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| author | Michael Widenius <monty@askmonty.org> | 2010-08-27 17:12:44 +0300 |
|---|---|---|
| committer | Michael Widenius <monty@askmonty.org> | 2010-08-27 17:12:44 +0300 |
| commit | ad6d95d3cb420557cfc7efa658181a8d20b4c154 (patch) | |
| tree | 984bb45ca187a6cc38c7132a9600d91515df564e /storage/myisam/mi_dynrec.c | |
| parent | 9bc9855c16f815e71223398ef17cd6052becc44e (diff) | |
| parent | 7909541953de43c7b7d16513c8d612cfe405af67 (diff) | |
| download | mariadb-git-ad6d95d3cb420557cfc7efa658181a8d20b4c154.tar.gz | |
Merge with MySQL 5.1.50
- Changed to still use bcmp() in certain cases becasue
- Faster for short unaligneed strings than memcmp()
- Bettern when using valgrind
- Changed to use my_sprintf() instead of sprintf() to get higher portability for old systems
- Changed code to use MariaDB version of select->skip_record()
- Removed -%::SCCS/s.% from Makefile.am:s to remove automake warnings
Diffstat (limited to 'storage/myisam/mi_dynrec.c')
| -rw-r--r-- | storage/myisam/mi_dynrec.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/storage/myisam/mi_dynrec.c b/storage/myisam/mi_dynrec.c index dae8fbe50a8..f08e9f32a3f 100644 --- a/storage/myisam/mi_dynrec.c +++ b/storage/myisam/mi_dynrec.c @@ -66,9 +66,12 @@ static int _mi_cmp_buffer(File file, const uchar *buff, my_off_t filepos, my_bool mi_dynmap_file(MI_INFO *info, my_off_t size) { DBUG_ENTER("mi_dynmap_file"); - if (size > (my_off_t) (~((size_t) 0))) + if (size == 0 || size > (my_off_t) (~((size_t) 0))) { - DBUG_PRINT("warning", ("File is too large for mmap")); + if (size) + DBUG_PRINT("warning", ("File is too large for mmap")); + else + DBUG_PRINT("warning", ("Do not mmap zero-length")); DBUG_RETURN(1); } /* |