From aaab4b5c74c159e038dff177e53f3fc3ad353495 Mon Sep 17 00:00:00 2001
From: Nazar <youtube@superneon4ik.me>
Date: Tue, 16 Sep 2025 11:17:47 +0300
Subject: [PATCH] Make thing build with macOS clang

---
 src/httpserver.c           |  6 +++---
 src/httpserver.h           |  2 ++
 src/utils/hashmap.c        | 18 +++++++++---------
 src/utils/string_builder.c | 16 ++++++++--------
 4 files changed, 22 insertions(+), 20 deletions(-)

diff --git a/src/httpserver.c b/src/httpserver.c
index 582974b..75c066a 100644
--- a/src/httpserver.c
+++ b/src/httpserver.c
@@ -64,7 +64,7 @@ void start_http_server(http_server_t* http_server, const char *addr, const short
     sa.sa_handler = handle_sigint;
     sigemptyset(&sa.sa_mask);
     sa.sa_flags = 0;
-    sigaction(SIGINT, &sa, nullptr);
+    sigaction(SIGINT, &sa, NULL);
 
     printf("Server is listening on %s:%d...\n", addr, port);
 
@@ -124,7 +124,7 @@ void process_conn(const http_server_t* http_server, const int server_fd, struct
     char *header_val = malloc(1024);
     size_t header_val_length = 0;
 
-    http_request.http_content = nullptr;
+    http_request.http_content = NULL;
     http_request.http_content_len = 0;
 
     // TODO: Needs functionality to continue reading the request if didn't receive the whole thing,
@@ -266,7 +266,7 @@ void process_conn(const http_server_t* http_server, const int server_fd, struct
     for (int i = 0; i < http_response->http_headers->cap; i++)
     {
         const pair_t* iter = http_response->http_headers->list[i];
-        while (iter != nullptr)
+        while (iter != NULL)
         {
             append_fmt(response_sb, "%s: %s\r\n", iter->key, iter->val);
             iter = iter->next;
diff --git a/src/httpserver.h b/src/httpserver.h
index 7fceda6..4ffb1e8 100644
--- a/src/httpserver.h
+++ b/src/httpserver.h
@@ -7,6 +7,8 @@
 #define SIMPLEHTTPSERVER_H
 
 #include <netdb.h>
+#include <stdbool.h>
+#include <stddef.h>
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/src/utils/hashmap.c b/src/utils/hashmap.c
index 6d8ab38..1f7933f 100644
--- a/src/utils/hashmap.c
+++ b/src/utils/hashmap.c
@@ -28,13 +28,13 @@ char* get(const hashmap_t* this, const char* key)
     const unsigned hash = hashcode(this, key);
 
     const pair_t* existing_pair = this->list[hash];
-    if (existing_pair == nullptr)
-        return nullptr;
+    if (existing_pair == NULL)
+        return NULL;
 
     while (strcmp(existing_pair->key, key) != 0)
     {
-        if (existing_pair->next == nullptr)
-            return nullptr;
+        if (existing_pair->next == NULL)
+            return NULL;
         existing_pair = existing_pair->next;
     }
 
@@ -48,11 +48,11 @@ void set(hashmap_t* this, char* key, char* val)
     pair_t* new_pair = malloc(sizeof *new_pair);
     new_pair->key = key;
     new_pair->val = val;
-    new_pair->next = nullptr;
+    new_pair->next = NULL;
 
     pair_t* existing_pair = this->list[hash];
 
-    if (existing_pair == nullptr)
+    if (existing_pair == NULL)
     {
         this->list[hash] = new_pair;
         this->len++;
@@ -63,7 +63,7 @@ void set(hashmap_t* this, char* key, char* val)
         return;
     }
 
-    while (existing_pair->next != nullptr)
+    while (existing_pair->next != NULL)
     {
         if (strcmp(existing_pair->key, key) == 0)
         {
@@ -94,7 +94,7 @@ void expand_hash_map(hashmap_t* this)
     for (int i = 0; i < old_cap; i++)
     {
         pair_t* iter = old_list[i];
-        while (iter != nullptr)
+        while (iter != NULL)
         {
             set(this, iter->key, iter->val);
             pair_t* prev_iter = iter;
@@ -111,7 +111,7 @@ void free_hash_map(const hashmap_t* this)
     for (int i = 0; i < this->cap; i++)
     {
         pair_t* iter = this->list[i];
-        while (iter != nullptr)
+        while (iter != NULL)
         {
             pair_t* prev_iter = iter;
             iter = iter->next;
diff --git a/src/utils/string_builder.c b/src/utils/string_builder.c
index fb3f712..ed3b71a 100644
--- a/src/utils/string_builder.c
+++ b/src/utils/string_builder.c
@@ -10,8 +10,8 @@
 string_builder_t* new_string_builder()
 {
     string_builder_t* sb = malloc(sizeof *sb);
-    sb->first = nullptr;
-    sb->last = nullptr;
+    sb->first = NULL;
+    sb->last = NULL;
     sb->char_count = 0;
     return sb;
 }
@@ -19,7 +19,7 @@ string_builder_t* new_string_builder()
 char* string_builder_to_string(const string_builder_t* sb)
 {
     char* str = malloc(sb->char_count + 1);
-    if (!str) return nullptr;
+    if (!str) return NULL;
 
     char* p = str;
 
@@ -35,7 +35,7 @@ char* string_builder_to_string(const string_builder_t* sb)
 void free_string_builder(string_builder_t* sb)
 {
     string_builder_part_t* iter = sb->first;
-    while (iter != nullptr)
+    while (iter != NULL)
     {
         string_builder_part_t* prev = iter;
         iter = iter->next;
@@ -43,15 +43,15 @@ void free_string_builder(string_builder_t* sb)
         free(prev);
     }
 
-    sb->first = nullptr;
-    sb->last = nullptr;
+    sb->first = NULL;
+    sb->last = NULL;
     free(sb);
 }
 
 void append_part(string_builder_t* sb, string_builder_part_t* part)
 {
     sb->char_count += part->len;
-    if (sb->last == nullptr)
+    if (sb->last == NULL)
     {
         sb->first = part;
         sb->last = part;
@@ -106,7 +106,7 @@ void append_fmt(string_builder_t* sb, const char* fmt, ...) {
 
     va_list args_copy;
     va_copy(args_copy, args);
-    const int len = vsnprintf(nullptr, 0, fmt, args_copy);
+    const int len = vsnprintf(NULL, 0, fmt, args_copy);
     va_end(args_copy);
 
     if (len < 0) {