/* * Copyright (C) 2008 The Android Open Source Project * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _STDLIB_H #define _STDLIB_H #include #include #include #include #include #include __BEGIN_DECLS #define EXIT_FAILURE 1 #define EXIT_SUCCESS 0 __noreturn void abort(void) __attribute__((__nomerge__)); __noreturn void exit(int __status); __noreturn void _Exit(int __status); int atexit(void (* _Nonnull __fn)(void)); int at_quick_exit(void (* _Nonnull __fn)(void)); void quick_exit(int __status) __noreturn; char* _Nullable getenv(const char* _Nonnull __name); int putenv(char* _Nonnull __assignment); int setenv(const char* _Nonnull __name, const char* _Nonnull __value, int __overwrite); int unsetenv(const char* _Nonnull __name); int clearenv(void); char* _Nullable mkdtemp(char* _Nonnull __template); char* _Nullable mktemp(char* _Nonnull __template) __attribute__((__deprecated__("mktemp is unsafe, use mkstemp or tmpfile instead"))); int mkostemp64(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23); int mkostemp(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23); int mkostemps64(char* _Nonnull __template, int __suffix_length, int __flags) __INTRODUCED_IN(23); int mkostemps(char* _Nonnull __template, int __suffix_length, int __flags) __INTRODUCED_IN(23); int mkstemp64(char* _Nonnull __template); int mkstemp(char* _Nonnull __template); int mkstemps64(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23); int mkstemps(char* _Nonnull __template, int __flags); long strtol(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base); long long strtoll(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base); unsigned long strtoul(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base); unsigned long long strtoull(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base); int posix_memalign(void* _Nullable * _Nullable __memptr, size_t __alignment, size_t __size); void* _Nullable aligned_alloc(size_t __alignment, size_t __size) __INTRODUCED_IN(28); double strtod(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr); long double strtold(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr); unsigned long strtoul_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l) __INTRODUCED_IN(26); int atoi(const char* _Nonnull __s) __attribute_pure__; long atol(const char* _Nonnull __s) __attribute_pure__; long long atoll(const char* _Nonnull __s) __attribute_pure__; __wur char* _Nullable realpath(const char* _Nonnull __path, char* _Nullable __resolved); /** * [system(3)](http://man7.org/linux/man-pages/man3/system.3.html) executes * the given command in a new shell process. * * On Android, the special case of `system(NULL)` always returns 1, * as specified by POSIX. Passing `NULL` to determine whether or * not a shell is available is not portable. Callers should just try * the command they actually want to run, since there are many reasons * why it might fail, both temporarily (for lack of resources, say) * or permanently (for lack of permission, say). * * Returns -1 and sets errno if process creation fails; returns a * [waitpid(2)](http://man7.org/linux/man-pages/man2/waitpid.2.html) * status otherwise. */ int system(const char* _Nonnull __command); /** * [bsearch(3)](http://man7.org/linux/man-pages/man3/bsearch.3.html) searches * a sorted array. * * Returns a pointer to a matching item on success, * or NULL if no matching item is found. */ __wur void* _Nullable bsearch(const void* _Nonnull __key, const void* _Nullable __base, size_t __nmemb, size_t __size, int (* _Nonnull __comparator)(const void* _Nonnull __lhs, const void* _Nonnull __rhs)); void qsort(void* _Nullable __base, size_t __nmemb, size_t __size, int (* _Nonnull __comparator)(const void* _Nullable __lhs, const void* _Nullable __rhs)); uint32_t arc4random(void); uint32_t arc4random_uniform(uint32_t __upper_bound); void arc4random_buf(void* _Nonnull __buf, size_t __n); #define RAND_MAX 0x7fffffff int rand_r(unsigned int* _Nonnull __seed_ptr); double drand48(void); double erand48(unsigned short __xsubi[_Nonnull 3]); long jrand48(unsigned short __xsubi[_Nonnull 3]); void lcong48(unsigned short __param[_Nonnull 7]) __INTRODUCED_IN(23); long lrand48(void); long mrand48(void); long nrand48(unsigned short __xsubi[_Nonnull 3]); unsigned short* _Nonnull seed48(unsigned short __seed16v[_Nonnull 3]); void srand48(long __seed); char* _Nullable initstate(unsigned int __seed, char* _Nonnull __state, size_t __n); char* _Nullable setstate(char* _Nonnull __state); int getpt(void); int posix_openpt(int __flags); char* _Nullable ptsname(int __fd); int ptsname_r(int __fd, char* _Nonnull __buf, size_t __n); int unlockpt(int __fd); int getsubopt(char* _Nonnull * _Nonnull __option, char* _Nonnull const* _Nonnull __tokens, char* _Nullable * _Nonnull __value_ptr) __INTRODUCED_IN(26); typedef struct { int quot; int rem; } div_t; div_t div(int __numerator, int __denominator) __attribute_const__; typedef struct { long int quot; long int rem; } ldiv_t; ldiv_t ldiv(long __numerator, long __denominator) __attribute_const__; typedef struct { long long int quot; long long int rem; } lldiv_t; lldiv_t lldiv(long long __numerator, long long __denominator) __attribute_const__; /** * [getloadavg(3)](http://man7.org/linux/man-pages/man3/getloadavg.3.html) queries the * number of runnable processes averaged over time. The Linux kernel supports averages * over the last 1, 5, and 15 minutes. * * Returns the number of samples written to `__averages` (at most 3), and returns -1 on failure. */ int getloadavg(double __averages[_Nonnull], int __n) __INTRODUCED_IN(29); /* BSD compatibility. */ const char* _Nullable getprogname(void); void setprogname(const char* _Nonnull __name); int mblen(const char* _Nullable __s, size_t __n) __INTRODUCED_IN_NO_GUARD_FOR_NDK(26); size_t mbstowcs(wchar_t* _Nullable __dst, const char* _Nullable __src, size_t __n); int mbtowc(wchar_t* _Nullable __wc_ptr, const char* _Nullable __s, size_t __n); int wctomb(char* _Nullable __dst, wchar_t __wc); size_t wcstombs(char* _Nullable __dst, const wchar_t* _Nullable __src, size_t __n); size_t __ctype_get_mb_cur_max(void); #define MB_CUR_MAX __ctype_get_mb_cur_max() #if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS) #include #endif int abs(int __x) __attribute_const__; long labs(long __x) __attribute_const__; long long llabs(long long __x) __attribute_const__; float strtof(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr); double atof(const char* _Nonnull __s) __attribute_pure__; int rand(void); void srand(unsigned int __seed); long random(void); void srandom(unsigned int __seed); int grantpt(int __fd); long long strtoll_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l); unsigned long long strtoull_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l); long double strtold_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l); #if __ANDROID_API__ >= 26 double strtod_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l) __INTRODUCED_IN(26); float strtof_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l) __INTRODUCED_IN(26); long strtol_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int, locale_t _Nonnull __l) __INTRODUCED_IN(26); #else // Implemented as static inlines before 26. #endif __END_DECLS #include #endif /* _STDLIB_H */