diff options
Diffstat (limited to 'futility/futility.c')
| -rw-r--r-- | futility/futility.c | 336 |
1 files changed, 168 insertions, 168 deletions
diff --git a/futility/futility.c b/futility/futility.c index a16beeb1..3496cdc2 100644 --- a/futility/futility.c +++ b/futility/futility.c @@ -28,7 +28,7 @@ /******************************************************************************/ -static const char * const usage= "\n\ +static const char *const usage = "\n\ Usage: " MYNAME " PROGRAM|COMMAND [args...]\n\ \n\ This is the unified firmware utility, which will eventually replace\n\ @@ -45,25 +45,26 @@ In either case it will append some usage information to " LOGFILE "\n\ static int do_help(int argc, char *argv[]) { - const struct futil_cmd_t * const *cmd; - int i; + const struct futil_cmd_t *const *cmd; + int i; - fputs(usage, stdout); + fputs(usage, stdout); - printf("The following commands are built-in:\n\n"); + printf("The following commands are built-in:\n\n"); - for (cmd = futil_cmds; *cmd; cmd++) - printf(" %-20s %s\n", (*cmd)->name, (*cmd)->shorthelp); - printf("\n"); + for (cmd = futil_cmds; *cmd; cmd++) + printf(" %-20s %s\n", (*cmd)->name, (*cmd)->shorthelp); + printf("\n"); - if (argc) { - printf("FYI, you added these args that I'm ignoring:\n"); - for (i = 0; i < argc; i++) - printf("argv[%d] = %s\n", i, argv[i]); - } + if (argc) { + printf("FYI, you added these args that I'm ignoring:\n"); + for (i = 0; i < argc; i++) + printf("argv[%d] = %s\n", i, argv[i]); + } - return 0; + return 0; } + DECLARE_FUTIL_COMMAND(help, do_help, "Show a bit of help (you're looking at it)"); @@ -71,11 +72,11 @@ DECLARE_FUTIL_COMMAND(help, do_help, * These are built-in functions that we'd like to abandon completely someday. * TODO: If no one complains, get rid of them. */ -static const char * const dep_cmds[] = { - "dev_sign_file", +static const char *const dep_cmds[] = { + "dev_sign_file", }; -static const char * const dep_usage= "\n\ +static const char *const dep_usage = "\n\ The program \"%s\" is deprecated and may go away soon.\n\ \n\ If you feel this is in error, please open a bug at\n\ @@ -89,8 +90,8 @@ In the meantime, you may continue to use the program by invoking it as\n\ static void deprecated(const char *depname) { - fprintf(stderr, dep_usage, depname, depname); - exit(1); + fprintf(stderr, dep_usage, depname, depname); + exit(1); } /******************************************************************************/ @@ -101,188 +102,187 @@ static int log_fd = -1; /* Write the string and a newline. Silently give up on errors */ static void log_str(char *str) { - int len, done, n; + int len, done, n; - if (log_fd < 0) - return; + if (log_fd < 0) + return; - if (!str) - str = "(NULL)"; + if (!str) + str = "(NULL)"; - len = strlen(str); - if (len == 0) { - str = "(EMPTY)"; - len = strlen(str); - } + len = strlen(str); + if (len == 0) { + str = "(EMPTY)"; + len = strlen(str); + } - for (done = 0; done < len; done += n) { - n = write(log_fd, str + done, len - done); - if (n < 0) - return; - } + for (done = 0; done < len; done += n) { + n = write(log_fd, str + done, len - done); + if (n < 0) + return; + } - if (write(log_fd, "\n", 1) < 0) - return; + if (write(log_fd, "\n", 1) < 0) + return; } static void log_close(void) { - struct flock lock; - - if (log_fd >= 0) { - memset(&lock, 0, sizeof(lock)); - lock.l_type = F_UNLCK; - lock.l_whence = SEEK_SET; - if (fcntl(log_fd, F_SETLKW, &lock)) - perror("Unable to unlock log file"); - - close(log_fd); - log_fd = -1; - } + struct flock lock; + + if (log_fd >= 0) { + memset(&lock, 0, sizeof(lock)); + lock.l_type = F_UNLCK; + lock.l_whence = SEEK_SET; + if (fcntl(log_fd, F_SETLKW, &lock)) + perror("Unable to unlock log file"); + + close(log_fd); + log_fd = -1; + } } static void log_open(void) { - struct flock lock; - int ret; + struct flock lock; + int ret; #ifdef FORCE_LOGGING_ON - log_fd = open(LOGFILE, O_WRONLY|O_APPEND|O_CREAT, 0666); + log_fd = open(LOGFILE, O_WRONLY | O_APPEND | O_CREAT, 0666); #else - log_fd = open(LOGFILE, O_WRONLY|O_APPEND); + log_fd = open(LOGFILE, O_WRONLY | O_APPEND); #endif - if (log_fd < 0) { + if (log_fd < 0) { - if (errno != EACCES) - return; + if (errno != EACCES) + return; - /* Permission problems should improve shortly ... */ - sleep(1); - log_fd = open(LOGFILE, O_WRONLY|O_APPEND|O_CREAT, 0666); - if (log_fd < 0) /* Nope, they didn't */ - return; - } + /* Permission problems should improve shortly ... */ + sleep(1); + log_fd = open(LOGFILE, O_WRONLY | O_APPEND | O_CREAT, 0666); + if (log_fd < 0) /* Nope, they didn't */ + return; + } - /* Let anyone have a turn */ - fchmod(log_fd, 0666); + /* Let anyone have a turn */ + fchmod(log_fd, 0666); - /* But only one at a time */ - memset(&lock, 0, sizeof(lock)); - lock.l_type = F_WRLCK; - lock.l_whence = SEEK_END; + /* But only one at a time */ + memset(&lock, 0, sizeof(lock)); + lock.l_type = F_WRLCK; + lock.l_whence = SEEK_END; - ret = fcntl(log_fd, F_SETLKW, &lock); /* this blocks */ - if (ret < 0) - log_close(); + ret = fcntl(log_fd, F_SETLKW, &lock); /* this blocks */ + if (ret < 0) + log_close(); } #define CALLER_PREFIX "CALLER:" static void log_args(int argc, char *argv[]) { - int i; - ssize_t r; - pid_t parent; - char buf[80]; - char str_caller[PATH_MAX + sizeof(CALLER_PREFIX)] = CALLER_PREFIX; - char *truename = str_caller + sizeof(CALLER_PREFIX) - 1; - /* Note: truename starts on the \0 from CALLER_PREFIX, so we can write - * PATH_MAX chars into truename and still append a \0 at the end. */ - - log_open(); - - /* delimiter */ - log_str("##### HEY #####"); - - /* Can we tell who called us? */ - parent = getppid(); - snprintf(buf, sizeof(buf), "/proc/%d/exe", parent); - r = readlink(buf, truename, PATH_MAX); - if (r >= 0) { - truename[r] = '\0'; - log_str(str_caller); - } - - /* Now log the stuff about ourselves */ - for (i = 0; i < argc; i++) - log_str(argv[i]); - - log_close(); + int i; + ssize_t r; + pid_t parent; + char buf[80]; + char str_caller[PATH_MAX + sizeof(CALLER_PREFIX)] = CALLER_PREFIX; + char *truename = str_caller + sizeof(CALLER_PREFIX) - 1; + /* Note: truename starts on the \0 from CALLER_PREFIX, so we can write + * PATH_MAX chars into truename and still append a \0 at the end. */ + + log_open(); + + /* delimiter */ + log_str("##### HEY #####"); + + /* Can we tell who called us? */ + parent = getppid(); + snprintf(buf, sizeof(buf), "/proc/%d/exe", parent); + r = readlink(buf, truename, PATH_MAX); + if (r >= 0) { + truename[r] = '\0'; + log_str(str_caller); + } + + /* Now log the stuff about ourselves */ + for (i = 0; i < argc; i++) + log_str(argv[i]); + + log_close(); } - /******************************************************************************/ /* Here we go */ int main(int argc, char *argv[], char *envp[]) { - char *fullname, *progname; - char truename[PATH_MAX]; - char buf[80]; - pid_t myproc; - ssize_t r; - const struct futil_cmd_t * const *cmd; - int i; - int via_symlink = 0; - - log_args(argc, argv); - - /* How were we invoked? */ - fullname = strdup(argv[0]); - progname = strrchr(argv[0], '/'); - if (progname) - progname++; - else - progname = argv[0]; - - /* Invoked directly by name */ - if (0 == strcmp(progname, MYNAME) || 0 == strcmp(progname, MYNAME_S)) { - if (argc < 2) { /* must have an argument */ - do_help(0, 0); - exit(1); - } - - /* We can just pass the rest along, then */ - argc--; - argv++; - - /* So now what function do we want to invoke? */ - progname = strrchr(argv[0], '/'); - if (progname) - progname++; - else - progname = argv[0]; - } else { /* Invoked by symlink */ - via_symlink = 1; - /* Block any deprecated functions. */ - for (i = 0; i < ARRAY_SIZE(dep_cmds); i++) - if (0 == strcmp(dep_cmds[i], progname)) - deprecated(progname); - } - - /* See if it's asking for something we know how to do ourselves */ - for (cmd = futil_cmds; *cmd; cmd++) - if (0 == strcmp((*cmd)->name, progname)) - return (*cmd)->handler(argc, argv); - - /* Nope */ - if (!via_symlink) { - do_help(0, 0); - exit(1); - } - - /* Complain about bogus symlink */ - - myproc = getpid(); - snprintf(buf, sizeof(buf), "/proc/%d/exe", myproc); - r = readlink(buf, truename, PATH_MAX - 1); - if (r < 0) { - fprintf(stderr, "%s is lost: %s => %s: %s\n", MYNAME, argv[0], - buf, strerror(errno)); - exit(1); - } - truename[r] = '\0'; - - fprintf(stderr, "\n\ + char *fullname, *progname; + char truename[PATH_MAX]; + char buf[80]; + pid_t myproc; + ssize_t r; + const struct futil_cmd_t *const *cmd; + int i; + int via_symlink = 0; + + log_args(argc, argv); + + /* How were we invoked? */ + fullname = strdup(argv[0]); + progname = strrchr(argv[0], '/'); + if (progname) + progname++; + else + progname = argv[0]; + + /* Invoked directly by name */ + if (0 == strcmp(progname, MYNAME) || 0 == strcmp(progname, MYNAME_S)) { + if (argc < 2) { /* must have an argument */ + do_help(0, 0); + exit(1); + } + + /* We can just pass the rest along, then */ + argc--; + argv++; + + /* So now what function do we want to invoke? */ + progname = strrchr(argv[0], '/'); + if (progname) + progname++; + else + progname = argv[0]; + } else { /* Invoked by symlink */ + via_symlink = 1; + /* Block any deprecated functions. */ + for (i = 0; i < ARRAY_SIZE(dep_cmds); i++) + if (0 == strcmp(dep_cmds[i], progname)) + deprecated(progname); + } + + /* See if it's asking for something we know how to do ourselves */ + for (cmd = futil_cmds; *cmd; cmd++) + if (0 == strcmp((*cmd)->name, progname)) + return (*cmd)->handler(argc, argv); + + /* Nope */ + if (!via_symlink) { + do_help(0, 0); + exit(1); + } + + /* Complain about bogus symlink */ + + myproc = getpid(); + snprintf(buf, sizeof(buf), "/proc/%d/exe", myproc); + r = readlink(buf, truename, PATH_MAX - 1); + if (r < 0) { + fprintf(stderr, "%s is lost: %s => %s: %s\n", MYNAME, argv[0], + buf, strerror(errno)); + exit(1); + } + truename[r] = '\0'; + + fprintf(stderr, "\n\ The program\n\n %s\n\nis a symlink to\n\n %s\n\ \n\ However, " MYNAME " doesn't know how to implement that function.\n\ @@ -292,5 +292,5 @@ after a fresh checkout/build/install, please open a bug at\n\ \n\ http://dev.chromium.org/for-testers/bug-reporting-guidelines\n\ \n", fullname, truename); - return 1; + return 1; } |