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

173 lines
3.2 KiB
Diff

--- src/apprentice.c.orig
+++ src/apprentice.c
@@ -48,6 +48,7 @@ FILE_RCSID("@(#)$File: apprentice.c,v 1.
#include <sys/mman.h>
#endif
#include <dirent.h>
+#include <byteswap.h>
#define EATAB {while (isascii((unsigned char) *l) && \
isspace((unsigned char) *l)) ++l;}
@@ -97,9 +98,11 @@ private int apprentice_load(struct magic
const char *, int);
private void byteswap(struct magic *, uint32_t);
private void bs1(struct magic *);
-private uint16_t swap2(uint16_t);
-private uint32_t swap4(uint32_t);
-private uint64_t swap8(uint64_t);
+
+#define swap2(x) bswap_16(x)
+#define swap4(x) bswap_32(x)
+#define swap8(x) bswap_64(x)
+
private char *mkdbname(struct magic_set *, const char *, int);
private int apprentice_map(struct magic_set *, struct magic **, uint32_t *,
const char *);
@@ -662,7 +665,7 @@ set_test_type(struct magic *mstart, stru
/* invalid search type, but no need to complain here */
break;
}
- return 0;
+ //return 0;
}
/*
@@ -2412,67 +2415,6 @@ byteswap(struct magic *magic, uint32_t n
}
/*
- * swap a short
- */
-private uint16_t
-swap2(uint16_t sv)
-{
- uint16_t rv;
- uint8_t *s = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(void *)&rv;
- d[0] = s[1];
- d[1] = s[0];
- return rv;
-}
-
-/*
- * swap an int
- */
-private uint32_t
-swap4(uint32_t sv)
-{
- uint32_t rv;
- uint8_t *s = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(void *)&rv;
- d[0] = s[3];
- d[1] = s[2];
- d[2] = s[1];
- d[3] = s[0];
- return rv;
-}
-
-/*
- * swap a quad
- */
-private uint64_t
-swap8(uint64_t sv)
-{
- uint64_t rv;
- uint8_t *s = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(void *)&rv;
-#if 0
- d[0] = s[3];
- d[1] = s[2];
- d[2] = s[1];
- d[3] = s[0];
- d[4] = s[7];
- d[5] = s[6];
- d[6] = s[5];
- d[7] = s[4];
-#else
- d[0] = s[7];
- d[1] = s[6];
- d[2] = s[5];
- d[3] = s[4];
- d[4] = s[3];
- d[5] = s[2];
- d[6] = s[1];
- d[7] = s[0];
-#endif
- return rv;
-}
-
-/*
* byteswap a single magic entry
*/
private void
--- src/cdf.c.orig
+++ src/cdf.c
@@ -50,6 +50,7 @@ FILE_RCSID("@(#)$File: cdf.c,v 1.50 2012
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
+#include <byteswap.h>
#ifndef EFTYPE
#define EFTYPE EINVAL
@@ -75,56 +76,9 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole2(x) : (uint16_t)(x)))
#define CDF_GETUINT32(x, y) cdf_getuint32(x, y)
-
-/*
- * swap a short
- */
-static uint16_t
-_cdf_tole2(uint16_t sv)
-{
- uint16_t rv;
- uint8_t *s = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(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 = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(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 = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(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