From e15666a1769784847e237eb816f014dd9335866e Mon Sep 17 00:00:00 2001
From: Timo Ley <timo.ley@tilera.dev>
Date: Thu, 23 Jun 2022 14:13:33 +0200
Subject: [PATCH] Improve some loops

---
 httpparse.c | 2 +-
 httpser.c   | 7 +++----
 httputil.c  | 4 ++--
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/httpparse.c b/httpparse.c
index c63e039..4848be8 100644
--- a/httpparse.c
+++ b/httpparse.c
@@ -152,7 +152,7 @@ int httplib_parse_header(http_request * self, char * str) {
             self->headers = httplib_header_new(key, value);
         } else {
             http_header * run = self->headers;
-            while (run != 0) {
+            while (run) {
                 if (run->next == 0) {
                     run->next = httplib_header_new(key, value);
                     break;
diff --git a/httpser.c b/httpser.c
index 8e3c709..3b485d2 100644
--- a/httpser.c
+++ b/httpser.c
@@ -30,7 +30,7 @@ int httplib_response_serialize(http_response * res, char * str_out) {
     strcat(str_out, res->status_message);
     strcat(str_out, "\r\n");
     http_header * run = res->headers;
-    while (run != 0) {
+    while (run) {
         char * tmp = malloc(httplib_header_string_size(run));
         int err = httplib_header_serialize(run, tmp);
         if (err != 0) return err;
@@ -48,8 +48,7 @@ int httplib_response_serialize(http_response * res, char * str_out) {
         strcat(str_out, "\r\n");
     }
     strcat(str_out, "\r\n");
-    size_t end_pos = 0;
-    while (str_out[end_pos] != '\0') end_pos++;
+    size_t end_pos = strlen(str_out) - 1;
     if (res->body != 0) {
         for (size_t i = 0; i < res->content_length; i++) {
             str_out[end_pos + i] = res->body[i];
@@ -62,7 +61,7 @@ size_t httplib_response_string_size(http_response * res) {
     size_t res_line = 15 + strlen(res->status_message); //"HTTP/1.1" 000 (message)\r\n
     size_t headers = 2; // \r\n
     http_header * run = res->headers;
-    while (run != 0) {
+    while (run) {
         headers += httplib_header_string_size(run) + 1; // \r\n instead of \0
         run = run->next;
     }
diff --git a/httputil.c b/httputil.c
index c36f504..64b768c 100644
--- a/httputil.c
+++ b/httputil.c
@@ -41,7 +41,7 @@ int httplib_response_add_header(http_response * self, char * key, char * value)
         self->headers = httplib_header_new(key, value);
     } else {
         http_header * run = self->headers;
-        while (run != 0) {
+        while (run) {
             if (run->next == 0) {
                 run->next = httplib_header_new(key, value);
                 break;
@@ -54,7 +54,7 @@ int httplib_response_add_header(http_response * self, char * key, char * value)
 
 char * httplib_request_get_header(http_request * self, char * key) {
     http_header * run = self->headers;
-    while (run != 0) {
+    while (run) {
         if (!strcasecmp(key, run->key)) {
             char * value = malloc(strlen(run->value)+1);
             strcpy(value, run->value);