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Add the SQLITE_TESTCTRL_BYTEORDER test control to interrogate SQLite's notion

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of the processor byte order and whether the byte order is known at compile-time
or determined at run-time.

FossilOrigin-Name: 9c6961967ae00e563ebe2859eaf2639a79f2cb01
This commit is contained in:
drh
2014-04-18 00:06:02 +00:00
parent 65b9ac5224
commit 2cf4acbd9f
6 changed files with 38 additions and 16 deletions
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18
manifest
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@@ -1,5 +1,5 @@
C Make\ssure\sthe\sundocumented\ssqlite_rename_parent()\sfunction\sdoes\snot\ncrash\seven\sif\sit\sis\sinvoked\swith\sNULL\sarguments.\nTicket\s[264b970c4379fd4b94]
D 2014-04-14T19:48:25.984
C Add\sthe\sSQLITE_TESTCTRL_BYTEORDER\stest\scontrol\sto\sinterrogate\sSQLite's\snotion\nof\sthe\sprocessor\sbyte\sorder\sand\swhether\sthe\sbyte\sorder\sis\sknown\sat\scompile-time\nor\sdetermined\sat\srun-time.
D 2014-04-18T00:06:02.110
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 2ef13430cd359f7b361bb863504e227b25cc7f81
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -186,7 +186,7 @@ F src/journal.c b4124532212b6952f42eb2c12fa3c25701d8ba8d
F src/legacy.c 0df0b1550b9cc1f58229644735e317ac89131f12
F src/lempar.c cdf0a000315332fc9b50b62f3b5e22e080a0952b
F src/loadext.c 867c7b330b740c6c917af9956b13b81d0a048303
F src/main.c 691b25754bef596108fe60ff1bcbe8445369c9db
F src/main.c 0a8cfb6b2899649880e5874ac9bfd1c6f7c6a4a3
F src/malloc.c 0203ebce9152c6a0e5de520140b8ba65187350be
F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
F src/mem1.c c0c990fcaddff810ea277b4fb5d9138603dd5d4b
@@ -218,11 +218,11 @@ F src/random.c d10c1f85b6709ca97278428fd5db5bbb9c74eece
F src/resolve.c 273d5f47c4e2c05b2d3d2bffeda939551ab59e66
F src/rowset.c a9c9aae3234b44a6d7c6f5a3cadf90dce1e627be
F src/select.c 269c3e31a450fce642a10569221a49180348c88e
F src/shell.c 5260f2ada8dd06e9f5ae0a448c8c01e7a75dd881
F src/sqlite.h.in a2ef671f92747a5a1c8a47bad5c585a8dd9eca80
F src/shell.c 2afe7a7154e97be0c74c5feacf09626bda8493be
F src/sqlite.h.in bde98816e1ba0c9ffef50afe7b32f4e5a8f54fe0
F src/sqlite3.rc 11094cc6a157a028b301a9f06b3d03089ea37c3e
F src/sqlite3ext.h 886f5a34de171002ad46fae8c36a7d8051c190fc
F src/sqliteInt.h dadd17dbd05fd17cad157a7d96339bf4a0b41172
F src/sqliteInt.h 35a265ef6e137e9af289d6e3b55745323148ad66
F src/sqliteLimit.h 164b0e6749d31e0daa1a4589a169d31c0dec7b3d
F src/status.c 7ac05a5c7017d0b9f0b4bcd701228b784f987158
F src/table.c 2cd62736f845d82200acfa1287e33feb3c15d62e
@@ -1160,7 +1160,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff
P ab23abf392175d3e256ff619b13abbbe732a49ed
R 410ec05c8f2a9918dc68eaaf465de80d
P c6fa8d0d82805be230f672eabccdfa5680d4ddfd
R f2d9932522491a86ed313bf5e3a1693d
U drh
Z 8590c3c7b25dad5b568a22b07ca7e219
Z 4f6d25a564bc084e4d5fbc71ec75b6b1

2
manifest.uuid
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@@ -1 +1 @@
c6fa8d0d82805be230f672eabccdfa5680d4ddfd
9c6961967ae00e563ebe2859eaf2639a79f2cb01

16
src/main.c
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@@ -3205,6 +3205,22 @@ int sqlite3_test_control(int op, ...){
break;
}
/*
** sqlite3_test_control(SQLITE_TESTCTRL_BYTEORDER);
**
** The integer returned reveals the byte-order of the computer on which
** SQLite is running:
**
** 1 big-endian, determined at run-time
** 10 little-endian, determined at run-time
** 432101 big-endian, determined at compile-time
** 123410 little-endian, determined at compile-time
*/
case SQLITE_TESTCTRL_BYTEORDER: {
rc = SQLITE_BYTEORDER*100 + SQLITE_LITTLEENDIAN*10 + SQLITE_BIGENDIAN;
break;
}
/* sqlite3_test_control(SQLITE_TESTCTRL_RESERVE, sqlite3 *db, int N)
**
** Set the nReserve size to N for the main database on the database

6
src/shell.c
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@@ -3027,6 +3027,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
{ "optimizations", SQLITE_TESTCTRL_OPTIMIZATIONS },
{ "iskeyword", SQLITE_TESTCTRL_ISKEYWORD },
{ "scratchmalloc", SQLITE_TESTCTRL_SCRATCHMALLOC },
{ "byteorder", SQLITE_TESTCTRL_BYTEORDER },
};
int testctrl = -1;
int rc = 0;
@@ -3067,9 +3068,10 @@ static int do_meta_command(char *zLine, struct callback_data *p){
break;
/* sqlite3_test_control(int) */
case SQLITE_TESTCTRL_PRNG_SAVE:
case SQLITE_TESTCTRL_PRNG_RESTORE:
case SQLITE_TESTCTRL_PRNG_SAVE:
case SQLITE_TESTCTRL_PRNG_RESTORE:
case SQLITE_TESTCTRL_PRNG_RESET:
case SQLITE_TESTCTRL_BYTEORDER:
if( nArg==2 ){
rc = sqlite3_test_control(testctrl);
fprintf(p->out, "%d (0x%08x)\n", rc, rc);

3
src/sqlite.h.in
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@@ -6118,7 +6118,8 @@ int sqlite3_test_control(int op, ...);
#define SQLITE_TESTCTRL_EXPLAIN_STMT 19
#define SQLITE_TESTCTRL_NEVER_CORRUPT 20
#define SQLITE_TESTCTRL_VDBE_COVERAGE 21
#define SQLITE_TESTCTRL_LAST 21
#define SQLITE_TESTCTRL_BYTEORDER 22
#define SQLITE_TESTCTRL_LAST 22
/*
** CAPI3REF: SQLite Runtime Status

9
src/sqliteInt.h
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@@ -553,15 +553,18 @@ const int sqlite3one = 1;
#else
extern const int sqlite3one;
#endif
#if defined(i386) || defined(__i386__) || defined(_M_IX86)\
|| defined(__x86_64) || defined(__x86_64__)
#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)
# define SQLITE_BYTEORDER 1234
# define SQLITE_BIGENDIAN 0
# define SQLITE_LITTLEENDIAN 1
# define SQLITE_UTF16NATIVE SQLITE_UTF16LE
#else
# 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)
# define SQLITE_UTF16NATIVE (SQLITE_BIGENDIAN?SQLITE_UTF16BE:SQLITE_UTF16LE)
#endif
/*