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 (C2X_STRTOL)
  57 /* Redirect internal uses of these functions to the C2X 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 strtoul
  63 # define strtoul __isoc23_strtoul
  64 # undef strtoll
  65 # define strtoll __isoc23_strtoll
  66 # undef strtoull
  67 # define strtoull __isoc23_strtoull
  68 # undef strtol_l
  69 # define strtol_l __isoc23_strtol_l
  70 # undef strtoul_l
  71 # define strtoul_l __isoc23_strtoul_l
  72 # undef strtoll_l
  73 # define strtoll_l __isoc23_strtoll_l
  74 # undef strtoull_l
  75 # define strtoull_l __isoc23_strtoull_l
  76 #endif
  77
  78 libc_hidden_proto (exit)
  79 libc_hidden_proto (abort)
  80 libc_hidden_proto (getenv)
  81 extern __typeof (secure_getenv) __libc_secure_getenv;
  82 libc_hidden_proto (__libc_secure_getenv)
  83 libc_hidden_proto (bsearch)
  84 libc_hidden_proto (qsort)
  85 extern __typeof (qsort_r) __qsort_r;
  86 libc_hidden_proto (__qsort_r)
  87 libc_hidden_proto (lrand48_r)
  88 libc_hidden_proto (wctomb)
  89
  90 extern long int __random (void) attribute_hidden;
  91 extern void __srandom (unsigned int __seed);
  92 extern char *__initstate (unsigned int __seed, char *__statebuf,
  93                           size_t __statelen);
  94 extern char *__setstate (char *__statebuf);
  95 extern int __random_r (struct random_data *__buf, int32_t *__result)
  96      attribute_hidden;
  97 extern int __srandom_r (unsigned int __seed, struct random_data *__buf)
  98      attribute_hidden;
  99 extern int __initstate_r (unsigned int __seed, char *__statebuf,
 100                           size_t __statelen, struct random_data *__buf)
 101      attribute_hidden;
 102 extern int __setstate_r (char *__statebuf, struct random_data *__buf)
 103      attribute_hidden;
 104 extern int __rand_r (unsigned int *__seed);
 105 extern int __erand48_r (unsigned short int __xsubi[3],
 106                         struct drand48_data *__buffer, double *__result)
 107      attribute_hidden;
 108 extern int __nrand48_r (unsigned short int __xsubi[3],
 109                         struct drand48_data *__buffer,
 110                         long int *__result) attribute_hidden;
 111 extern int __jrand48_r (unsigned short int __xsubi[3],
 112                         struct drand48_data *__buffer,
 113                         long int *__result) attribute_hidden;
 114 extern int __srand48_r (long int __seedval,
 115                         struct drand48_data *__buffer) attribute_hidden;
 116 extern int __seed48_r (unsigned short int __seed16v[3],
 117                        struct drand48_data *__buffer) attribute_hidden;
 118 extern int __lcong48_r (unsigned short int __param[7],
 119                         struct drand48_data *__buffer) attribute_hidden;
 120
 121 /* Internal function to compute next state of the generator.  */
 122 extern int __drand48_iterate (unsigned short int __xsubi[3],
 123                               struct drand48_data *__buffer)
 124      attribute_hidden;
 125
 126 /* Global state for non-reentrant functions.  Defined in drand48-iter.c.  */
 127 extern struct drand48_data __libc_drand48_data attribute_hidden;
 128
 129 extern int __setenv (const char *__name, const char *__value, int __replace)
 130      attribute_hidden;
 131 extern int __unsetenv (const char *__name) attribute_hidden;
 132 extern int __clearenv (void) attribute_hidden;
 133 extern char *__mktemp (char *__template) __THROW __nonnull ((1));
 134 libc_hidden_proto (__mktemp)
 135 extern char *__canonicalize_file_name (const char *__name);
 136 extern char *__realpath (const char *__name, char *__resolved);
 137 libc_hidden_proto (__realpath)
 138 extern int __ptsname_r (int __fd, char *__buf, size_t __buflen)
 139      attribute_hidden;
 140 # ifndef _ISOMAC
 141 extern int __ptsname_internal (int fd, char *buf, size_t buflen,
 142                                struct stat64 *stp) attribute_hidden;
 143 # endif
 144 extern int __getpt (void);
 145 extern int __posix_openpt (int __oflag) attribute_hidden;
 146
 147 extern int __add_to_environ (const char *name, const char *value,
 148                              const char *combines, int replace)
 149      attribute_hidden;
 150 extern void _quicksort (void *const pbase, size_t total_elems,
 151                         size_t size, __compar_d_fn_t cmp, void *arg);
 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 #ifndef SHARED
 162   __attribute__ ((weak))
 163 #endif
 164   ;
 165 libc_hidden_proto (__call_tls_dtors)
 166
 167 extern void __cxa_finalize (void *d);
 168
 169 extern int __posix_memalign (void **memptr, size_t alignment, size_t size);
 170
 171 extern void *__libc_memalign (size_t alignment, size_t size)
 172      __attribute_malloc__;
 173
 174 extern void *__libc_reallocarray (void *__ptr, size_t __nmemb, size_t __size)
 175      __THROW __attribute_warn_unused_result__;
 176 libc_hidden_proto (__libc_reallocarray)
 177
 178 extern int __libc_system (const char *line);
 179
 180 extern __typeof (getpt) __getpt;
 181 extern __typeof (ptsname_r) __ptsname_r;
 182 libc_hidden_proto (__getpt)
 183 libc_hidden_proto (__ptsname_r)
 184 libc_hidden_proto (grantpt)
 185 libc_hidden_proto (unlockpt)
 186
 187 __typeof (arc4random) __arc4random;
 188 libc_hidden_proto (__arc4random);
 189 __typeof (arc4random_buf) __arc4random_buf;
 190 libc_hidden_proto (__arc4random_buf);
 191 __typeof (arc4random_uniform) __arc4random_uniform;
 192 libc_hidden_proto (__arc4random_uniform);
 193 extern void __arc4random_buf_internal (void *buffer, size_t len)
 194      attribute_hidden;
 195
 196 extern double __strtod_internal (const char *__restrict __nptr,
 197                                  char **__restrict __endptr, int __group)
 198      __THROW __nonnull ((1)) __wur;
 199 extern float __strtof_internal (const char *__restrict __nptr,
 200                                 char **__restrict __endptr, int __group)
 201      __THROW __nonnull ((1)) __wur;
 202 extern long double __strtold_internal (const char *__restrict __nptr,
 203                                        char **__restrict __endptr,
 204                                        int __group)
 205      __THROW __nonnull ((1)) __wur;
 206 extern long int __strtol_internal (const char *__restrict __nptr,
 207                                    char **__restrict __endptr,
 208                                    int __base, int __group)
 209      __THROW __nonnull ((1)) __wur;
 210 extern unsigned long int __strtoul_internal (const char *__restrict __nptr,
 211                                              char **__restrict __endptr,
 212                                              int __base, int __group)
 213      __THROW __nonnull ((1)) __wur;
 214 __extension__
 215 extern long long int __strtoll_internal (const char *__restrict __nptr,
 216                                          char **__restrict __endptr,
 217                                          int __base, int __group)
 218      __THROW __nonnull ((1)) __wur;
 219 __extension__
 220 extern unsigned long long int __strtoull_internal (const char *
 221                                                    __restrict __nptr,
 222                                                    char **__restrict __endptr,
 223                                                    int __base, int __group)
 224      __THROW __nonnull ((1)) __wur;
 225 libc_hidden_proto (__strtof_internal)
 226 libc_hidden_proto (__strtod_internal)
 227 libc_hidden_proto (__strtold_internal)
 228 libc_hidden_proto (__strtol_internal)
 229 libc_hidden_proto (__strtoll_internal)
 230 libc_hidden_proto (__strtoul_internal)
 231 libc_hidden_proto (__strtoull_internal)
 232
 233 extern double ____strtod_l_internal (const char *__restrict __nptr,
 234                                      char **__restrict __endptr, int __group,
 235                                      locale_t __loc);
 236 extern float ____strtof_l_internal (const char *__restrict __nptr,
 237                                     char **__restrict __endptr, int __group,
 238                                     locale_t __loc);
 239 extern long double ____strtold_l_internal (const char *__restrict __nptr,
 240                                            char **__restrict __endptr,
 241                                            int __group, locale_t __loc);
 242 extern long int ____strtol_l_internal (const char *__restrict __nptr,
 243                                        char **__restrict __endptr,
 244                                        int __base, int __group,
 245                                        bool __bin_cst, locale_t __loc);
 246 extern unsigned long int ____strtoul_l_internal (const char *
 247                                                  __restrict __nptr,
 248                                                  char **__restrict __endptr,
 249                                                  int __base, int __group,
 250                                                  bool __bin_cst,
 251                                                  locale_t __loc);
 252 __extension__
 253 extern long long int ____strtoll_l_internal (const char *__restrict __nptr,
 254                                              char **__restrict __endptr,
 255                                              int __base, int __group,
 256                                              bool __bin_cst, locale_t __loc);
 257 __extension__
 258 extern unsigned long long int ____strtoull_l_internal (const char *
 259                                                        __restrict __nptr,
 260                                                        char **
 261                                                        __restrict __endptr,
 262                                                        int __base, int __group,
 263                                                        bool __bin_cst,
 264                                                        locale_t __loc);
 265
 266 libc_hidden_proto (____strtof_l_internal)
 267 libc_hidden_proto (____strtod_l_internal)
 268 libc_hidden_proto (____strtold_l_internal)
 269 libc_hidden_proto (____strtol_l_internal)
 270 libc_hidden_proto (____strtoll_l_internal)
 271 libc_hidden_proto (____strtoul_l_internal)
 272 libc_hidden_proto (____strtoull_l_internal)
 273
 274 #include <bits/floatn.h>
 275 libc_hidden_proto (strtof)
 276 libc_hidden_proto (strtod)
 277 #if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0
 278 libc_hidden_proto (strtold)
 279 #endif
 280 libc_hidden_proto (strtol)
 281 libc_hidden_proto (strtoll)
 282 libc_hidden_proto (strtoul)
 283 libc_hidden_proto (strtoull)
 284
 285 libc_hidden_proto (atoi)
 286
 287 extern float __strtof_nan (const char *, char **, char);
 288 extern double __strtod_nan (const char *, char **, char);
 289 extern long double __strtold_nan (const char *, char **, char);
 290 extern float __wcstof_nan (const wchar_t *, wchar_t **, wchar_t);
 291 extern double __wcstod_nan (const wchar_t *, wchar_t **, wchar_t);
 292 extern long double __wcstold_nan (const wchar_t *, wchar_t **, wchar_t);
 293
 294 libc_hidden_proto (__strtof_nan)
 295 libc_hidden_proto (__strtod_nan)
 296 libc_hidden_proto (__strtold_nan)
 297 libc_hidden_proto (__wcstof_nan)
 298 libc_hidden_proto (__wcstod_nan)
 299 libc_hidden_proto (__wcstold_nan)
 300
 301 /* Enable _FloatN bits as needed.  */
 302 #include <bits/floatn.h>
 303
 304 #if __HAVE_DISTINCT_FLOAT128
 305 extern __typeof (strtof128_l) __strtof128_l;
 306
 307 libc_hidden_proto (__strtof128_l)
 308 libc_hidden_proto (strtof128)
 309
 310 extern _Float128 __strtof128_nan (const char *, char **, char);
 311 extern _Float128 __wcstof128_nan (const wchar_t *, wchar_t **, wchar_t);
 312
 313 libc_hidden_proto (__strtof128_nan)
 314 libc_hidden_proto (__wcstof128_nan)
 315
 316 extern _Float128 __strtof128_internal (const char *__restrict __nptr,
 317                                        char **__restrict __endptr,
 318                                        int __group);
 319 libc_hidden_proto (__strtof128_internal)
 320
 321 extern _Float128 ____strtof128_l_internal (const char *__restrict __nptr,
 322                                            char **__restrict __endptr,
 323                                            int __group, locale_t __loc);
 324
 325 libc_hidden_proto (____strtof128_l_internal)
 326 #endif
 327
 328 extern char *__ecvt (double __value, int __ndigit, int *__restrict __decpt,
 329                      int *__restrict __sign);
 330 extern char *__fcvt (double __value, int __ndigit, int *__restrict __decpt,
 331                      int *__restrict __sign);
 332 extern char *__gcvt (double __value, int __ndigit, char *__buf);
 333 extern int __ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
 334                      int *__restrict __sign, char *__restrict __buf,
 335                      size_t __len);
 336 libc_hidden_proto (__ecvt_r)
 337 extern int __fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
 338                      int *__restrict __sign, char *__restrict __buf,
 339                      size_t __len);
 340 libc_hidden_proto (__fcvt_r)
 341 extern char *__qecvt (long double __value, int __ndigit,
 342                       int *__restrict __decpt, int *__restrict __sign);
 343 extern char *__qfcvt (long double __value, int __ndigit,
 344                       int *__restrict __decpt, int *__restrict __sign);
 345 extern char *__qgcvt (long double __value, int __ndigit, char *__buf);
 346 extern int __qecvt_r (long double __value, int __ndigit,
 347                       int *__restrict __decpt, int *__restrict __sign,
 348                       char *__restrict __buf, size_t __len);
 349 libc_hidden_proto (__qecvt_r)
 350 extern int __qfcvt_r (long double __value, int __ndigit,
 351                       int *__restrict __decpt, int *__restrict __sign,
 352                       char *__restrict __buf, size_t __len);
 353 libc_hidden_proto (__qfcvt_r)
 354
 355 # if IS_IN (libc)
 356 #  undef MB_CUR_MAX
 357 #  define MB_CUR_MAX (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX))
 358 # endif
 359
 360 struct abort_msg_s
 361 {
 362   unsigned int size;
 363   char msg[0];
 364 };
 365 extern struct abort_msg_s *__abort_msg;
 366 libc_hidden_proto (__abort_msg)
 367
 368 # if IS_IN (rtld)
 369 extern __typeof (unsetenv) unsetenv attribute_hidden;
 370 extern __typeof (__strtoul_internal) __strtoul_internal attribute_hidden;
 371 # endif
 372
 373 #endif
 374
 375 #endif  /* include/stdlib.h */