Remove the broken compression benchmarking utility

1 files changed, 0 insertions, 134 deletions

diff --git a/internal/bench/compress.c b/internal/bench/compress.c
deleted file mode 100644
index 4425c40d..00000000
--- a/internal/bench/compress.c
+++ /dev/null
@@ -1,134 +0,0 @@
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <zlib-ng.h>
-
-int compress_file_zlib(const char *input_path, const char *output_path)
-{
-	int fd_in = -1, fd_out = -1;
-	void *mapped_data_in = MAP_FAILED;
-	void *mapped_data_out = MAP_FAILED;
-
-	fd_in = open(input_path, O_RDONLY);
-	if (fd_in == -1) {
-		perror("open input");
-		goto error;
-	}
-
-	struct stat sb;
-	if (fstat(fd_in, &sb) == -1) {
-		perror("fstat");
-		goto error;
-	}
-	size_t file_size = sb.st_size;
-
-	if (file_size == 0) {
-		fprintf(stderr, "File is empty\n");
-		goto error;
-	}
-
-	mapped_data_in = mmap(NULL, file_size, PROT_READ, MAP_PRIVATE, fd_in, 0);
-	if (mapped_data_in == MAP_FAILED) {
-		perror("mmap input");
-		goto error;
-	}
-
-	size_t compressed_size_bound = zng_compressBound(file_size);
-
-	fd_out = open(output_path, O_RDWR | O_CREAT | O_TRUNC, 0644);
-	if (fd_out == -1) {
-		perror("open output");
-		goto error;
-	}
-
-	if (ftruncate(fd_out, compressed_size_bound) == -1) {
-		perror("ftruncate");
-		goto error;
-	}
-
-	mapped_data_out = mmap(NULL, compressed_size_bound, PROT_READ | PROT_WRITE, 
-	                      MAP_SHARED, fd_out, 0);
-	if (mapped_data_out == MAP_FAILED) {
-		perror("mmap output");
-		goto error;
-	}
-
-	int ret = zng_compress2(mapped_data_out, &compressed_size_bound,
-		(const unsigned char *)mapped_data_in, file_size,
-		Z_BEST_COMPRESSION);
-
-	if (ret != Z_OK) {
-		fprintf(stderr, "Compression failed: %d\n", ret);
-		goto error;
-	}
-
-	if (ftruncate(fd_out, compressed_size_bound) == -1) {
-		perror("ftruncate final");
-		goto error;
-	}
-
-	if (msync(mapped_data_out, compressed_size_bound, MS_SYNC) == -1) {
-		perror("msync");
-		goto error;
-	}
-
-	fprintf(stderr,
-		"Compressed: %s (%zu bytes) -> %s (%zu bytes), ratio: %.1f%%\n",
-		input_path, file_size, output_path, compressed_size_bound,
-		(compressed_size_bound * 100.0) / file_size);
-
-	munmap(mapped_data_in, file_size);
-	munmap(mapped_data_out, compressed_size_bound);
-	close(fd_in);
-	close(fd_out);
-	return 0;
-
-error:
-	if (mapped_data_in != MAP_FAILED)
-		munmap(mapped_data_in, file_size);
-	if (mapped_data_out != MAP_FAILED)
-		munmap(mapped_data_out, compressed_size_bound);
-	if (fd_in != -1)
-		close(fd_in);
-	if (fd_out != -1)
-		close(fd_out);
-	return -1;
-}
-
-int compress_files(const char **input_files, const char **output_files,
-	int count)
-{
-	int success_count = 0;
-
-	for (int i = 0; i < count; i++) {
-		if (compress_file_zlib(input_files[i], output_files[i]) == 0) {
-			success_count++;
-		} else {
-			fprintf(stderr, "Failed to compress: %s\n", input_files[i]);
-		}
-	}
-
-	fprintf(stderr, "Successfully compressed %d/%d files\n", success_count,
-		count);
-	return success_count;
-}
-
-int main(int argc, char **argv)
-{
-	if (argc < 3 || argc % 2 != 1) {
-		fprintf(stderr,
-			"Usage: %s <input1> <output1.zlib> [input2 output2.zlib ...]\n",
-			argv[0]);
-		return 1;
-	}
-
-	int file_count = (argc - 1) / 2;
-	const char **inputs = (const char **)&argv[1];
-	const char **outputs = (const char **)&argv[1 + file_count];
-
-	return compress_files(inputs, outputs, file_count) == file_count ? 0 : 1;
-}