添加信号处理

src/utils.c

@@ -0,0 +1,34 @@
+#include "utils.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include "config.h"
+
+const char *current_time_str(void) {
+  static char buffer[25];
+  time_t now;
+  struct tm tm;
+
+  time(&now);
+  localtime_r(&now, &tm);
+  if (!strftime(buffer, sizeof(buffer), "%Y-%m-%d %T", &tm)) buffer[0] = '\0';
+
+  return buffer;
+}
+
+/** Print error and exit with EXIT_FAILURE code.
+ */
+void _fatal(int line, const char *fct, const char *file, const char *fmt, ...) {
+  va_list ap;
+
+  va_start(ap, fmt);
+  const char *format = "(EE) [%s] %s\n%s:%d:%s:\n";
+  fprintf(stderr, format, APP_NAME, current_time_str(), file, line, fct);
+  vfprintf(stderr, fmt, ap);
+  va_end(ap);
+  fprintf(stderr, "\n");
+  exit(EXIT_FAILURE);
+}