misc adjustment of esp32 component

components/esp_common/src/esp_err_to_name.c.in

@@ -0,0 +1,64 @@
+@COMMENT@
+
+#include <string.h>
+#if __has_include("soc/soc.h")
+#include "soc/soc.h"
+#endif
+@HEADERS@
+
+#ifdef CONFIG_ESP_ERR_TO_NAME_LOOKUP
+#define ERR_TBL_IT(err)    {err, #err}
+
+typedef struct {
+    esp_err_t code;
+    const char *msg;
+} esp_err_msg_t;
+
+static const esp_err_msg_t esp_err_msg_table[] = {
+@ERROR_ITEMS@
+};
+#endif //CONFIG_ESP_ERR_TO_NAME_LOOKUP
+
+static const char esp_unknown_msg[] =
+#ifdef CONFIG_ESP_ERR_TO_NAME_LOOKUP
+    "ERROR";
+#else
+    "UNKNOWN ERROR";
+#endif //CONFIG_ESP_ERR_TO_NAME_LOOKUP
+
+const char *esp_err_to_name(esp_err_t code)
+{
+#ifdef CONFIG_ESP_ERR_TO_NAME_LOOKUP
+    int i;
+
+    for (i = 0; i < sizeof(esp_err_msg_table)/sizeof(esp_err_msg_table[0]); ++i) {
+        if (esp_err_msg_table[i].code == code) {
+            return esp_err_msg_table[i].msg;
+        }
+    }
+#endif //CONFIG_ESP_ERR_TO_NAME_LOOKUP
+
+    return esp_unknown_msg;
+}
+
+const char *esp_err_to_name_r(esp_err_t code, char *buf, size_t buflen)
+{
+#ifdef CONFIG_ESP_ERR_TO_NAME_LOOKUP
+    int i;
+
+    for (i = 0; i < sizeof(esp_err_msg_table)/sizeof(esp_err_msg_table[0]); ++i) {
+        if (esp_err_msg_table[i].code == code) {
+            strlcpy(buf, esp_err_msg_table[i].msg, buflen);
+            return buf;
+        }
+    }
+#endif //CONFIG_ESP_ERR_TO_NAME_LOOKUP
+
+    if (strerror_r(code, buf, buflen) == 0) {
+        return buf;
+    }
+
+    snprintf(buf, buflen, "%s 0x%x(%d)", esp_unknown_msg, code, code);
+
+    return buf;
+}