diff options
author | Felix Fietkau <nbd@openwrt.org> | 2008-04-07 00:24:19 +0000 |
---|---|---|
committer | Felix Fietkau <nbd@openwrt.org> | 2008-04-07 00:24:19 +0000 |
commit | 978958a8885182851a07ccc587f91937e7240e96 (patch) | |
tree | 454b9554435d27db2a478d41ec95689c3d455619 /package/nvram/src/shutils.c | |
parent | cc823e6c53a866f1ef9c627e603bff4c65014290 (diff) | |
download | master-31e0f0ae-978958a8885182851a07ccc587f91937e7240e96.tar.gz master-31e0f0ae-978958a8885182851a07ccc587f91937e7240e96.tar.bz2 master-31e0f0ae-978958a8885182851a07ccc587f91937e7240e96.zip |
upgrade to broadcom-wl 4.150.10.5.2
SVN-Revision: 10749
Diffstat (limited to 'package/nvram/src/shutils.c')
-rw-r--r-- | package/nvram/src/shutils.c | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/package/nvram/src/shutils.c b/package/nvram/src/shutils.c deleted file mode 100644 index 49ad41af81..0000000000 --- a/package/nvram/src/shutils.c +++ /dev/null @@ -1,329 +0,0 @@ -/* - * Shell-like utility functions - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <errno.h> -#include <error.h> -#include <fcntl.h> -#include <limits.h> -#include <unistd.h> -#include <signal.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/wait.h> -#include <termios.h> -#include <sys/ioctl.h> -#include <sys/time.h> -#include <net/ethernet.h> - -#include <shutils.h> - -/* - * Reads file and returns contents - * @param fd file descriptor - * @return contents of file or NULL if an error occurred - */ -char * -fd2str(int fd) -{ - char *buf = NULL; - size_t count = 0, n; - - do { - buf = realloc(buf, count + 512); - n = read(fd, buf + count, 512); - if (n < 0) { - free(buf); - buf = NULL; - } - count += n; - } while (n == 512); - - close(fd); - if (buf) - buf[count] = '\0'; - return buf; -} - -/* - * Reads file and returns contents - * @param path path to file - * @return contents of file or NULL if an error occurred - */ -char * -file2str(const char *path) -{ - int fd; - - if ((fd = open(path, O_RDONLY)) == -1) { - perror(path); - return NULL; - } - - return fd2str(fd); -} - -/* - * Waits for a file descriptor to change status or unblocked signal - * @param fd file descriptor - * @param timeout seconds to wait before timing out or 0 for no timeout - * @return 1 if descriptor changed status or 0 if timed out or -1 on error - */ -int -waitfor(int fd, int timeout) -{ - fd_set rfds; - struct timeval tv = { timeout, 0 }; - - FD_ZERO(&rfds); - FD_SET(fd, &rfds); - return select(fd + 1, &rfds, NULL, NULL, (timeout > 0) ? &tv : NULL); -} - -/* - * Concatenates NULL-terminated list of arguments into a single - * commmand and executes it - * @param argv argument list - * @param path NULL, ">output", or ">>output" - * @param timeout seconds to wait before timing out or 0 for no timeout - * @param ppid NULL to wait for child termination or pointer to pid - * @return return value of executed command or errno - */ -int -_eval(char *const argv[], char *path, int timeout, int *ppid) -{ - pid_t pid; - int status; - int fd; - int flags; - int sig; - char buf[254]=""; - int i; - - switch (pid = fork()) { - case -1: /* error */ - perror("fork"); - return errno; - case 0: /* child */ - /* Reset signal handlers set for parent process */ - for (sig = 0; sig < (_NSIG-1); sig++) - signal(sig, SIG_DFL); - - /* Clean up */ - ioctl(0, TIOCNOTTY, 0); - close(STDIN_FILENO); - close(STDOUT_FILENO); - close(STDERR_FILENO); - setsid(); - - /* We want to check the board if exist UART? , add by honor 2003-12-04 */ - if ((fd = open("/dev/console", O_RDWR)) < 0) { - (void) open("/dev/null", O_RDONLY); - (void) open("/dev/null", O_WRONLY); - (void) open("/dev/null", O_WRONLY); - } - else{ - close(fd); - (void) open("/dev/console", O_RDONLY); - (void) open("/dev/console", O_WRONLY); - (void) open("/dev/console", O_WRONLY); - } - - /* Redirect stdout to <path> */ - if (path) { - flags = O_WRONLY | O_CREAT; - if (!strncmp(path, ">>", 2)) { - /* append to <path> */ - flags |= O_APPEND; - path += 2; - } else if (!strncmp(path, ">", 1)) { - /* overwrite <path> */ - flags |= O_TRUNC; - path += 1; - } - if ((fd = open(path, flags, 0644)) < 0) - perror(path); - else { - dup2(fd, STDOUT_FILENO); - close(fd); - } - } - - /* execute command */ - for(i=0 ; argv[i] ; i++) - snprintf(buf+strlen(buf), sizeof(buf), "%s ", argv[i]); - dprintf("cmd=[%s]\n", buf); - setenv("PATH", "/sbin:/bin:/usr/sbin:/usr/bin", 1); - alarm(timeout); - execvp(argv[0], argv); - perror(argv[0]); - exit(errno); - default: /* parent */ - if (ppid) { - *ppid = pid; - return 0; - } else { - waitpid(pid, &status, 0); - if (WIFEXITED(status)) - return WEXITSTATUS(status); - else - return status; - } - } -} - -/* - * Concatenates NULL-terminated list of arguments into a single - * commmand and executes it - * @param argv argument list - * @return stdout of executed command or NULL if an error occurred - */ -char * -_backtick(char *const argv[]) -{ - int filedes[2]; - pid_t pid; - int status; - char *buf = NULL; - - /* create pipe */ - if (pipe(filedes) == -1) { - perror(argv[0]); - return NULL; - } - - switch (pid = fork()) { - case -1: /* error */ - return NULL; - case 0: /* child */ - close(filedes[0]); /* close read end of pipe */ - dup2(filedes[1], 1); /* redirect stdout to write end of pipe */ - close(filedes[1]); /* close write end of pipe */ - execvp(argv[0], argv); - exit(errno); - break; - default: /* parent */ - close(filedes[1]); /* close write end of pipe */ - buf = fd2str(filedes[0]); - waitpid(pid, &status, 0); - break; - } - - return buf; -} - -/* - * Kills process whose PID is stored in plaintext in pidfile - * @param pidfile PID file - * @return 0 on success and errno on failure - */ -int -kill_pidfile(char *pidfile) -{ - FILE *fp = fopen(pidfile, "r"); - char buf[256]; - - if (fp && fgets(buf, sizeof(buf), fp)) { - pid_t pid = strtoul(buf, NULL, 0); - fclose(fp); - return kill(pid, SIGTERM); - } else - return errno; -} - -/* - * fread() with automatic retry on syscall interrupt - * @param ptr location to store to - * @param size size of each element of data - * @param nmemb number of elements - * @param stream file stream - * @return number of items successfully read - */ -int -safe_fread(void *ptr, size_t size, size_t nmemb, FILE *stream) -{ - size_t ret = 0; - - do { - clearerr(stream); - ret += fread((char *)ptr + (ret * size), size, nmemb - ret, stream); - } while (ret < nmemb && ferror(stream) && errno == EINTR); - - return ret; -} - -/* - * fwrite() with automatic retry on syscall interrupt - * @param ptr location to read from - * @param size size of each element of data - * @param nmemb number of elements - * @param stream file stream - * @return number of items successfully written - */ -int -safe_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) -{ - size_t ret = 0; - - do { - clearerr(stream); - ret += fwrite((char *)ptr + (ret * size), size, nmemb - ret, stream); - } while (ret < nmemb && ferror(stream) && errno == EINTR); - - return ret; -} - -/* - * Convert Ethernet address string representation to binary data - * @param a string in xx:xx:xx:xx:xx:xx notation - * @param e binary data - * @return TRUE if conversion was successful and FALSE otherwise - */ -int -ether_atoe(const char *a, unsigned char *e) -{ - char *c = (char *) a; - int i = 0; - - memset(e, 0, ETHER_ADDR_LEN); - for (;;) { - e[i++] = (unsigned char) strtoul(c, &c, 16); - if (!*c++ || i == ETHER_ADDR_LEN) - break; - } - return (i == ETHER_ADDR_LEN); -} - -/* - * Convert Ethernet address binary data to string representation - * @param e binary data - * @param a string in xx:xx:xx:xx:xx:xx notation - * @return a - */ -char * -ether_etoa(const unsigned char *e, char *a) -{ - char *c = a; - int i; - - for (i = 0; i < ETHER_ADDR_LEN; i++) { - if (i) - *c++ = ':'; - c += sprintf(c, "%02X", e[i] & 0xff); - } - return a; -} |