diff options
| author | Daniel Dickinson <openwrt@daniel.thecshore.com> | 2016-03-25 03:04:18 -0400 |
|---|---|---|
| committer | Daniel Dickinson <openwrt@daniel.thecshore.com> | 2016-03-25 03:04:25 -0400 |
| commit | 9652d44ef20d5ffcf65df319653590426029ebce (patch) | |
| tree | 056661d9161af90b710c50c3e2d60a5bb3af405e /modules/luci-base | |
| parent | 5b79e62c0a99bab8dfb8dce8124d9fecc11da54b (diff) | |
luci-base: Add option to check linked libraries
Some packages have different variants that have different
capabilities depending on which libraries against which
they are linked. Add a function to check which library a
binary links against in order to determine available
functionality.
Signed-off-by: Daniel Dickinson <openwrt@daniel.thecshore.com>
Diffstat (limited to 'modules/luci-base')
| -rw-r--r-- | modules/luci-base/luasrc/util.lua | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/modules/luci-base/luasrc/util.lua b/modules/luci-base/luasrc/util.lua index 2956aadcf..d614a6c79 100644 --- a/modules/luci-base/luasrc/util.lua +++ b/modules/luci-base/luasrc/util.lua @@ -636,6 +636,23 @@ function libpath() return require "nixio.fs".dirname(ldebug.__file__) end +function checklib(fullpathexe, wantedlib) + local fs = require "nixio.fs" + local haveldd = fs.access('/usr/bin/ldd') + if not haveldd then + return -1 + end + local libs = exec("/usr/bin/ldd " .. fullpathexe) + if not libs then + return 0 + end + for k, v in ipairs(split(libs)) do + if v:find(wantedlib) then + return 1 + end + end + return 0 +end -- -- Coroutine safe xpcall and pcall versions modified for Luci |