Add some debug info for config file error cases

It didn't always spit out useful stuff when reading config failed.

Signed-off-by: Ben Greear <greearb@candelatech.com>

diff --git a/wpa_supplicant/config_file.c b/wpa_supplicant/config_file.c
index 0520646..32d416e 100644 (file)
--- a/wpa_supplicant/config_file.c
+++ b/wpa_supplicant/config_file.c
@@ -323,11 +323,17 @@ struct wpa_config * wpa_config_read(const char *name)
        int cred_id = 0;
 
        config = wpa_config_alloc_empty(NULL, NULL);
-       if (config == NULL)
+       if (config == NULL) {
+               wpa_printf(MSG_ERROR, "Failed to allocate config file "
+                          "structure");
                return NULL;
+       }
+
        wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
        f = fopen(name, "r");
        if (f == NULL) {
+               wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
+                          "error: %s", name, strerror(errno));
                os_free(config);
                return NULL;
        }
@@ -372,6 +378,8 @@ struct wpa_config * wpa_config_read(const char *name)
                } else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
                        if (wpa_config_process_blob(config, f, &line, pos + 12)
                            < 0) {
+                               wpa_printf(MSG_ERROR, "Line %d: failed to "
+                                          "process blob.", line);
                                errors++;
                                continue;
                        }