* log.[ch] : rename functions, add loglevel limiting

src/filelist.c

@@ -37,7 +37,7 @@ f2b_filelist_from_glob(const char *pattern) {
     if ((file = calloc(1, sizeof(f2b_logfile_t))) == NULL)
       continue;
     if (f2b_logfile_open(file, globbuf.gl_pathv[i]) == false) {
-      log_msg(log_error, "can't open file: %s: %s", globbuf.gl_pathv[i], strerror(errno));
+      f2b_log_msg(log_error, "can't open file: %s: %s", globbuf.gl_pathv[i], strerror(errno));
       FREE(file);
       continue;
     }

src/log.c

@@ -7,6 +7,8 @@
 
 #define LOGLINE_MAX 1024
 
+static log_msgtype_t minlevel = log_info;
+
 static const char *loglevels[] = {
   "debug",
   "info",
@@ -15,11 +17,14 @@ static const char *loglevels[] = {
   "fatal",
 };
 
-void log_msg(log_msgtype_t l, const char *fmt, ...) {
+void f2b_log_msg(log_msgtype_t l, const char *fmt, ...) {
   va_list args;
   char line[LOGLINE_MAX] = "";
   char msg[LOGLINE_MAX]  = "";
 
+  if (l < minlevel)
+    return;
+
   va_start(args, fmt);
   snprintf(msg, sizeof(msg), fmt, args);
   va_end(args);
@@ -27,3 +32,11 @@ void log_msg(log_msgtype_t l, const char *fmt, ...) {
 
   return;
 }
+
+void f2b_log_set_level(const char *level) {
+  if (strcmp(level, "debug") == 0) { minlevel = log_debug; return; }
+  if (strcmp(level, "info")  == 0) { minlevel = log_info;  return; }
+  if (strcmp(level, "warn")  == 0) { minlevel = log_warn;  return; }
+  if (strcmp(level, "error") == 0) { minlevel = log_error; return; }
+  if (strcmp(level, "fatal") == 0) { minlevel = log_fatal; return; }
+}

src/log.h

@@ -9,6 +9,7 @@ typedef enum {
   log_fatal = 4
 } log_msgtype_t;
 
-void log_msg (log_msgtype_t l, const char *fmt, ...);
+void f2b_log_msg(log_msgtype_t l, const char *fmt, ...);
+void f2b_log_set_level(const char *level);
 
 #endif /* F2B_LOG_H_ */