ZhuningOS/file
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Initialize for file

Browse source
This commit is contained in:
zyppe 2024-02-07 23:00:46 +08:00
commit 9e73005be0
35 changed files with 2647 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

167
file-5.23-endian.patch Normal file
View file

@ -0,0 +1,167 @@
---
src/apprentice.c | 70 ++++---------------------------------------------------
src/cdf.c | 53 +++--------------------------------------
2 files changed, 10 insertions(+), 113 deletions(-)
--- src/apprentice.c
+++ src/apprentice.c 2017-09-13 10:32:39.981204996 +0000
@@ -54,6 +54,7 @@ FILE_RCSID("@(#)$File: apprentice.c,v 1.
#if defined(HAVE_LIMITS_H)
#include <limits.h>
#endif
+#include <byteswap.h>
#ifndef SSIZE_MAX
#define MAXMAGIC_SIZE ((ssize_t)0x7fffffff)
@@ -132,9 +133,11 @@ private struct mlist *mlist_alloc(void);
private void mlist_free(struct mlist *);
private void byteswap(struct magic *, uint32_t);
private void bs1(struct magic *);
-private uint16_t swap2(uint16_t);
-private uint32_t swap4(uint32_t);
-private uint64_t swap8(uint64_t);
+
+#define swap2(x) bswap_16(x)
+#define swap4(x) bswap_32(x)
+#define swap8(x) bswap_64(x)
+
private char *mkdbname(struct magic_set *, const char *, int);
private struct magic_map *apprentice_buf(struct magic_set *, struct magic *,
size_t);
@@ -3260,67 +3263,6 @@ byteswap(struct magic *magic, uint32_t n
}
/*
- * swap a short
- */
-private uint16_t
-swap2(uint16_t sv)
-{
- uint16_t rv;
- uint8_t *s = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(void *)&rv;
- d[0] = s[1];
- d[1] = s[0];
- return rv;
-}
-
-/*
- * swap an int
- */
-private uint32_t
-swap4(uint32_t sv)
-{
- uint32_t rv;
- uint8_t *s = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(void *)&rv;
- d[0] = s[3];
- d[1] = s[2];
- d[2] = s[1];
- d[3] = s[0];
- return rv;
-}
-
-/*
- * swap a quad
- */
-private uint64_t
-swap8(uint64_t sv)
-{
- uint64_t rv;
- uint8_t *s = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(void *)&rv;
-#if 0
- d[0] = s[3];
- d[1] = s[2];
- d[2] = s[1];
- d[3] = s[0];
- d[4] = s[7];
- d[5] = s[6];
- d[6] = s[5];
- d[7] = s[4];
-#else
- d[0] = s[7];
- d[1] = s[6];
- d[2] = s[5];
- d[3] = s[4];
- d[4] = s[3];
- d[5] = s[2];
- d[6] = s[1];
- d[7] = s[0];
-#endif
- return rv;
-}
-
-/*
* byteswap a single magic entry
*/
private void
--- src/cdf.c
+++ src/cdf.c 2017-09-13 10:32:39.981204996 +0000
@@ -50,6 +50,7 @@ FILE_RCSID("@(#)$File: cdf.c,v 1.106 201
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
+#include <byteswap.h>
#ifndef EFTYPE
#define EFTYPE EINVAL
@@ -109,55 +110,9 @@ 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 = (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