Add a build system

file_hasher.c

@@ -77,14 +77,14 @@ int main(int argc, char **argv) {
   // Detect hardware
   // -------------------------------
   // --- Windows: detect PHYSICAL cores (not logical threads) ---
-  uint32_t cpu_cores = platform_physical_cores();
+  uint8_t cpu_cores = platform_physical_cores();
 
   // Logical threads = CPU cores * 2
-  uint32_t cpu_threads = cpu_cores * 2;
+  uint8_t cpu_threads = cpu_cores * 2;
 
 #if MULTI_THREADING
-  uint32_t num_scan_threads = cpu_threads;
-  uint32_t num_hash_threads = cpu_threads;
+  uint8_t num_scan_threads = cpu_threads;
+  uint8_t num_hash_threads = cpu_threads;
 
   printf("%d cores %d threads CPU detected with %s instruction set\n"
          "Starting thread pool: %d scanning and %d hashing threads\n",
@@ -123,7 +123,7 @@ int main(int argc, char **argv) {
   Thread *hash_threads =
       arena_push(&gp_arena, sizeof(Thread) * num_hash_threads, true);
 
-  for (size_t i = 0; i < num_hash_threads; ++i) {
+  for (uint8_t i = 0; i < num_hash_threads; ++i) {
     workers[i].arena = arena_create(&params);
     workers[i].file_queue = &file_queue;
 
@@ -135,7 +135,7 @@ int main(int argc, char **argv) {
         0)
 #endif
     {
-      fprintf(stderr, "Failed to create hash thread %zu\n", i);
+      fprintf(stderr, "Failed to create hash thread %d\n", i);
       exit(1);
     }
   }
@@ -153,7 +153,7 @@ int main(int argc, char **argv) {
   Thread *scan_threads =
       arena_push(&gp_arena, sizeof(Thread) * num_scan_threads, true);
 
-  for (size_t i = 0; i < num_scan_threads; i++) {
+  for (uint8_t i = 0; i < num_scan_threads; i++) {
     scanners[i].num_threads = num_scan_threads;
     scanners[i].path_arena = arena_create(&params);
     scanners[i].meta_arena = arena_create(&params);
@@ -162,7 +162,7 @@ int main(int argc, char **argv) {
 
     if (thread_create(&scan_threads[i], (ThreadFunc)scan_worker,
                       &scanners[i]) != 0) {
-      fprintf(stderr, "Failed to create scan thread %zu\n", i);
+      fprintf(stderr, "Failed to create scan thread %d\n", i);
       exit(1);
     }
   }
@@ -178,7 +178,7 @@ int main(int argc, char **argv) {
   // Stop scan threads
   thread_wait_multiple(scan_threads, num_scan_threads);
 
-  for (size_t i = 0; i < num_scan_threads; ++i) {
+  for (uint8_t i = 0; i < num_scan_threads; ++i) {
     thread_close(&scan_threads[i]);
   }
 
@@ -205,7 +205,7 @@ int main(int argc, char **argv) {
   // Stop hashing threads
   thread_wait_multiple(hash_threads, num_hash_threads);
 
-  for (size_t i = 0; i < num_hash_threads; ++i) {
+  for (uint8_t i = 0; i < num_hash_threads; ++i) {
     thread_close(&hash_threads[i]);
   }
 
@@ -222,7 +222,7 @@ int main(int argc, char **argv) {
 
   FILE *f = fopen(FILE_HASHES_TXT, "wb");
 
-  for (int i = 0; i < num_hash_threads; i++) {
+  for (uint8_t i = 0; i < num_hash_threads; i++) {
     mem_arena *arena = workers[i].arena;
     u8 *arena_base =
         (u8 *)arena + ALIGN_UP_POW2(sizeof(mem_arena), arena->align);