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compat: introduce on_disk_bytes()

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Some platforms do not have st_blocks member in "struct stat"; mingw
already emulates it by rounding it up to closest 512-byte blocks (even
though it could overcount when a file has holes).

The reason to use the member is only to figure out how many kilobytes the
files occupy on-disk, so give a helper function in git-compat-util.h to
compute this value.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
Acked-by: Johannes Sixt <johannes.sixt@telecom.at>
This commit is contained in:
Junio C Hamano
2008-08-18 21:57:16 +02:00
parent 2ebc02d32a
commit fdb2a2a600
5 changed files with 15 additions and 11 deletions
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6
git-compat-util.h
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@ -192,6 +192,12 @@ extern int git_munmap(void *start, size_t length);
#endif /* NO_MMAP */
#ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
#define on_disk_bytes(st) ((st).st_size)
#else
#define on_disk_bytes(st) ((st).st_blocks * 512)
#endif
#define DEFAULT_PACKED_GIT_LIMIT \
((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))