Make tests work on public repo as well

PUBLISHED_FROM=78acb18d597b6f47f31da13087fa6685f21ce445

src/common/cs_dbg.c

@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2014-2016 Cesanta Software Limited
+ * All rights reserved
+ */
+
+#include "common/cs_dbg.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "common/cs_time.h"
+#include "common/str_util.h"
+
+enum cs_log_level cs_log_threshold WEAK =
+#if CS_ENABLE_DEBUG
+    LL_VERBOSE_DEBUG;
+#else
+    LL_ERROR;
+#endif
+
+static char *s_filter_pattern = NULL;
+static size_t s_filter_pattern_len;
+
+void cs_log_set_filter(const char *pattern) WEAK;
+
+#if CS_ENABLE_STDIO
+
+FILE *cs_log_file WEAK = NULL;
+
+#if CS_LOG_ENABLE_TS_DIFF
+double cs_log_ts WEAK;
+#endif
+
+enum cs_log_level cs_log_cur_msg_level WEAK = LL_NONE;
+
+void cs_log_set_filter(const char *pattern) {
+  free(s_filter_pattern);
+  if (pattern != NULL) {
+    s_filter_pattern = strdup(pattern);
+    s_filter_pattern_len = strlen(pattern);
+  } else {
+    s_filter_pattern = NULL;
+    s_filter_pattern_len = 0;
+  }
+}
+
+int cs_log_print_prefix(enum cs_log_level, const char *, const char *) WEAK;
+int cs_log_print_prefix(enum cs_log_level level, const char *func,
+                        const char *filename) {
+  char prefix[21];
+
+  if (level > cs_log_threshold) return 0;
+  if (s_filter_pattern != NULL &&
+      mg_match_prefix(s_filter_pattern, s_filter_pattern_len, func) == 0 &&
+      mg_match_prefix(s_filter_pattern, s_filter_pattern_len, filename) == 0) {
+    return 0;
+  }
+
+  strncpy(prefix, func, 20);
+  prefix[20] = '\0';
+  if (cs_log_file == NULL) cs_log_file = stderr;
+  cs_log_cur_msg_level = level;
+  fprintf(cs_log_file, "%-20s ", prefix);
+#if CS_LOG_ENABLE_TS_DIFF
+  {
+    double now = cs_time();
+    fprintf(cs_log_file, "%7u ", (unsigned int) ((now - cs_log_ts) * 1000000));
+    cs_log_ts = now;
+  }
+#endif
+  return 1;
+}
+
+void cs_log_printf(const char *fmt, ...) WEAK;
+void cs_log_printf(const char *fmt, ...) {
+  va_list ap;
+  va_start(ap, fmt);
+  vfprintf(cs_log_file, fmt, ap);
+  va_end(ap);
+  fputc('\n', cs_log_file);
+  fflush(cs_log_file);
+  cs_log_cur_msg_level = LL_NONE;
+}
+
+void cs_log_set_file(FILE *file) WEAK;
+void cs_log_set_file(FILE *file) {
+  cs_log_file = file;
+}
+
+#else
+
+void cs_log_set_filter(const char *pattern) {
+  (void) pattern;
+}
+
+#endif /* CS_ENABLE_STDIO */
+
+void cs_log_set_level(enum cs_log_level level) WEAK;
+void cs_log_set_level(enum cs_log_level level) {
+  cs_log_threshold = level;
+#if CS_LOG_ENABLE_TS_DIFF && CS_ENABLE_STDIO
+  cs_log_ts = cs_time();
+#endif
+}