text_buffer bug fixes & Sort option

src/index/elastic.c

@@ -116,7 +116,7 @@ void *create_bulk_buffer(int max, int *count, size_t *buf_len) {
     return buf;
 }
 
-void *print_errors(response_t *r) {
+void print_errors(response_t *r) {
     char * tmp = malloc(r->size + 1);
     memcpy(tmp, r->body, r->size);
     *(tmp + r->size) = '\0';

src/main.c

@@ -6,7 +6,7 @@
 #define EPILOG "Made by simon987 <me@simon987.net>. Released under GPL-3.0"
 
 
-static const char *const Version = "1.3.3";
+static const char *const Version = "1.3.4";
 static const char *const usage[] = {
         "sist2 scan [OPTION]... PATH",
         "sist2 index [OPTION]... INDEX",

src/util.h

@@ -114,7 +114,7 @@ static void grow_buffer_small(dyn_buffer_t *buf) {
 }
 
 __always_inline
-static void dyn_buffer_write(dyn_buffer_t *buf, void *data, size_t size) {
+static void dyn_buffer_write(dyn_buffer_t *buf, const void *data, size_t size) {
     grow_buffer(buf, size);
 
     memcpy(buf->buf + buf->cur, data, size);
@@ -251,8 +251,17 @@ static int text_buffer_append_string(text_buffer_t *buf, const char *str, size_t
         return 0;
     }
 
+    if (len <= 4) {
+        for (int i = 0; i < len; i++) {
+            if (((utf8_int32_t)0xffffff80 & str[i]) == 0) {
+                dyn_buffer_write_char(&buf->dyn_buffer, str[i]);
+            }
+        }
+        return 0;
+    }
+
     utf8_int32_t c;
-    char tmp[4];
+    char tmp[16];
 
     do {
         ptr = utf8codepoint(ptr, &c);

src/web/serve.c

@@ -244,6 +244,16 @@ int search(UNUSED(void *p), onion_request *req, onion_response *res) {
         onion_response_write(res, r->body, r->size);
     } else {
         sist_log("serve.c", SIST_WARNING, "ElasticSearch error during query");
+        if (r->size != 0) {
+            char * tmp = malloc(r->size + 1);
+            memcpy(tmp, r->body, r->size);
+            *(tmp + r->size) = '\0';
+            cJSON *json = cJSON_Parse(tmp);
+            char *json_str = cJSON_Print(json);
+            sist_log("serve.c", SIST_WARNING, json_str);
+            free(json_str);
+            free(tmp);
+        }
         onion_response_set_code(res, HTTP_INTERNAL_ERROR);
     }