Reformat code

chp4/blocks.c

@@ -1,10 +1,10 @@
+#include <fcntl.h>
+#include <linux/fs.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
 #include <sys/ioctl.h>
-#include <linux/fs.h>
+#include <sys/stat.h>
+#include <sys/types.h>
 
 /* get_block - for the file associated with the given fd, returns
  * the physical block mapping to logical_block
@@ -22,66 +22,71 @@ int get_nr_blocks(int fd);
  */
 void print_blocks(int fd);
 
-int main(int argc, char *argv[]) {
-    if (argc < 2) {
-        fprintf(stderr, "usage: %s <file>\n", argv[0]);
-        return 1;
-    }
+int main(int argc, char *argv[])
+{
+	if (argc < 2) {
+		fprintf(stderr, "usage: %s <file>\n", argv[0]);
+		return 1;
+	}
 
-    int fd = open(argv[1], O_RDONLY);
-    if (fd < 0) {
-        perror("open");
-        return 1;
-    }
+	int fd = open(argv[1], O_RDONLY);
+	if (fd < 0) {
+		perror("open");
+		return 1;
+	}
 
-    print_blocks(fd);
-    return 0;
+	print_blocks(fd);
+	return 0;
 }
 
-int get_block(int fd, int logical_block) {
-    int ret = ioctl(fd, FIBMAP, &logical_block);
-    if (ret < 0) {
-        perror("ioctl");
-        return -1;
-    }
-    return logical_block;
+int get_block(int fd, int logical_block)
+{
+	int ret = ioctl(fd, FIBMAP, &logical_block);
+	if (ret < 0) {
+		perror("ioctl");
+		return -1;
+	}
+	return logical_block;
 }
 
-int get_nr_blocks(int fd) {
-    struct stat buf;
-    int ret = fstat(fd, &buf);
-    if (ret < 0) {
-        perror("fstat");
-        return -1;
-    }
-    return buf.st_blocks;
+int get_nr_blocks(int fd)
+{
+	struct stat buf;
+	int ret = fstat(fd, &buf);
+	if (ret < 0) {
+		perror("fstat");
+		return -1;
+	}
+	return buf.st_blocks;
 }
 
-void print_blocks(int fd) {
-    int nr_blocks = get_nr_blocks(fd);
-    if (nr_blocks < 0) {
-        fprintf(stderr, "get_nr_blocks failed!\n");
-        return;
-    }
+void print_blocks(int fd)
+{
+	int nr_blocks = get_nr_blocks(fd);
+	if (nr_blocks < 0) {
+		fprintf(stderr, "get_nr_blocks failed!\n");
+		return;
+	}
 
-    if (nr_blocks == 0) {
-        printf("no allocated blocks\n");
-        return;
-    } else if (nr_blocks == 1) {
-        printf("1 block\n");
-    } else {
-        printf("%d blocks\n\n", nr_blocks);
-    }
+	if (nr_blocks == 0) {
+		printf("no allocated blocks\n");
+		return;
+	} else if (nr_blocks == 1) {
+		printf("1 block\n");
+	} else {
+		printf("%d blocks\n\n", nr_blocks);
+	}
 
-    for (int i = 0; i < nr_blocks; i++) {
-        int phys_block = get_block(fd, i);
-        if (phys_block < 0) {
-            fprintf(stderr, "get_block failed!\n");
-            return;
-        }
-        if (!phys_block) continue;
+	for (int i = 0; i < nr_blocks; i++) {
+		int phys_block = get_block(fd, i);
+		if (phys_block < 0) {
+			fprintf(stderr, "get_block failed!\n");
+			return;
+		}
+		if (!phys_block)
+			continue;
 
-        printf("(%u, %u) ", i, phys_block);
-    }
-    putchar('\n');
+		printf("(%u, %u) ", i, phys_block);
+	}
+	putchar('\n');
 }