include/stdlib.h

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