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Add the sqlite3_uri_parameter() interface function for use in building

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new VFSes.

FossilOrigin-Name: 6b5de95fb575c7ceb3034068c4f5e0fccb1b15ac
This commit is contained in:
drh
2011-05-17 18:53:08 +00:00
parent 133d7dab17
commit cc487d13fc
4 changed files with 51 additions and 9 deletions
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16
manifest
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@@ -1,5 +1,5 @@
C Add\sextended\sreturn\scode\sSQLITE_CORRUPT_VTAB.\sReturned\swhen\sthe\stcontents\sof\sthe\ssqlite\stables\sused\sinternally\sby\sa\svirtual\stable\smodule\sare\sinvalid\sor\sinconsistent.
D 2011-05-17T15:56:16.473
C Add\sthe\ssqlite3_uri_parameter()\sinterface\sfunction\sfor\suse\sin\sbuilding\nnew\sVFSes.
D 2011-05-17T18:53:08.942
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 11dcc00a8d0e5202def00e81732784fb0cc4fe1d
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -144,7 +144,7 @@ F src/journal.c 552839e54d1bf76fb8f7abe51868b66acacf6a0e
F src/legacy.c a199d7683d60cef73089e892409113e69c23a99f
F src/lempar.c 7f026423f4d71d989e719a743f98a1cbd4e6d99e
F src/loadext.c 3ae0d52da013a6326310655be6473fd472347b85
F src/main.c e32d7a44c3307a4a33cfd1a2b06fb46f418ba7fc
F src/main.c d189df8eb4833ca36e93ccf7ba1b5bad6273bfea
F src/malloc.c 591aedb20ae40813f1045f2ef253438a334775d9
F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
F src/mem1.c 00bd8265c81abb665c48fea1e0c234eb3b922206
@@ -179,7 +179,7 @@ F src/resolve.c 1c0f32b64f8e3f555fe1f732f9d6f501a7f05706
F src/rowset.c 69afa95a97c524ba6faf3805e717b5b7ae85a697
F src/select.c d9d440809025a58547e39f4f268c2a296bfb56ff
F src/shell.c 72e7e176bf46d5c6518d15ac4ad6847c4bb5df79
F src/sqlite.h.in ee13c23409219c0a5fd3f0c0cd761a5073564a0b
F src/sqlite.h.in 8bbf8d9bc5f1a9474a633a2de7014506f1f06b90
F src/sqlite3ext.h c90bd5507099f62043832d73f6425d8d5c5da754
F src/sqliteInt.h b34bd64a7ade4808fcc301e0bb67ef5051ea49c6
F src/sqliteLimit.h 164b0e6749d31e0daa1a4589a169d31c0dec7b3d
@@ -936,7 +936,7 @@ F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
F tool/split-sqlite3c.tcl d9be87f1c340285a3e081eb19b4a247981ed290c
F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
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R 8174cc733f5a883825d78ae2804a3f2d
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P 8844e8bfb87314fb40ecb92705e8fff88f72bb38
R 95d48a407a23b64e1866e265afe49282
U drh
Z 6f0e27514e0a4b3281aede2f373acd02

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manifest.uuid
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@@ -1 +1 @@
8844e8bfb87314fb40ecb92705e8fff88f72bb38
6b5de95fb575c7ceb3034068c4f5e0fccb1b15ac

22
src/main.c
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@@ -2908,3 +2908,25 @@ int sqlite3_test_control(int op, ...){
#endif /* SQLITE_OMIT_BUILTIN_TEST */
return rc;
}
/*
** This is a utility routine, useful to VFS implementations, that checks
** to see if a database file was a URI that contained a specific query
** parameter, and if so obtains the value of the query parameter.
**
** The zFilename argument is the filename pointer passed into the xOpen()
** method of a VFS implementation. The zParam argument is the name of the
** query parameter we seek. This routine returns the value of the zParam
** parameter if it exists. If the parameter does not exist, this routine
** returns a NULL pointer.
*/
const char *sqlite3_uri_parameter(const char *zFilename, const char *zParam){
zFilename += sqlite3Strlen30(zFilename);
while( zFilename[0] ){
int x = strcmp(zFilename, zParam);
zFilename += sqlite3Strlen30(zFilename);
if( x==0 ) return zFilename;
zFilename += sqlite3Strlen30(zFilename);
}
return 0;
}

20
src/sqlite.h.in
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@@ -2553,6 +2553,26 @@ int sqlite3_open_v2(
const char *zVfs /* Name of VFS module to use */
);
/*
** CAPI3REF: Obtain Values For URI Parameters
**
** This is a utility routine, useful to VFS implementations, that checks
** to see if a database file was a URI that contained a specific query
** parameter, and if so obtains the value of the query parameter.
**
** The zFilename argument is the filename pointer passed into the xOpen()
** method of a VFS implementation. The zParam argument is the name of the
** query parameter we seek. This routine returns the value of the zParam
** parameter if it exists. If the parameter does not exist, this routine
** returns a NULL pointer.
**
** If the zFilename argument to this function is not a pointer that SQLite
** passed into the xOpen VFS method, then the behavior of this routine
** is undefined and probably undesirable.
*/
const char *sqlite3_uri_parameter(const char *zFilename, const char *zParam);
/*
** CAPI3REF: Error Codes And Messages
**