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 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 extern void _quicksort (void *const pbase, size_t total_elems,
 153                         size_t size, __compar_d_fn_t cmp, void *arg);
 154
 155 extern int __on_exit (void (*__func) (int __status, void *__arg), void *__arg);
 156
 157 extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
 158 libc_hidden_proto (__cxa_atexit);
 159
 160 extern int __cxa_thread_atexit_impl (void (*func) (void *), void *arg,
 161                                      void *d);
 162 extern void __call_tls_dtors (void)
 163 #ifndef SHARED
 164   __attribute__ ((weak))
 165 #endif
 166   ;
 167 libc_hidden_proto (__call_tls_dtors)
 168
 169 extern void __cxa_finalize (void *d);
 170
 171 extern int __posix_memalign (void **memptr, size_t alignment, size_t size);
 172
 173 extern void *__libc_memalign (size_t alignment, size_t size)
 174      __attribute_malloc__;
 175
 176 extern void *__libc_reallocarray (void *__ptr, size_t __nmemb, size_t __size)
 177      __THROW __attribute_warn_unused_result__;
 178 libc_hidden_proto (__libc_reallocarray)
 179
 180 extern int __libc_system (const char *line);
 181
 182 extern __typeof (getpt) __getpt;
 183 extern __typeof (ptsname_r) __ptsname_r;
 184 libc_hidden_proto (__getpt)
 185 libc_hidden_proto (__ptsname_r)
 186 libc_hidden_proto (grantpt)
 187 libc_hidden_proto (unlockpt)
 188
 189 __typeof (arc4random) __arc4random;
 190 libc_hidden_proto (__arc4random);
 191 __typeof (arc4random_buf) __arc4random_buf;
 192 libc_hidden_proto (__arc4random_buf);
 193 __typeof (arc4random_uniform) __arc4random_uniform;
 194 libc_hidden_proto (__arc4random_uniform);
 195 extern void __arc4random_buf_internal (void *buffer, size_t len)
 196      attribute_hidden;
 197
 198 extern double __strtod_internal (const char *__restrict __nptr,
 199                                  char **__restrict __endptr, int __group)
 200      __THROW __nonnull ((1)) __wur;
 201 extern float __strtof_internal (const char *__restrict __nptr,
 202                                 char **__restrict __endptr, int __group)
 203      __THROW __nonnull ((1)) __wur;
 204 extern long double __strtold_internal (const char *__restrict __nptr,
 205                                        char **__restrict __endptr,
 206                                        int __group)
 207      __THROW __nonnull ((1)) __wur;
 208 extern long int __strtol_internal (const char *__restrict __nptr,
 209                                    char **__restrict __endptr,
 210                                    int __base, int __group)
 211      __THROW __nonnull ((1)) __wur;
 212 extern unsigned long int __strtoul_internal (const char *__restrict __nptr,
 213                                              char **__restrict __endptr,
 214                                              int __base, int __group)
 215      __THROW __nonnull ((1)) __wur;
 216 __extension__
 217 extern long long int __strtoll_internal (const char *__restrict __nptr,
 218                                          char **__restrict __endptr,
 219                                          int __base, int __group)
 220      __THROW __nonnull ((1)) __wur;
 221 __extension__
 222 extern unsigned long long int __strtoull_internal (const char *
 223                                                    __restrict __nptr,
 224                                                    char **__restrict __endptr,
 225                                                    int __base, int __group)
 226      __THROW __nonnull ((1)) __wur;
 227 libc_hidden_proto (__strtof_internal)
 228 libc_hidden_proto (__strtod_internal)
 229 libc_hidden_proto (__strtold_internal)
 230 libc_hidden_proto (__strtol_internal)
 231 libc_hidden_proto (__strtoll_internal)
 232 libc_hidden_proto (__strtoul_internal)
 233 libc_hidden_proto (__strtoull_internal)
 234
 235 extern double ____strtod_l_internal (const char *__restrict __nptr,
 236                                      char **__restrict __endptr, int __group,
 237                                      locale_t __loc);
 238 extern float ____strtof_l_internal (const char *__restrict __nptr,
 239                                     char **__restrict __endptr, int __group,
 240                                     locale_t __loc);
 241 extern long double ____strtold_l_internal (const char *__restrict __nptr,
 242                                            char **__restrict __endptr,
 243                                            int __group, locale_t __loc);
 244 extern long int ____strtol_l_internal (const char *__restrict __nptr,
 245                                        char **__restrict __endptr,
 246                                        int __base, int __group,
 247                                        bool __bin_cst, locale_t __loc);
 248 extern unsigned long int ____strtoul_l_internal (const char *
 249                                                  __restrict __nptr,
 250                                                  char **__restrict __endptr,
 251                                                  int __base, int __group,
 252                                                  bool __bin_cst,
 253                                                  locale_t __loc);
 254 __extension__
 255 extern long long int ____strtoll_l_internal (const char *__restrict __nptr,
 256                                              char **__restrict __endptr,
 257                                              int __base, int __group,
 258                                              bool __bin_cst, locale_t __loc);
 259 __extension__
 260 extern unsigned long long int ____strtoull_l_internal (const char *
 261                                                        __restrict __nptr,
 262                                                        char **
 263                                                        __restrict __endptr,
 264                                                        int __base, int __group,
 265                                                        bool __bin_cst,
 266                                                        locale_t __loc);
 267
 268 libc_hidden_proto (____strtof_l_internal)
 269 libc_hidden_proto (____strtod_l_internal)
 270 libc_hidden_proto (____strtold_l_internal)
 271 libc_hidden_proto (____strtol_l_internal)
 272 libc_hidden_proto (____strtoll_l_internal)
 273 libc_hidden_proto (____strtoul_l_internal)
 274 libc_hidden_proto (____strtoull_l_internal)
 275
 276 #include <bits/floatn.h>
 277 libc_hidden_proto (strtof)
 278 libc_hidden_proto (strtod)
 279 #if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0
 280 libc_hidden_proto (strtold)
 281 #endif
 282 libc_hidden_proto (strtol)
 283 libc_hidden_proto (strtoll)
 284 libc_hidden_proto (strtoul)
 285 libc_hidden_proto (strtoull)
 286
 287 libc_hidden_proto (atoi)
 288
 289 extern float __strtof_nan (const char *, char **, char);
 290 extern double __strtod_nan (const char *, char **, char);
 291 extern long double __strtold_nan (const char *, char **, char);
 292 extern float __wcstof_nan (const wchar_t *, wchar_t **, wchar_t);
 293 extern double __wcstod_nan (const wchar_t *, wchar_t **, wchar_t);
 294 extern long double __wcstold_nan (const wchar_t *, wchar_t **, wchar_t);
 295
 296 libc_hidden_proto (__strtof_nan)
 297 libc_hidden_proto (__strtod_nan)
 298 libc_hidden_proto (__strtold_nan)
 299 libc_hidden_proto (__wcstof_nan)
 300 libc_hidden_proto (__wcstod_nan)
 301 libc_hidden_proto (__wcstold_nan)
 302
 303 /* Enable _FloatN bits as needed.  */
 304 #include <bits/floatn.h>
 305
 306 #if __HAVE_DISTINCT_FLOAT128
 307 extern __typeof (strtof128_l) __strtof128_l;
 308
 309 libc_hidden_proto (__strtof128_l)
 310 libc_hidden_proto (strtof128)
 311
 312 extern _Float128 __strtof128_nan (const char *, char **, char);
 313 extern _Float128 __wcstof128_nan (const wchar_t *, wchar_t **, wchar_t);
 314
 315 libc_hidden_proto (__strtof128_nan)
 316 libc_hidden_proto (__wcstof128_nan)
 317
 318 extern _Float128 __strtof128_internal (const char *__restrict __nptr,
 319                                        char **__restrict __endptr,
 320                                        int __group);
 321 libc_hidden_proto (__strtof128_internal)
 322
 323 extern _Float128 ____strtof128_l_internal (const char *__restrict __nptr,
 324                                            char **__restrict __endptr,
 325                                            int __group, locale_t __loc);
 326
 327 libc_hidden_proto (____strtof128_l_internal)
 328 #endif
 329
 330 extern char *__ecvt (double __value, int __ndigit, int *__restrict __decpt,
 331                      int *__restrict __sign);
 332 extern char *__fcvt (double __value, int __ndigit, int *__restrict __decpt,
 333                      int *__restrict __sign);
 334 extern char *__gcvt (double __value, int __ndigit, char *__buf);
 335 extern int __ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
 336                      int *__restrict __sign, char *__restrict __buf,
 337                      size_t __len);
 338 libc_hidden_proto (__ecvt_r)
 339 extern int __fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
 340                      int *__restrict __sign, char *__restrict __buf,
 341                      size_t __len);
 342 libc_hidden_proto (__fcvt_r)
 343 extern char *__qecvt (long double __value, int __ndigit,
 344                       int *__restrict __decpt, int *__restrict __sign);
 345 extern char *__qfcvt (long double __value, int __ndigit,
 346                       int *__restrict __decpt, int *__restrict __sign);
 347 extern char *__qgcvt (long double __value, int __ndigit, char *__buf);
 348 extern int __qecvt_r (long double __value, int __ndigit,
 349                       int *__restrict __decpt, int *__restrict __sign,
 350                       char *__restrict __buf, size_t __len);
 351 libc_hidden_proto (__qecvt_r)
 352 extern int __qfcvt_r (long double __value, int __ndigit,
 353                       int *__restrict __decpt, int *__restrict __sign,
 354                       char *__restrict __buf, size_t __len);
 355 libc_hidden_proto (__qfcvt_r)
 356
 357 # if IS_IN (libc)
 358 #  undef MB_CUR_MAX
 359 #  define MB_CUR_MAX (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX))
 360 # endif
 361
 362 struct abort_msg_s
 363 {
 364   unsigned int size;
 365   char msg[0];
 366 };
 367 extern struct abort_msg_s *__abort_msg;
 368 libc_hidden_proto (__abort_msg)
 369
 370 # if IS_IN (rtld)
 371 extern __typeof (unsetenv) unsetenv attribute_hidden;
 372 extern __typeof (__strtoul_internal) __strtoul_internal attribute_hidden;
 373 # endif
 374
 375 #endif
 376
 377 #endif  /* include/stdlib.h */