SHA256
1
0
forked from pool/file
file/file-5.23-endian.patch

169 lines
3.4 KiB
Diff

---
src/apprentice.c | 71 ++++---------------------------------------------------
src/cdf.c | 53 +++--------------------------------------
2 files changed, 10 insertions(+), 114 deletions(-)
--- src/apprentice.c
+++ src/apprentice.c 2019-02-21 07:03:30.961751563 +0000
@@ -50,7 +50,7 @@ FILE_RCSID("@(#)$File: apprentice.c,v 1.
#endif
#include <dirent.h>
#include <limits.h>
-
+#include <byteswap.h>
#define EATAB {while (isascii(CAST(unsigned char, *l)) && \
isspace(CAST(unsigned char, *l))) ++l;}
@@ -123,9 +123,11 @@ private struct mlist *mlist_alloc(void);
private void mlist_free(struct mlist *);
private void byteswap(struct magic *, uint32_t);
private void bs1(struct magic *);
-private uint16_t swap2(uint16_t);
-private uint32_t swap4(uint32_t);
-private uint64_t swap8(uint64_t);
+
+#define swap2(x) bswap_16(x)
+#define swap4(x) bswap_32(x)
+#define swap8(x) bswap_64(x)
+
private char *mkdbname(struct magic_set *, const char *, int);
private struct magic_map *apprentice_buf(struct magic_set *, struct magic *,
size_t);
@@ -3292,67 +3294,6 @@ byteswap(struct magic *magic, uint32_t n
}
/*
- * swap a short
- */
-private uint16_t
-swap2(uint16_t sv)
-{
- uint16_t rv;
- uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv));
- uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv));
- d[0] = s[1];
- d[1] = s[0];
- return rv;
-}
-
-/*
- * swap an int
- */
-private uint32_t
-swap4(uint32_t sv)
-{
- uint32_t rv;
- uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv));
- uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv));
- d[0] = s[3];
- d[1] = s[2];
- d[2] = s[1];
- d[3] = s[0];
- return rv;
-}
-
-/*
- * swap a quad
- */
-private uint64_t
-swap8(uint64_t sv)
-{
- uint64_t rv;
- uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv));
- uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv));
-#if 0
- d[0] = s[3];
- d[1] = s[2];
- d[2] = s[1];
- d[3] = s[0];
- d[4] = s[7];
- d[5] = s[6];
- d[6] = s[5];
- d[7] = s[4];
-#else
- d[0] = s[7];
- d[1] = s[6];
- d[2] = s[5];
- d[3] = s[4];
- d[4] = s[3];
- d[5] = s[2];
- d[6] = s[1];
- d[7] = s[0];
-#endif
- return rv;
-}
-
-/*
* byteswap a single magic entry
*/
private void
--- src/cdf.c
+++ src/cdf.c 2019-02-21 07:05:15.503772161 +0000
@@ -48,6 +48,7 @@ FILE_RCSID("@(#)$File: cdf.c,v 1.114 201
#include <time.h>
#include <ctype.h>
#include <limits.h>
+#include <byteswap.h>
#ifndef EFTYPE
#define EFTYPE EINVAL
@@ -116,55 +117,9 @@ cdf_calloc(const char *file __attribute_
return calloc(n, u);
}
-/*
- * swap a short
- */
-static uint16_t
-_cdf_tole2(uint16_t sv)
-{
- uint16_t rv;
- uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv));
- uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv));
- d[0] = s[1];
- d[1] = s[0];
- return rv;
-}
-
-/*
- * swap an int
- */
-static uint32_t
-_cdf_tole4(uint32_t sv)
-{
- uint32_t rv;
- uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv));
- uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv));
- d[0] = s[3];
- d[1] = s[2];
- d[2] = s[1];
- d[3] = s[0];
- return rv;
-}
-
-/*
- * swap a quad
- */
-static uint64_t
-_cdf_tole8(uint64_t sv)
-{
- uint64_t rv;
- uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv));
- uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv));
- d[0] = s[7];
- d[1] = s[6];
- d[2] = s[5];
- d[3] = s[4];
- d[4] = s[3];
- d[5] = s[2];
- d[6] = s[1];
- d[7] = s[0];
- return rv;
-}
+#define _cdf_tole2(x) bswap_16(x)
+#define _cdf_tole4(x) bswap_32(x)
+#define _cdf_tole8(x) bswap_64(x)
/*
* grab a uint32_t from a possibly unaligned address, and return it in