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- shrink klogd a bit
text data bss dec hex filename 569 0 0 569 239 sysklogd/klogd.o.orig 537 0 0 537 219 sysklogd/klogd.o
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@ -29,7 +29,7 @@
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#include "busybox.h"
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static void klogd_signal(int sig)
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static void klogd_signal(int sig ATTRIBUTE_UNUSED)
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{
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klogctl(7, NULL, 0);
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klogctl(0, 0, 0);
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@ -38,14 +38,40 @@ static void klogd_signal(int sig)
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exit(EXIT_SUCCESS);
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}
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static void doKlogd(const int console_log_level) ATTRIBUTE_NORETURN;
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static void doKlogd(const int console_log_level)
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#define OPT_LEVEL 1
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#define OPT_FOREGROUND 2
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#define KLOGD_LOGBUF_SIZE 4096
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int klogd_main(int argc, char **argv)
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{
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RESERVE_CONFIG_BUFFER(log_buffer, KLOGD_LOGBUF_SIZE);
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int console_log_level = -1;
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int priority = LOG_INFO;
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char log_buffer[4096];
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int i, n, lastc;
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char *start;
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{
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unsigned long opt;
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/* do normal option parsing */
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opt = bb_getopt_ulflags(argc, argv, "c:n", &start);
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if (opt & OPT_LEVEL) {
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/* Valid levels are between 1 and 8 */
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console_log_level = bb_xgetlarg(start, 10, 1, 8);
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}
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if (!(opt & OPT_FOREGROUND)) {
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#ifdef BB_NOMMU
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vfork_daemon_rexec(0, 1, argc, argv, "-n");
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#else
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bb_xdaemon(0, 1);
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#endif
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}
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}
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openlog("kernel", 0, LOG_KERN);
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/* Set up sig handlers */
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@ -65,12 +91,13 @@ static void doKlogd(const int console_log_level)
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while (1) {
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/* Use kernel syscalls */
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memset(log_buffer, '\0', sizeof(log_buffer));
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n = klogctl(2, log_buffer, sizeof(log_buffer));
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memset(log_buffer, '\0', KLOGD_LOGBUF_SIZE);
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n = klogctl(2, log_buffer, KLOGD_LOGBUF_SIZE);
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if (n < 0) {
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if (errno == EINTR)
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continue;
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syslog(LOG_ERR, "klogd: Error return from sys_sycall: %d - %m.\n", errno);
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syslog(LOG_ERR, "klogd: Error from sys_sycall: %d - %m.\n",
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errno);
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exit(EXIT_FAILURE);
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}
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@ -81,7 +108,7 @@ static void doKlogd(const int console_log_level)
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if (lastc == '\0' && log_buffer[i] == '<') {
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priority = 0;
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i++;
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while (isdigit(log_buffer[i])) {
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while (log_buffer[i] >= '0' && log_buffer[i] <= '9') {
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priority = priority * 10 + (log_buffer[i] - '0');
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i++;
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}
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@ -98,33 +125,8 @@ static void doKlogd(const int console_log_level)
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lastc = log_buffer[i];
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}
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}
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}
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#define OPT_LEVEL 1
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#define OPT_FOREGROUND 2
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int klogd_main(int argc, char **argv)
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{
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unsigned long opt;
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char *c_arg;
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int console_log_level = -1;
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/* do normal option parsing */
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opt = bb_getopt_ulflags (argc, argv, "c:n", &c_arg);
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if (opt & OPT_LEVEL) {
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/* Valid levels are between 1 and 8 */
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console_log_level = bb_xgetlarg(c_arg, 10, 1, 8);
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}
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if (!(opt & OPT_FOREGROUND)) {
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#ifdef BB_NOMMU
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vfork_daemon_rexec(0, 1, argc, argv, "-n");
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#else
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bb_xdaemon(0, 1);
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#endif
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}
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doKlogd(console_log_level);
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if (ENABLE_FEATURE_CLEAN_UP)
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RELEASE_CONFIG_BUFFER(log_buffer);
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return EXIT_SUCCESS;
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}
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