # define strtoul __isoc23_strtoul
  66 # undef strtoll
  67 # define strtoll __isoc23_strtoll
  68 # undef strtoull
  69 # define strtoull __isoc23_strtoull
  70 # undef strtol_l
  71 # define strtol_l __isoc23_strtol_l
  72 # undef strtoul_l
  73 # define strtoul_l __isoc23_strtoul_l
  74 # undef strtoll_l
  75 # define strtoll_l __isoc23_strtoll_l
  76 # undef strtoull_l
  77 # define strtoull_l __isoc23_strtoull_l
  78 #endif
  79
  80 libc_hidden_proto (exit)
  81 libc_hidden_proto (abort)
  82 libc_hidden_proto (getenv)
  83 extern __typeof (secure_getenv) __libc_secure_getenv;
  84 libc_hidden_proto (__libc_secure_getenv)
  85 libc_hidden_proto (bsearch)
  86 libc_hidden_proto (qsort)
  87 extern __typeof (qsort_r) __qsort_r;
  88 libc_hidden_proto (__qsort_r)
  89 libc_hidden_proto (lrand48_r)
  90 libc_hidden_proto (wctomb)
  91
  92 extern long int __random (void) attribute_hidden;
  93 extern void __srandom (unsigned int __seed);
  94 extern char *__initstate (unsigned int __seed, char *__statebuf,
  95                           size_t __statelen);
  96 extern char *__setstate (char *__statebuf);
  97 extern int __random_r (struct random_data *__buf, int32_t *__result)
  98      attribute_hidden;
  99 extern int __srandom_r (unsigned int __seed, struct random_data *__buf)
 100      attribute_hidden;
 101 extern int __initstate_r (unsigned int __seed, char *__statebuf,
 102                           size_t __statelen, struct random_data *__buf)
 103      attribute_hidden;
 104 extern int __setstate_r (char *__statebuf, struct random_data *__buf)
 105      attribute_hidden;
 106 extern int __rand_r (unsigned int *__seed);
 107 extern int __erand48_r (unsigned short int __xsubi[3],
 108                         struct drand48_data *__buffer, double *__result)
 109      attribute_hidden;
 110 extern int __nrand48_r (unsigned short int __xsubi[3],
 111                         struct drand48_data *__buffer,
 112                         long int *__result) attribute_hidden;
 113 extern int __jrand48_r (unsigned short int __xsubi[3],
 114                         struct drand48_data *__buffer,
 115                         long int *__result) attribute_hidden;
 116 extern int __srand48_r (long int __seedval,
 117                         struct drand48_data *__buffer) attribute_hidden;
 118 extern int __seed48_r (unsigned short int __seed16v[3],
 119                        struct drand48_data *__buffer) attribute_hidden;
 120 extern int __lcong48_r (unsigned short int __param[7],
 121                         struct drand48_data *__buffer) attribute_hidden;
 122
 123 /* Internal function to compute next state of the generator.  */
 124 extern int __drand48_iterate (unsigned short int __xsubi[3],
 125                               struct drand48_data *__buffer)
 126      attribute_hidden;
 127
 128 /* Global state for non-reentrant functions.  Defined in drand48-iter.c.  */
 129 extern struct drand48_data __libc_drand48_data attribute_hidden;
 130
 131 extern int __setenv (const char *__name, const char *__value, int __replace)
 132      attribute_hidden;
 133 extern int __unsetenv (const char *__name) attribute_hidden;
 134 extern int __clearenv (void) attribute_hidden;
 135 extern char *__mktemp (char *__template) __THROW __nonnull ((1));
 136 libc_hidden_proto (__mktemp)
 137 extern char *__canonicalize_file_name (const char *__name);
 138 extern char *__realpath (const char *__name, char *__resolved);
 139 libc_hidden_proto (__realpath)
 140 extern int __ptsname_r (int __fd, char *__buf, size_t __buflen)
 141      attribute_hidden;
 142 # ifndef _ISOMAC
 143 extern int __ptsname_internal (int fd, char *buf, size_t buflen,
 144                                struct stat64 *stp) attribute_hidden;
 145 # endif
 146 extern int __getpt (void);
 147 extern int __posix_openpt (int __oflag) attribute_hidden;
 148
 149 extern int __add_to_environ (const char *name, const char *value,
 150                              const char *combines, int replace)
 151      attribute_hidden;
 152
 153 extern int __on_exit (void (*__func) (int __status, void *__arg), void *__arg);
 154
 155 extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
 156 libc_hidden_proto (__cxa_atexit);
 157
 158 extern int __cxa_thread_atexit_impl (void (*func) (void *), void *arg,
 159                                      void *d);
 160 extern void __call_tls_dtors (void);
 161 libc_hidden_proto (__call_tls_dtors)
 162
 163 extern void __cxa_finalize (void *d);
 164
 165 extern int __posix_memalign (void **memptr, size_t alignment, size_t size);
 166
 167 extern void *__libc_memalign (size_t alignment, size_t size)
 168      __attribute_malloc__;
 169
 170 extern void *__libc_reallocarray (void *__ptr, size_t __nmemb, size_t __size)
 171      __THROW __attribute_warn_unused_result__;
 172 libc_hidden_proto (__libc_reallocarray)
 173
 174 extern int __libc_system (const char *line);
 175
 176 extern __typeof (getpt) __getpt;
 177 extern __typeof (ptsname_r) __ptsname_r;
 178 libc_hidden_proto (__getpt)
 179 libc_hidden_proto (__ptsname_r)
 180 libc_hidden_proto (grantpt)
 181 libc_hidden_proto (unlockpt)
 182
 183 __typeof (arc4random) __arc4random;
 184 libc_hidden_proto (__arc4random);
 185 __typeof (arc4random_buf) __arc4random_buf;
 186 libc_hidden_proto (__arc4random_buf);
 187 __typeof (arc4random_uniform) __arc4random_uniform;
 188 libc_hidden_proto (__arc4random_uniform);
 189 extern void __arc4random_buf_internal (void *buffer, size_t len)
 190      attribute_hidden;
 191
 192 extern double __strtod_internal (const char *__restrict __nptr,
 193                                  char **__restrict __endptr, int __group)
 194      __THROW __nonnull ((1)) __wur;
 195 extern float __strtof_internal (const char *__restrict __nptr,
 196                                 char **__restrict __endptr, int __group)
 197      __THROW __nonnull ((1)) __wur;
 198 extern long double __strtold_internal (const char *__restrict __nptr,
 199                                        char **__restrict __endptr,
 200                                        int __group)
 201      __THROW __nonnull ((1)) __wur;
 202 extern long int __strtol_internal (const char *__restrict __nptr,
 203                                    char **__restrict __endptr,
 204                                    int __base, int __group)
 205      __THROW __nonnull ((1)) __wur;
 206 extern unsigned long int __strtoul_internal (const char *__restrict __nptr,
 207                                              char **__restrict __endptr,
 208                                              int __base, int __group)
 209      __THROW __nonnull ((1)) __wur;
 210 __extension__
 211 extern long long int __strtoll_internal (const char *__restrict __nptr,
 212                                          char **__restrict __endptr,
 213                                          int __base, int __group)
 214      __THROW __nonnull ((1)) __wur;
 215 __extension__
 216 extern unsigned long long int __strtoull_internal (const char *
 217                                                    __restrict __nptr,
 218                                                    char **__restrict __endptr,
 219                                                    int __base, int __group)
 220      __THROW __nonnull ((1)) __wur;
 221 libc_hidden_proto (__strtof_internal)
 222 libc_hidden_proto (__strtod_internal)
 223 libc_hidden_proto (__strtold_internal)
 224 libc_hidden_proto (__strtol_internal)
 225 libc_hidden_proto (__strtoll_internal)
 226 libc_hidden_proto (__strtoul_internal)
 227 libc_hidden_proto (__strtoull_internal)
 228
 229 extern double ____strtod_l_internal (const char *__restrict __nptr,
 230                                      char **__restrict __endptr, int __group,
 231                                      locale_t __loc);
 232 extern float ____strtof_l_internal (const char *__restrict __nptr,
 233                                     char **__restrict __endptr, int __group,
 234                                     locale_t __loc);
 235 extern long double ____strtold_l_internal (const char *__restrict __nptr,
 236                                            char **__restrict __endptr,
 237                                            int __group, locale_t __loc);
 238 extern long int ____strtol_l_internal (const char *__restrict __nptr,
 239                                        char **__restrict __endptr,
 240                                        int __base, int __group,
 241                                        bool __bin_cst, locale_t __loc);
 242 extern unsigned long int ____strtoul_l_internal (const char *
 243                                                  __restrict __nptr,
 244                                                  char **__restrict __endptr,
 245                                                  int __base, int __group,
 246                                                  bool __bin_cst,
 247                                                  locale_t __loc);
 248 __extension__
 249 extern long long int ____strtoll_l_internal (const char *__restrict __nptr,
 250                                              char **__restrict __endptr,
 251                                              int __base, int __group,
 252                                              bool __bin_cst, locale_t __loc);
 253 __extension__
 254 extern unsigned long long int ____strtoull_l_internal (const char *
 255                                                        __restrict __nptr,
 256                                                        char **
 257                                                        __restrict __endptr,
 258                                                        int __base, int __group,
 259                                                        bool __bin_cst,
 260                                                        locale_t __loc);
 261
 262 libc_hidden_proto (____strtof_l_internal)
 263 libc_hidden_proto (____strtod_l_internal)
 264 libc_hidden_proto (____strtold_l_internal)
 265 libc_hidden_proto (____strtol_l_internal)
 266 libc_hidden_proto (____strtoll_l_internal)
 267 libc_hidden_proto (____strtoul_l_internal)
 268 libc_hidden_proto (____strtoull_l_internal)
 269
 270 #include <bits/floatn.h>
 271 libc_hidden_proto (strtof)
 272 libc_hidden_proto (strtod)
 273 #if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0
 274 libc_hidden_proto (strtold)
 275 #endif
 276 libc_hidden_proto (strtol)
 277 libc_hidden_proto (strtoll)
 278 libc_hidden_proto (strtoul)
 279 libc_hidden_proto (strtoull)
 280
 281 libc_hidden_proto (atoi)
 282
 283 extern float __strtof_nan (const char *, char **, char);
 284 extern double __strtod_nan (const char *, char **, char);
 285 extern long double __strtold_nan (const char *, char **, char);
 286 extern float __wcstof_nan (const wchar_t *, wchar_t **, wchar_t);
 287 extern double __wcstod_nan (const wchar_t *, wchar_t **, wchar_t);
 288 extern long double __wcstold_nan (const wchar_t *, wchar_t **, wchar_t);
 289
 290 libc_hidden_proto (__strtof_nan)
 291 libc_hidden_proto (__strtod_nan)
 292 libc_hidden_proto (__strtold_nan)
 293 libc_hidden_proto (__wcstof_nan)
 294 libc_hidden_proto (__wcstod_nan)
 295 libc_hidden_proto (__wcstold_nan)
 296
 297 /* Enable _FloatN bits as needed.  */
 298 #include <bits/floatn.h>
 299
 300 #if __HAVE_DISTINCT_FLOAT128
 301 extern __typeof (strtof128_l) __strtof128_l;
 302
 303 libc_hidden_proto (__strtof128_l)
 304 libc_hidden_proto (strtof128)
 305
 306 extern _Float128 __strtof128_nan (const char *, char **, char);
 307 extern _Float128 __wcstof128_nan (const wchar_t *, wchar_t **, wchar_t);
 308
 309 libc_hidden_proto (__strtof128_nan)
 310 libc_hidden_proto (__wcstof128_nan)
 311
 312 extern _Float128 __strtof128_internal (const char *__restrict __nptr,
 313                                        char **__restrict __endptr,
 314                                        int __group);
 315 libc_hidden_proto (__strtof128_internal)
 316
 317 extern _Float128 ____strtof128_l_internal (const char *__restrict __nptr,
 318                                            char **__restrict __endptr,
 319                                            int __group, locale_t __loc);
 320
 321 libc_hidden_proto (____strtof128_l_internal)
 322 #endif
 323
 324 extern char *__ecvt (double __value, int __ndigit, int *__restrict __decpt,
 325                      int *__restrict __sign);
 326 extern char *__fcvt (double __value, int __ndigit, int *__restrict __decpt,
 327                      int *__restrict __sign);
 328 extern char *__gcvt (double __value, int __ndigit, char *__buf);
 329 extern int __ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
 330                      int *__restrict __sign, char *__restrict __buf,
 331                      size_t __len);
 332 libc_hidden_proto (__ecvt_r)
 333 extern int __fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
 334                      int *__restrict __sign, char *__restrict __buf,
 335                      size_t __len);
 336 libc_hidden_proto (__fcvt_r)
 337 extern char *__qecvt (long double __value, int __ndigit,
 338                       int *__restrict __decpt, int *__restrict __sign);
 339 extern char *__qfcvt (long double __value, int __ndigit,
 340                       int *__restrict __decpt, int *__restrict __sign);
 341 extern char *__qgcvt (long double __value, int __ndigit, char *__buf);
 342 extern int __qecvt_r (long double __value, int __ndigit,
 343                       int *__restrict __decpt, int *__restrict __sign,
 344                       char *__restrict __buf, size_t __len);
 345 libc_hidden_proto (__qecvt_r)
 346 extern int __qfcvt_r (long double __value, int __ndigit,
 347                       int *__restrict __decpt, int *__restrict __sign,
 348                       char *__restrict __buf, size_t __len);
 349 libc_hidden_proto (__qfcvt_r)
 350
 351 # if IS_IN (libc)
 352 #  undef MB_CUR_MAX
 353 #  define MB_CUR_MAX (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX))
 354 # endif
 355
 356 struct abort_msg_s
 357 {
 358   unsigned int size;
 359   char msg[0];
 360 };
 361 extern struct abort_msg_s *__abort_msg;
 362 libc_hidden_proto (__abort_msg)
 363
 364 # if IS_IN (rtld)
 365 extern __typeof (unsetenv) unsetenv attribute_hidden;
 366 extern __typeof (__strtoul_internal) __strtoul_internal attribute_hidden;
 367 # endif
 368
 369 #endif
 370
 371 #endif  /* include/stdlib.h */