libsparse: Add .clang-format and reformat to google3 style

Bug: 78793464
Test: compiles
Change-Id: I8e44ba77195a12fc2bac7d4276bbc4aa95149b31
diff --git a/libsparse/simg2simg.cpp b/libsparse/simg2simg.cpp
index 6f02f4f..7e65701 100644
--- a/libsparse/simg2simg.cpp
+++ b/libsparse/simg2simg.cpp
@@ -22,7 +22,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
@@ -33,82 +32,80 @@
 #define O_BINARY 0
 #endif
 
-void usage()
-{
+void usage() {
   fprintf(stderr, "Usage: simg2simg <sparse image file> <sparse_image_file> <max_size>\n");
 }
 
-int main(int argc, char *argv[])
-{
-	int in;
-	int out;
-	int i;
-	int ret;
-	struct sparse_file *s;
-	int64_t max_size;
-	struct sparse_file **out_s;
-	int files;
-	char filename[4096];
+int main(int argc, char* argv[]) {
+  int in;
+  int out;
+  int i;
+  int ret;
+  struct sparse_file* s;
+  int64_t max_size;
+  struct sparse_file** out_s;
+  int files;
+  char filename[4096];
 
-	if (argc != 4) {
-		usage();
-		exit(-1);
-	}
+  if (argc != 4) {
+    usage();
+    exit(-1);
+  }
 
-	max_size = atoll(argv[3]);
+  max_size = atoll(argv[3]);
 
-	in = open(argv[1], O_RDONLY | O_BINARY);
-	if (in < 0) {
-		fprintf(stderr, "Cannot open input file %s\n", argv[1]);
-		exit(-1);
-	}
+  in = open(argv[1], O_RDONLY | O_BINARY);
+  if (in < 0) {
+    fprintf(stderr, "Cannot open input file %s\n", argv[1]);
+    exit(-1);
+  }
 
-	s = sparse_file_import(in, true, false);
-	if (!s) {
-		fprintf(stderr, "Failed to import sparse file\n");
-		exit(-1);
-	}
+  s = sparse_file_import(in, true, false);
+  if (!s) {
+    fprintf(stderr, "Failed to import sparse file\n");
+    exit(-1);
+  }
 
-	files = sparse_file_resparse(s, max_size, NULL, 0);
-	if (files < 0) {
-		fprintf(stderr, "Failed to resparse\n");
-		exit(-1);
-	}
+  files = sparse_file_resparse(s, max_size, NULL, 0);
+  if (files < 0) {
+    fprintf(stderr, "Failed to resparse\n");
+    exit(-1);
+  }
 
-	out_s = calloc(sizeof(struct sparse_file *), files);
-	if (!out_s) {
-		fprintf(stderr, "Failed to allocate sparse file array\n");
-		exit(-1);
-	}
+  out_s = calloc(sizeof(struct sparse_file*), files);
+  if (!out_s) {
+    fprintf(stderr, "Failed to allocate sparse file array\n");
+    exit(-1);
+  }
 
-	files = sparse_file_resparse(s, max_size, out_s, files);
-	if (files < 0) {
-		fprintf(stderr, "Failed to resparse\n");
-		exit(-1);
-	}
+  files = sparse_file_resparse(s, max_size, out_s, files);
+  if (files < 0) {
+    fprintf(stderr, "Failed to resparse\n");
+    exit(-1);
+  }
 
-	for (i = 0; i < files; i++) {
-		ret = snprintf(filename, sizeof(filename), "%s.%d", argv[2], i);
-		if (ret >= (int)sizeof(filename)) {
-			fprintf(stderr, "Filename too long\n");
-			exit(-1);
-		}
+  for (i = 0; i < files; i++) {
+    ret = snprintf(filename, sizeof(filename), "%s.%d", argv[2], i);
+    if (ret >= (int)sizeof(filename)) {
+      fprintf(stderr, "Filename too long\n");
+      exit(-1);
+    }
 
-		out = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
-		if (out < 0) {
-			fprintf(stderr, "Cannot open output file %s\n", argv[2]);
-			exit(-1);
-		}
+    out = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
+    if (out < 0) {
+      fprintf(stderr, "Cannot open output file %s\n", argv[2]);
+      exit(-1);
+    }
 
-		ret = sparse_file_write(out_s[i], out, false, true, false);
-		if (ret) {
-			fprintf(stderr, "Failed to write sparse file\n");
-			exit(-1);
-		}
-		close(out);
-	}
+    ret = sparse_file_write(out_s[i], out, false, true, false);
+    if (ret) {
+      fprintf(stderr, "Failed to write sparse file\n");
+      exit(-1);
+    }
+    close(out);
+  }
 
-	close(in);
+  close(in);
 
-	exit(0);
+  exit(0);
 }