From cf024f1c4ccddf03f371f09d5951d9e57caad754 Mon Sep 17 00:00:00 2001
From: bronku <bronk.jakub@proton.me>
Date: Fri, 14 Nov 2025 00:20:58 +0100
Subject: [PATCH] ensure path exists

---
 main.cpp |  3 +++
 makefile | 10 ++--------
 sort.cpp |  4 ++++
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/main.cpp b/main.cpp
index 1861b9c..34a7764 100644
--- a/main.cpp
+++ b/main.cpp
@@ -9,6 +9,9 @@
 
 void generate_file(int N, const std::string& filename)
 {
+    std::filesystem::path dirPath = std::filesystem::path(filename).parent_path();
+    std::filesystem::create_directories(dirPath);
+
     std::ofstream out_stream(filename);
     Writer output(out_stream);
 
diff --git a/makefile b/makefile
index 83535d7..4545a71 100644
--- a/makefile
+++ b/makefile
@@ -6,22 +6,16 @@ build/main: main.cpp sort.cpp config.hpp buffer.hpp reader.hpp writer.hpp build
 build:
 	mkdir -p build
 
-build/run:
-	mkdir -p build/run
-
-build/run/tmp:
-	mkdir -p build/run/tmp
-
 clean:
 	rm -rf build
 
 generate: build/run/1.in
 
 # actually should depend on build/main and build/run, but that will trigger it every recompile, and i don't need that
-build/run/1.in: build/run/tmp
+build/run/1.in:
 	build/main -g -o build/run/1.in
 
-run: build/main build/run/1.in build/run/tmp
+run: build/main build/run/1.in
 	build/main -i build/run/1.in -d build/run/tmp
 
 debug: build/main tests/1.in
diff --git a/sort.cpp b/sort.cpp
index 0e77808..8e78ce2 100644
--- a/sort.cpp
+++ b/sort.cpp
@@ -20,6 +20,9 @@ size_t read_chunk(Reader& reader, SubBuffer& buff)
 
 void write_to_file(const std::string& filename, SubBuffer& buff, size_t n)
 {
+    std::filesystem::path dirPath = std::filesystem::path(filename).parent_path();
+    std::filesystem::create_directories(dirPath);
+
     std::ofstream out_stream(filename);
     Writer output_writer(out_stream);
     for (size_t j = 0; j < n; j++) {
@@ -46,6 +49,7 @@ void create_initial_runs(const std::string& input_filename, const std::string& d
 int sort_file(const Configuration& opts)
 {
     Buffer main_buffer(opts.n * opts.b);
+
     create_initial_runs(opts.input_file, opts.directory, main_buffer);
 
     return 0;