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 extern char *__canonicalize_file_name (const char *__name);
  95 extern char *__realpath (const char *__name, char *__resolved);
  96 libc_hidden_proto (__realpath)
  97 extern int __ptsname_r (int __fd, char *__buf, size_t __buflen)
  98      attribute_hidden;
  99 # ifndef _ISOMAC
 100 extern int __ptsname_internal (int fd, char *buf, size_t buflen,
 101                                struct stat64 *stp) attribute_hidden;
 102 # endif
 103 extern int __getpt (void);
 104 extern int __posix_openpt (int __oflag) attribute_hidden;
 105
 106 extern int __add_to_environ (const char *name, const char *value,
 107                              const char *combines, int replace)
 108      attribute_hidden;
 109 extern void _quicksort (void *const pbase, size_t total_elems,
 110                         size_t size, __compar_d_fn_t cmp, void *arg);
 111
 112 extern int __on_exit (void (*__func) (int __status, void *__arg), void *__arg);
 113
 114 extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
 115 libc_hidden_proto (__cxa_atexit);
 116
 117 extern int __cxa_thread_atexit_impl (void (*func) (void *), void *arg,
 118                                      void *d);
 119 extern void __call_tls_dtors (void)
 120 #ifndef SHARED
 121   __attribute__ ((weak))
 122 #endif
 123   ;
 124 libc_hidden_proto (__call_tls_dtors)
 125
 126 extern void __cxa_finalize (void *d);
 127
 128 extern int __posix_memalign (void **memptr, size_t alignment, size_t size);
 129
 130 extern void *__libc_memalign (size_t alignment, size_t size)
 131      __attribute_malloc__;
 132
 133 extern void *__libc_reallocarray (void *__ptr, size_t __nmemb, size_t __size)
 134      __THROW __attribute_warn_unused_result__;
 135 libc_hidden_proto (__libc_reallocarray)
 136
 137 extern int __libc_system (const char *line);
 138
 139
 140 extern double __strtod_internal (const char *__restrict __nptr,
 141                                  char **__restrict __endptr, int __group)
 142      __THROW __nonnull ((1)) __wur;
 143 extern float __strtof_internal (const char *__restrict __nptr,
 144                                 char **__restrict __endptr, int __group)
 145      __THROW __nonnull ((1)) __wur;
 146 extern long double __strtold_internal (const char *__restrict __nptr,
 147                                        char **__restrict __endptr,
 148                                        int __group)
 149      __THROW __nonnull ((1)) __wur;
 150 extern long int __strtol_internal (const char *__restrict __nptr,
 151                                    char **__restrict __endptr,
 152                                    int __base, int __group)
 153      __THROW __nonnull ((1)) __wur;
 154 extern unsigned long int __strtoul_internal (const char *__restrict __nptr,
 155                                              char **__restrict __endptr,
 156                                              int __base, int __group)
 157      __THROW __nonnull ((1)) __wur;
 158 __extension__
 159 extern long long int __strtoll_internal (const char *__restrict __nptr,
 160                                          char **__restrict __endptr,
 161                                          int __base, int __group)
 162      __THROW __nonnull ((1)) __wur;
 163 __extension__
 164 extern unsigned long long int __strtoull_internal (const char *
 165                                                    __restrict __nptr,
 166                                                    char **__restrict __endptr,
 167                                                    int __base, int __group)
 168      __THROW __nonnull ((1)) __wur;
 169 libc_hidden_proto (__strtof_internal)
 170 libc_hidden_proto (__strtod_internal)
 171 libc_hidden_proto (__strtold_internal)
 172 libc_hidden_proto (__strtol_internal)
 173 libc_hidden_proto (__strtoll_internal)
 174 libc_hidden_proto (__strtoul_internal)
 175 libc_hidden_proto (__strtoull_internal)
 176
 177 extern double ____strtod_l_internal (const char *__restrict __nptr,
 178                                      char **__restrict __endptr, int __group,
 179                                      locale_t __loc);
 180 extern float ____strtof_l_internal (const char *__restrict __nptr,
 181                                     char **__restrict __endptr, int __group,
 182                                     locale_t __loc);
 183 extern long double ____strtold_l_internal (const char *__restrict __nptr,
 184                                            char **__restrict __endptr,
 185                                            int __group, locale_t __loc);
 186 extern long int ____strtol_l_internal (const char *__restrict __nptr,
 187                                        char **__restrict __endptr,
 188                                        int __base, int __group,
 189                                        locale_t __loc);
 190 extern unsigned long int ____strtoul_l_internal (const char *
 191                                                  __restrict __nptr,
 192                                                  char **__restrict __endptr,
 193                                                  int __base, int __group,
 194                                                  locale_t __loc);
 195 __extension__
 196 extern long long int ____strtoll_l_internal (const char *__restrict __nptr,
 197                                              char **__restrict __endptr,
 198                                              int __base, int __group,
 199                                              locale_t __loc);
 200 __extension__
 201 extern unsigned long long int ____strtoull_l_internal (const char *
 202                                                        __restrict __nptr,
 203                                                        char **
 204                                                        __restrict __endptr,
 205                                                        int __base, int __group,
 206                                                        locale_t __loc);
 207
 208 libc_hidden_proto (____strtof_l_internal)
 209 libc_hidden_proto (____strtod_l_internal)
 210 libc_hidden_proto (____strtold_l_internal)
 211 libc_hidden_proto (____strtol_l_internal)
 212 libc_hidden_proto (____strtoll_l_internal)
 213 libc_hidden_proto (____strtoul_l_internal)
 214 libc_hidden_proto (____strtoull_l_internal)
 215
 216 #include <bits/floatn.h>
 217 libc_hidden_proto (strtof)
 218 libc_hidden_proto (strtod)
 219 #if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0
 220 libc_hidden_proto (strtold)
 221 #endif
 222 libc_hidden_proto (strtol)
 223 libc_hidden_proto (strtoll)
 224 libc_hidden_proto (strtoul)
 225 libc_hidden_proto (strtoull)
 226
 227 libc_hidden_proto (atoi)
 228
 229 extern float __strtof_nan (const char *, char **, char);
 230 extern double __strtod_nan (const char *, char **, char);
 231 extern long double __strtold_nan (const char *, char **, char);
 232 extern float __wcstof_nan (const wchar_t *, wchar_t **, wchar_t);
 233 extern double __wcstod_nan (const wchar_t *, wchar_t **, wchar_t);
 234 extern long double __wcstold_nan (const wchar_t *, wchar_t **, wchar_t);
 235
 236 libc_hidden_proto (__strtof_nan)
 237 libc_hidden_proto (__strtod_nan)
 238 libc_hidden_proto (__strtold_nan)
 239 libc_hidden_proto (__wcstof_nan)
 240 libc_hidden_proto (__wcstod_nan)
 241 libc_hidden_proto (__wcstold_nan)
 242
 243 /* Enable _FloatN bits as needed.  */
 244 #include <bits/floatn.h>
 245
 246 #if __HAVE_DISTINCT_FLOAT128
 247 extern __typeof (strtof128_l) __strtof128_l;
 248
 249 libc_hidden_proto (__strtof128_l)
 250 libc_hidden_proto (strtof128)
 251
 252 extern _Float128 __strtof128_nan (const char *, char **, char);
 253 extern _Float128 __wcstof128_nan (const wchar_t *, wchar_t **, wchar_t);
 254
 255 libc_hidden_proto (__strtof128_nan)
 256 libc_hidden_proto (__wcstof128_nan)
 257
 258 extern _Float128 __strtof128_internal (const char *__restrict __nptr,
 259                                        char **__restrict __endptr,
 260                                        int __group);
 261 libc_hidden_proto (__strtof128_internal)
 262
 263 extern _Float128 ____strtof128_l_internal (const char *__restrict __nptr,
 264                                            char **__restrict __endptr,
 265                                            int __group, locale_t __loc);
 266
 267 libc_hidden_proto (____strtof128_l_internal)
 268 #endif
 269
 270 extern char *__ecvt (double __value, int __ndigit, int *__restrict __decpt,
 271                      int *__restrict __sign);
 272 extern char *__fcvt (double __value, int __ndigit, int *__restrict __decpt,
 273                      int *__restrict __sign);
 274 extern char *__gcvt (double __value, int __ndigit, char *__buf);
 275 extern int __ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
 276                      int *__restrict __sign, char *__restrict __buf,
 277                      size_t __len);
 278 libc_hidden_proto (__ecvt_r)
 279 extern int __fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
 280                      int *__restrict __sign, char *__restrict __buf,
 281                      size_t __len);
 282 libc_hidden_proto (__fcvt_r)
 283 extern char *__qecvt (long double __value, int __ndigit,
 284                       int *__restrict __decpt, int *__restrict __sign);
 285 extern char *__qfcvt (long double __value, int __ndigit,
 286                       int *__restrict __decpt, int *__restrict __sign);
 287 extern char *__qgcvt (long double __value, int __ndigit, char *__buf);
 288 extern int __qecvt_r (long double __value, int __ndigit,
 289                       int *__restrict __decpt, int *__restrict __sign,
 290                       char *__restrict __buf, size_t __len);
 291 libc_hidden_proto (__qecvt_r)
 292 extern int __qfcvt_r (long double __value, int __ndigit,
 293                       int *__restrict __decpt, int *__restrict __sign,
 294                       char *__restrict __buf, size_t __len);
 295 libc_hidden_proto (__qfcvt_r)
 296
 297 # if IS_IN (libc)
 298 #  undef MB_CUR_MAX
 299 #  define MB_CUR_MAX (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX))
 300 # endif
 301
 302 extern void *__default_morecore (ptrdiff_t) __THROW;
 303 libc_hidden_proto (__default_morecore)
 304
 305 struct abort_msg_s
 306 {
 307   unsigned int size;
 308   char msg[0];
 309 };
 310 extern struct abort_msg_s *__abort_msg;
 311 libc_hidden_proto (__abort_msg)
 312
 313 # if IS_IN (rtld) && !defined NO_RTLD_HIDDEN
 314 extern __typeof (unsetenv) unsetenv attribute_hidden;
 315 extern __typeof (__strtoul_internal) __strtoul_internal attribute_hidden;
 316 # endif
 317
 318 #endif
 319
 320 #endif  /* include/stdlib.h */