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authorDan McGee <dan@archlinux.org>2012-01-11 15:39:52 -0600
committerDan McGee <dan@archlinux.org>2012-01-18 22:10:06 -0600
commitb3612e9cc198f198b3806efa461bf6fc04dd4502 (patch)
tree85d6018836a02c4ed4cb1211d3ec73d34a2259c9 /lib/libalpm/delta.c
parent6e8ca48cbb22c328deab56b1740be04ea7ddba6e (diff)
Allow UseDelta option to specify a delta ratio
Rework the frontend and backend to allow passing a ratio value in for UseDelta rather than having a hardcoded #define-d 0.7 value always used. This is useful for those with fast connections, who would likely benefit from tuning this ratio to lower values; it is also useful for general testing purposes. The libalpm API changes for this, but we do support the old config file format with a no-value 'UseDelta' option; in this case we simply use the old default of 0.7. We clamp the ratio values to a sane range between 0.0 and 2.0, allowing ratios above 1.0 for testing purposes. Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'lib/libalpm/delta.c')
-rw-r--r--lib/libalpm/delta.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libalpm/delta.c b/lib/libalpm/delta.c
index 726f03c0..e3acc666 100644
--- a/lib/libalpm/delta.c
+++ b/lib/libalpm/delta.c
@@ -264,7 +264,8 @@ static alpm_list_t *find_unused(alpm_list_t *deltas, const char *to, off_t quota
alpm_list_t SYMEXPORT *alpm_pkg_unused_deltas(alpm_pkg_t *pkg)
{
ASSERT(pkg != NULL, return NULL);
- return find_unused(pkg->deltas, pkg->filename, pkg->size * MAX_DELTA_RATIO);
+ return find_unused(pkg->deltas, pkg->filename,
+ pkg->size * pkg->handle->deltaratio);
}
/** @} */