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Overview
| Comment: | Added cast to PAGE_TO_PGHDR1 macro to remove warning. It looks like despite the warning, the compiler (tested with VS2005 and GCC on Windows) was doing the right thing. Ticket #3510. (CVS 5953) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
e93cec0a72c7c330e63d38d683f4c8b6 |
| User & Date: | shane 2008-11-24 20:05:39 |
Context
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2008-11-25
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| 12:07 | Move the definition of function transferOwnership() in os_unix.c to below the static functions it calls. (CVS 5954) (check-in: 622cb597 user: danielk1977 tags: trunk) | |
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2008-11-24
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| 20:05 | Added cast to PAGE_TO_PGHDR1 macro to remove warning. It looks like despite the warning, the compiler (tested with VS2005 and GCC on Windows) was doing the right thing. Ticket #3510. (CVS 5953) (check-in: e93cec0a user: shane tags: trunk) | |
| 20:01 | Fixed some spelling errors in sqliteInt.h. Ticket #3509. (CVS 5952) (check-in: 7e134a5c user: shane tags: trunk) | |
Changes
Changes to src/pcache1.c.
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** ** This file implements the default page cache implementation (the ** sqlite3_pcache interface). It also contains part of the implementation ** of the SQLITE_CONFIG_PAGECACHE and sqlite3_release_memory() features. ** If the default page cache implementation is overriden, then neither of ** these two features are available. ** ** @(#) $Id: pcache1.c,v 1.3 2008/11/19 09:05:27 danielk1977 Exp $ */ #include "sqliteInt.h" typedef struct PCache1 PCache1; typedef struct PgHdr1 PgHdr1; typedef struct PgFreeslot PgFreeslot; ................................................................................ ** bytes. The PAGE_TO_PGHDR1() macro does the opposite: its argument is ** a pointer to a block of szPage bytes of data and the return value is ** a pointer to the associated PgHdr1 structure. ** ** assert( PGHDR1_TO_PAGE(PAGE_TO_PGHDR1(X))==X ); */ #define PGHDR1_TO_PAGE(p) (void *)(&((unsigned char *)p)[sizeof(PgHdr1)]) #define PAGE_TO_PGHDR1(p) (PgHdr1 *)(&((unsigned char *)p)[-1*sizeof(PgHdr1)]) /* ** Macros to enter and leave the global LRU mutex. */ #define pcache1EnterMutex() sqlite3_mutex_enter(pcache1.mutex) #define pcache1LeaveMutex() sqlite3_mutex_leave(pcache1.mutex) |
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** ** This file implements the default page cache implementation (the ** sqlite3_pcache interface). It also contains part of the implementation ** of the SQLITE_CONFIG_PAGECACHE and sqlite3_release_memory() features. ** If the default page cache implementation is overriden, then neither of ** these two features are available. ** ** @(#) $Id: pcache1.c,v 1.4 2008/11/24 20:05:39 shane Exp $ */ #include "sqliteInt.h" typedef struct PCache1 PCache1; typedef struct PgHdr1 PgHdr1; typedef struct PgFreeslot PgFreeslot; ................................................................................ ** bytes. The PAGE_TO_PGHDR1() macro does the opposite: its argument is ** a pointer to a block of szPage bytes of data and the return value is ** a pointer to the associated PgHdr1 structure. ** ** assert( PGHDR1_TO_PAGE(PAGE_TO_PGHDR1(X))==X ); */ #define PGHDR1_TO_PAGE(p) (void *)(&((unsigned char *)p)[sizeof(PgHdr1)]) #define PAGE_TO_PGHDR1(p) (PgHdr1 *)(&((unsigned char *)p)[-1*(int)sizeof(PgHdr1)]) /* ** Macros to enter and leave the global LRU mutex. */ #define pcache1EnterMutex() sqlite3_mutex_enter(pcache1.mutex) #define pcache1LeaveMutex() sqlite3_mutex_leave(pcache1.mutex) |