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Overview
| Comment: | Avoid a harmless compiler warning on systems where the byteorder cannot be determined at compile-time. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
7c7b7f26306b6aa6ff35b871ad756f43 |
| User & Date: | drh 2015-12-24 14:53:27 |
Context
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2015-12-30
| ||
| 01:07 | Add the json_group_array() and json_group_object() aggregate functions to the JSON1 extension. check-in: 7f386a93 user: drh tags: trunk | |
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2015-12-24
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| 14:53 | Avoid a harmless compiler warning on systems where the byteorder cannot be determined at compile-time. check-in: 7c7b7f26 user: drh tags: trunk | |
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2015-12-23
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| 16:42 | Fix some harmless gcc compiler warnings. Mostly in fts5, but also two in the core code. check-in: 5d44d4a6 user: dan tags: trunk | |
Changes
Changes to src/sqliteInt.h.
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** and whether or not that determination is run-time or compile-time. ** ** For best performance, an attempt is made to guess at the byte-order ** using C-preprocessor macros. If that is unsuccessful, or if ** -DSQLITE_RUNTIME_BYTEORDER=1 is set, then byte-order is determined ** at run-time. */ #ifdef SQLITE_AMALGAMATION const int sqlite3one = 1; #else extern const int sqlite3one; #endif #if (defined(i386) || defined(__i386__) || defined(_M_IX86) || \ defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \ defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \ defined(__arm__)) && !defined(SQLITE_RUNTIME_BYTEORDER) # define SQLITE_BYTEORDER 1234 # define SQLITE_BIGENDIAN 0 # define SQLITE_LITTLEENDIAN 1 ................................................................................ && !defined(SQLITE_RUNTIME_BYTEORDER) # define SQLITE_BYTEORDER 4321 # define SQLITE_BIGENDIAN 1 # define SQLITE_LITTLEENDIAN 0 # define SQLITE_UTF16NATIVE SQLITE_UTF16BE #endif #if !defined(SQLITE_BYTEORDER) # define SQLITE_BYTEORDER 0 /* 0 means "unknown at compile-time" */ # define SQLITE_BIGENDIAN (*(char *)(&sqlite3one)==0) # define SQLITE_LITTLEENDIAN (*(char *)(&sqlite3one)==1) # define SQLITE_UTF16NATIVE (SQLITE_BIGENDIAN?SQLITE_UTF16BE:SQLITE_UTF16LE) #endif /* |
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** and whether or not that determination is run-time or compile-time.
**
** For best performance, an attempt is made to guess at the byte-order
** using C-preprocessor macros. If that is unsuccessful, or if
** -DSQLITE_RUNTIME_BYTEORDER=1 is set, then byte-order is determined
** at run-time.
*/
#if (defined(i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \
defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \
defined(__arm__)) && !defined(SQLITE_RUNTIME_BYTEORDER)
# define SQLITE_BYTEORDER 1234
# define SQLITE_BIGENDIAN 0
# define SQLITE_LITTLEENDIAN 1
................................................................................
&& !defined(SQLITE_RUNTIME_BYTEORDER)
# define SQLITE_BYTEORDER 4321
# define SQLITE_BIGENDIAN 1
# define SQLITE_LITTLEENDIAN 0
# define SQLITE_UTF16NATIVE SQLITE_UTF16BE
#endif
#if !defined(SQLITE_BYTEORDER)
# ifdef SQLITE_AMALGAMATION
const int sqlite3one = 1;
# else
extern const int sqlite3one;
# endif
# define SQLITE_BYTEORDER 0 /* 0 means "unknown at compile-time" */
# define SQLITE_BIGENDIAN (*(char *)(&sqlite3one)==0)
# define SQLITE_LITTLEENDIAN (*(char *)(&sqlite3one)==1)
# define SQLITE_UTF16NATIVE (SQLITE_BIGENDIAN?SQLITE_UTF16BE:SQLITE_UTF16LE)
#endif
/*
|
Changes to src/utf.c.
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 |
** 0xfe 0xff big-endian utf-16 follows
**
*/
#include "sqliteInt.h"
#include <assert.h>
#include "vdbeInt.h"
#ifndef SQLITE_AMALGAMATION
/*
** The following constant value is used by the SQLITE_BIGENDIAN and
** SQLITE_LITTLEENDIAN macros.
*/
const int sqlite3one = 1;
#endif /* SQLITE_AMALGAMATION */
/*
** This lookup table is used to help decode the first byte of
** a multi-byte UTF8 character.
*/
static const unsigned char sqlite3Utf8Trans1[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
| | |
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 |
** 0xfe 0xff big-endian utf-16 follows ** */ #include "sqliteInt.h" #include <assert.h> #include "vdbeInt.h" #if !defined(SQLITE_AMALGAMATION) && SQLITE_BYTEORDER==0 /* ** The following constant value is used by the SQLITE_BIGENDIAN and ** SQLITE_LITTLEENDIAN macros. */ const int sqlite3one = 1; #endif /* SQLITE_AMALGAMATION && SQLITE_BYTEORDER==0 */ /* ** This lookup table is used to help decode the first byte of ** a multi-byte UTF8 character. */ static const unsigned char sqlite3Utf8Trans1[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |