diff options
| author | Alex Crichton <alex@alexcrichton.com> | 2015-12-02 10:31:29 -0800 |
|---|---|---|
| committer | Alex Crichton <alex@alexcrichton.com> | 2015-12-21 22:12:48 -0800 |
| commit | 2f42ac438ef4bc2773f5ac0a55ae45b08e575b17 (patch) | |
| tree | f91aed3b3f838305d24f1d25441ec22dc6ab995d /src/rt | |
| parent | 2343a92a908901958c8207d6d0430a2e59ab0a9c (diff) | |
std: Remove rust_builtin C support library
All these definitions can now be written in Rust, so do so!
Diffstat (limited to 'src/rt')
| -rw-r--r-- | src/rt/rust_android_dummy.c | 112 | ||||
| -rw-r--r-- | src/rt/rust_builtin.c | 470 |
2 files changed, 0 insertions, 582 deletions
diff --git a/src/rt/rust_android_dummy.c b/src/rt/rust_android_dummy.c deleted file mode 100644 index c322dc6706f..00000000000 --- a/src/rt/rust_android_dummy.c +++ /dev/null @@ -1,112 +0,0 @@ -// Copyright (c) 2011 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifdef __ANDROID__ - -#include "rust_android_dummy.h" -#include <math.h> -#include <errno.h> - -int backtrace(void **array, int size) { return 0; } - -char **backtrace_symbols(void *const *array, int size) { return 0; } - -void backtrace_symbols_fd (void *const *array, int size, int fd) {} - -volatile int* __errno_location() { - return &errno; -} - -float log2f(float f) -{ - return logf( f ) / logf( 2 ); -} - -double log2( double n ) -{ - return log( n ) / log( 2 ); -} - -double exp10( double x ) -{ - return pow( 10, x ); -} - -void telldir() -{ -} - -void seekdir() -{ -} - -void mkfifo() -{ -} - -void abs() -{ -} - -void labs() -{ -} - -void rand() -{ -} - -void srand() -{ -} - -void atof() -{ -} - -int glob(const char *pattern, - int flags, - int (*errfunc) (const char *epath, int eerrno), - glob_t *pglob) -{ - return 0; -} - -void globfree(glob_t *pglob) -{ -} - -int pthread_atfork(void (*prefork)(void), - void (*postfork_parent)(void), - void (*postfork_child)(void)) -{ - return 0; -} - -int mlockall(int flags) -{ - return 0; -} - -int munlockall(void) -{ - return 0; -} - -int shm_open(const char *name, int oflag, mode_t mode) -{ - return 0; -} - -int shm_unlink(const char *name) -{ - return 0; -} - -int posix_madvise(void *addr, size_t len, int advice) -{ - return 0; -} - -#endif diff --git a/src/rt/rust_builtin.c b/src/rt/rust_builtin.c deleted file mode 100644 index c2168d785b9..00000000000 --- a/src/rt/rust_builtin.c +++ /dev/null @@ -1,470 +0,0 @@ -// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -#if !defined(_WIN32) - -#include <stdint.h> -#include <time.h> -#include <string.h> -#include <assert.h> -#include <stdlib.h> - - -#include <dirent.h> -#include <pthread.h> -#include <signal.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <sys/types.h> -#include <unistd.h> - -#ifdef __APPLE__ -#include <TargetConditionals.h> -#include <mach/mach_time.h> - -#if !(TARGET_OS_IPHONE) -#include <crt_externs.h> -#endif -#endif - -char* -rust_list_dir_val(struct dirent* entry_ptr) { - return entry_ptr->d_name; -} - -// Android's struct dirent does have d_type from the very beginning -// (android-3). _DIRENT_HAVE_D_TYPE is not defined all the way to android-21 -// though... -#if defined(__ANDROID__) -# define _DIRENT_HAVE_D_TYPE -#endif - -int -rust_dir_get_mode(struct dirent* entry_ptr) { -#if defined(_DIRENT_HAVE_D_TYPE) || defined(__APPLE__) - switch (entry_ptr->d_type) { - case DT_BLK: return S_IFBLK; - case DT_CHR: return S_IFCHR; - case DT_FIFO: return S_IFIFO; - case DT_LNK: return S_IFLNK; - case DT_REG: return S_IFREG; - case DT_SOCK: return S_IFSOCK; - case DT_DIR: return S_IFDIR; - } -#endif - return -1; -} - -ino_t -rust_dir_get_ino(struct dirent* entry_ptr) { - return entry_ptr->d_ino; -} - -DIR* -rust_opendir(char *dirname) { - return opendir(dirname); -} - -int -rust_readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result) { - return readdir_r(dirp, entry, result); -} - -size_t -rust_dirent_t_size() { - return sizeof(struct dirent); -} - -#if defined(__BSD__) -static int -get_num_cpus() { - /* swiped from http://stackoverflow.com/questions/150355/ - programmatically-find-the-number-of-cores-on-a-machine */ - - unsigned int numCPU; - int mib[4]; - size_t len = sizeof(numCPU); - - /* set the mib for hw.ncpu */ - mib[0] = CTL_HW; - mib[1] = HW_AVAILCPU; // alternatively, try HW_NCPU; - - /* get the number of CPUs from the system */ - sysctl(mib, 2, &numCPU, &len, NULL, 0); - - if( numCPU < 1 ) { - mib[1] = HW_NCPU; - sysctl( mib, 2, &numCPU, &len, NULL, 0 ); - - if( numCPU < 1 ) { - numCPU = 1; - } - } - return numCPU; -} -#elif defined(__GNUC__) -static int -get_num_cpus() { - return sysconf(_SC_NPROCESSORS_ONLN); -} -#endif - -uintptr_t -rust_get_num_cpus() { - return get_num_cpus(); -} - -#if defined(__DragonFly__) -#include <errno.h> -// In DragonFly __error() is an inline function and as such -// no symbol exists for it. -int *__dfly_error(void) { return __error(); } -#endif - -#if defined(__Bitrig__) -#include <stdio.h> -#include <sys/param.h> -#include <sys/sysctl.h> -#include <limits.h> - -int rust_get_path(void *p, size_t* sz) -{ - int mib[4]; - char *eq = NULL; - char *key = NULL; - char *val = NULL; - char **menv = NULL; - size_t maxlen, len; - int nenv = 0; - int i; - - if ((p == NULL) && (sz == NULL)) - return -1; - - /* get the argv array */ - mib[0] = CTL_KERN; - mib[1] = KERN_PROC_ARGS; - mib[2] = getpid(); - mib[3] = KERN_PROC_ENV; - - /* get the number of bytes needed to get the env */ - maxlen = 0; - if (sysctl(mib, 4, NULL, &maxlen, NULL, 0) == -1) - return -1; - - /* allocate the buffer */ - if ((menv = calloc(maxlen, sizeof(char))) == NULL) - return -1; - - /* get the env array */ - if (sysctl(mib, 4, menv, &maxlen, NULL, 0) == -1) - { - free(menv); - return -1; - } - - mib[3] = KERN_PROC_NENV; - len = sizeof(int); - /* get the length of env array */ - if (sysctl(mib, 4, &nenv, &len, NULL, 0) == -1) - { - free(menv); - return -1; - } - - /* find _ key and resolve the value */ - for (i = 0; i < nenv; i++) - { - if ((eq = strstr(menv[i], "=")) == NULL) - continue; - - key = menv[i]; - val = eq + 1; - *eq = '\0'; - - if (strncmp(key, "PATH", maxlen) != 0) - continue; - - if (p == NULL) - { - /* return the length of the value + NUL */ - *sz = strnlen(val, maxlen) + 1; - free(menv); - return 0; - } - else - { - /* copy *sz bytes to the output buffer */ - memcpy(p, val, *sz); - free(menv); - return 0; - } - } - - free(menv); - return -1; -} - -int rust_get_path_array(void * p, size_t * sz) -{ - char *path, *str; - char **buf; - int i, num; - size_t len; - - if ((p == NULL) && (sz == NULL)) - return -1; - - /* get the length of the PATH value */ - if (rust_get_path(NULL, &len) == -1) - return -1; - - if (len == 0) - return -1; - - /* allocate the buffer */ - if ((path = calloc(len, sizeof(char))) == NULL) - return -1; - - /* get the PATH value */ - if (rust_get_path(path, &len) == -1) - { - free(path); - return -1; - } - - /* count the number of parts in the PATH */ - num = 1; - for(str = path; *str != '\0'; str++) - { - if (*str == ':') - num++; - } - - /* calculate the size of the buffer for the 2D array */ - len = (num * sizeof(char*) + 1) + strlen(path) + 1; - - if (p == NULL) - { - free(path); - *sz = len; - return 0; - } - - /* make sure we have enough buffer space */ - if (*sz < len) - { - free(path); - return -1; - } - - /* zero out the buffer */ - buf = (char**)p; - memset(buf, 0, *sz); - - /* copy the data into the right place */ - str = p + ((num+1) * sizeof(char*)); - memcpy(str, path, strlen(path)); - - /* parse the path into it's parts */ - for (i = 0; i < num && (buf[i] = strsep(&str, ":")) != NULL; i++) {;} - buf[num] = NULL; - - free(path); - return 0; -} - -int rust_get_argv_zero(void* p, size_t* sz) -{ - int mib[4]; - char **argv = NULL; - size_t len; - - if ((p == NULL) && (sz == NULL)) - return -1; - - /* get the argv array */ - mib[0] = CTL_KERN; - mib[1] = KERN_PROC_ARGS; - mib[2] = getpid(); - mib[3] = KERN_PROC_ARGV; - - /* request KERN_PROC_ARGV size */ - len = 0; - if (sysctl(mib, 4, NULL, &len, NULL, 0) == -1) - return -1; - - /* allocate buffer to receive the values */ - if ((argv = malloc(len)) == NULL) - return -1; - - /* get the argv array */ - if (sysctl(mib, 4, argv, &len, NULL, 0) == -1) - { - free(argv); - return -1; - } - - /* get length of argv[0] */ - len = strnlen(argv[0], len) + 1; - - if (p == NULL) - { - *sz = len; - free(argv); - return 0; - } - - if (*sz < len) - { - free(argv); - return -1; - } - - memcpy(p, argv[0], len); - free(argv); - return 0; -} - -const char * rust_current_exe() -{ - static char *self = NULL; - char *argv0; - char **paths; - size_t sz; - int i; - /* If `PATH_MAX` is defined on the platform, `realpath` will truncate the - * resolved path up to `PATH_MAX`. While this can make the resolution fail if - * the executable is placed in a deep path, the usage of a buffer whose - * length depends on `PATH_MAX` is still memory safe. */ - char buf[2*PATH_MAX], exe[PATH_MAX]; - - if (self != NULL) - return self; - - if (rust_get_argv_zero(NULL, &sz) == -1) - return NULL; - if ((argv0 = calloc(sz, sizeof(char))) == NULL) - return NULL; - if (rust_get_argv_zero(argv0, &sz) == -1) - { - free(argv0); - return NULL; - } - - /* if argv0 is a relative or absolute path, resolve it with realpath */ - if ((*argv0 == '.') || (*argv0 == '/') || (strstr(argv0, "/") != NULL)) - { - self = realpath(argv0, NULL); - free(argv0); - return self; - } - - /* get the path array */ - if (rust_get_path_array(NULL, &sz) == -1) - { - free(argv0); - return NULL; - } - if ((paths = calloc(sz, sizeof(char))) == NULL) - { - free(argv0); - return NULL; - } - if (rust_get_path_array(paths, &sz) == -1) - { - free(argv0); - free(paths); - return NULL; - } - - for(i = 0; paths[i] != NULL; i++) - { - snprintf(buf, 2*PATH_MAX, "%s/%s", paths[i], argv0); - if (realpath(buf, exe) == NULL) - continue; - - if (access(exe, F_OK | X_OK) == -1) - continue; - - self = strdup(exe); - free(argv0); - free(paths); - return self; - } - - free(argv0); - free(paths); - return NULL; -} - -#elif defined(__OpenBSD__) - -#include <sys/param.h> -#include <sys/sysctl.h> -#include <limits.h> - -const char * rust_current_exe() { - static char *self = NULL; - - if (self == NULL) { - int mib[4]; - char **argv = NULL; - size_t argv_len; - - /* initialize mib */ - mib[0] = CTL_KERN; - mib[1] = KERN_PROC_ARGS; - mib[2] = getpid(); - mib[3] = KERN_PROC_ARGV; - - /* request KERN_PROC_ARGV size */ - argv_len = 0; - if (sysctl(mib, 4, NULL, &argv_len, NULL, 0) == -1) - return (NULL); - - /* allocate size */ - if ((argv = malloc(argv_len)) == NULL) - return (NULL); - - /* request KERN_PROC_ARGV */ - if (sysctl(mib, 4, argv, &argv_len, NULL, 0) == -1) { - free(argv); - return (NULL); - } - - /* get realpath if possible */ - if ((argv[0] != NULL) && ((*argv[0] == '.') || (*argv[0] == '/') - || (strstr(argv[0], "/") != NULL))) - - self = realpath(argv[0], NULL); - else - self = NULL; - - /* cleanup */ - free(argv); - } - - return (self); -} - -#endif - -#endif // !defined(_WIN32) - -// -// Local Variables: -// mode: C++ -// fill-column: 78; -// indent-tabs-mode: nil -// c-basic-offset: 4 -// buffer-file-coding-system: utf-8-unix -// End: -// |
