diff options
author | Hans-Christoph Steiner <hans@eds.org> | 2013-08-13 15:42:54 -0400 |
---|---|---|
committer | Hans-Christoph Steiner <hans@eds.org> | 2013-08-13 15:42:54 -0400 |
commit | 08119c361d1181b3e8f1abb429236e488a664753 (patch) | |
tree | 77e5a8b6d411ca32c360c7e48df5c293b1e0baac /src/os.c | |
parent | 1b5ba8e022836fa8ab93bc90df1b34a29ea6e134 (diff) |
Imported Upstream version 2.2.1
Diffstat (limited to 'src/os.c')
-rw-r--r-- | src/os.c | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -141,6 +141,26 @@ int sqlite3OsShmMap( return id->pMethods->xShmMap(id, iPage, pgsz, bExtend, pp); } +#if SQLITE_MAX_MMAP_SIZE>0 +/* The real implementation of xFetch and xUnfetch */ +int sqlite3OsFetch(sqlite3_file *id, i64 iOff, int iAmt, void **pp){ + DO_OS_MALLOC_TEST(id); + return id->pMethods->xFetch(id, iOff, iAmt, pp); +} +int sqlite3OsUnfetch(sqlite3_file *id, i64 iOff, void *p){ + return id->pMethods->xUnfetch(id, iOff, p); +} +#else +/* No-op stubs to use when memory-mapped I/O is disabled */ +int sqlite3OsFetch(sqlite3_file *id, i64 iOff, int iAmt, void **pp){ + *pp = 0; + return SQLITE_OK; +} +int sqlite3OsUnfetch(sqlite3_file *id, i64 iOff, void *p){ + return SQLITE_OK; +} +#endif + /* ** The next group of routines are convenience wrappers around the ** VFS methods. |