cramfs: use stdint.h instead of u{8,16,32}

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2011-07-20 22:00:02 +02:00
parent fc2798c50b
commit d51f37a368
4 changed files with 23 additions and 24 deletions

View File

@ -19,9 +19,7 @@
#ifndef __CRAMFS_H
#define __CRAMFS_H
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
#include <stdint.h>
#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
#define CRAMFS_SIGNATURE "Compressed ROMFS"
@ -49,9 +47,9 @@ typedef unsigned int u32;
* Reasonably terse representation of the inode data.
*/
struct cramfs_inode {
u32 mode:16, uid:16;
uint32_t mode:16, uid:16;
/* SIZE for device files is i_rdev */
u32 size:24, gid:8;
uint32_t size:24, gid:8;
/* NAMELEN is the length of the file name, divided by 4 and
rounded up. (cramfs doesn't support hard links.) */
/* OFFSET: For symlinks and non-empty regular files, this
@ -60,28 +58,28 @@ struct cramfs_inode {
see README). For non-empty directories it is the offset
(divided by 4) of the inode of the first file in that
directory. For anything else, offset is zero. */
u32 namelen:6, offset:26;
uint32_t namelen:6, offset:26;
};
struct cramfs_info {
u32 crc;
u32 edition;
u32 blocks;
u32 files;
uint32_t crc;
uint32_t edition;
uint32_t blocks;
uint32_t files;
};
/*
* Superblock information at the beginning of the FS.
*/
struct cramfs_super {
u32 magic; /* 0x28cd3d45 - random number */
u32 size; /* Not used. mkcramfs currently
uint32_t magic; /* 0x28cd3d45 - random number */
uint32_t size; /* Not used. mkcramfs currently
writes a constant 1<<16 here. */
u32 flags; /* 0 */
u32 future; /* 0 */
u8 signature[16]; /* "Compressed ROMFS" */
uint32_t flags; /* 0 */
uint32_t future; /* 0 */
uint8_t signature[16]; /* "Compressed ROMFS" */
struct cramfs_info fsid;/* unique filesystem info */
u8 name[16]; /* user-defined name */
uint8_t name[16]; /* user-defined name */
struct cramfs_inode root; /* Root inode data */
};
@ -103,7 +101,7 @@ int cramfs_uncompress_block(void *dst, int dstlen, void *src, int srclen);
int cramfs_uncompress_init(void);
int cramfs_uncompress_exit(void);
u32 u32_toggle_endianness(int big_endian, u32 what);
uint32_t u32_toggle_endianness(int big_endian, uint32_t what);
void super_toggle_endianness(int from_big_endian, struct cramfs_super *super);
void inode_to_host(int from_big_endian, struct cramfs_inode *inode_in, struct cramfs_inode *inode_out);
void inode_from_host(int to_big_endian, struct cramfs_inode *inode_in, struct cramfs_inode *inode_out);

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@ -20,7 +20,7 @@
#include "cramfs.h"
#include "../include/bitops.h"
u32 u32_toggle_endianness(int big_endian, u32 what)
uint32_t u32_toggle_endianness(int big_endian, uint32_t what)
{
return big_endian == HOST_IS_BIG_ENDIAN ? what : swab32(what);
}

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@ -38,6 +38,7 @@
#include <stdio.h>
#include <stdarg.h>
#include <stdint.h>
#include <unistd.h>
#include <dirent.h>
#include <stdlib.h>
@ -139,7 +140,7 @@ static void die(int status, int syserr, const char *fmt, ...)
exit(status);
}
int get_superblock_endianness(u32 magic)
int get_superblock_endianness(uint32_t magic)
{
if (magic == CRAMFS_MAGIC) {
cramfs_is_big_endian = HOST_IS_BIG_ENDIAN;
@ -236,7 +237,7 @@ static void test_super(int *start, size_t *length) {
static void test_crc(int start)
{
void *buf;
u32 crc;
uint32_t crc;
if (!(super.flags & CRAMFS_FLAG_FSID_VERSION_2)) {
#ifdef INCLUDE_FS_TESTS
@ -402,7 +403,7 @@ static void do_uncompress(char *path, int fd, unsigned long offset, unsigned lon
do {
unsigned long out = page_size;
unsigned long next = u32_toggle_endianness(cramfs_is_big_endian, *(u32 *) romfs_read(offset));
unsigned long next = u32_toggle_endianness(cramfs_is_big_endian, *(uint32_t *) romfs_read(offset));
if (next > end_data) {
end_data = next;
@ -563,7 +564,7 @@ static void do_symlink(char *path, struct cramfs_inode *i)
{
unsigned long offset = i->offset << 2;
unsigned long curr = offset + 4;
unsigned long next = u32_toggle_endianness(cramfs_is_big_endian, *(u32 *) romfs_read(offset));
unsigned long next = u32_toggle_endianness(cramfs_is_big_endian, *(uint32_t *) romfs_read(offset));
unsigned long size;
if (offset == 0) {

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@ -634,7 +634,7 @@ do_compress(char *base, unsigned int offset, unsigned char const *name,
exit(MKFS_ERROR);
}
*(u32 *) (base + offset) = u32_toggle_endianness(cramfs_is_big_endian, curr);
*(uint32_t *) (base + offset) = u32_toggle_endianness(cramfs_is_big_endian, curr);
offset += 4;
} while (size);
@ -736,7 +736,7 @@ int main(int argc, char **argv)
loff_t fslen_ub = sizeof(struct cramfs_super);
unsigned int fslen_max;
char const *dirname, *outfile;
u32 crc = crc32(0L, Z_NULL, 0);
uint32_t crc = crc32(0L, Z_NULL, 0);
int c;
cramfs_is_big_endian = HOST_IS_BIG_ENDIAN; /* default is to use host order */