[PATCH weston v2 2/4] weston: Allow relative paths for modules
Quentin Glidic
sardemff7+wayland at sardemff7.net
Fri Jun 7 01:46:42 PDT 2013
From: Quentin Glidic <sardemff7+git at sardemff7.net>
This is to be used by tests or when developping to load modules directly
from the build tree
Signed-off-by: Quentin Glidic <sardemff7+git at sardemff7.net>
---
man/weston.man | 5 +++--
src/compositor.c | 9 ++++++---
2 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/man/weston.man b/man/weston.man
index 39d854b..50c8ba1 100644
--- a/man/weston.man
+++ b/man/weston.man
@@ -99,7 +99,8 @@ Load
.I backend.so
instead of the default backend. The file is searched for in
.IR "__weston_modules_dir__" ,
-or you can pass an absolute path. The default backend is
+or you can pass a path (absolute, .-relative or ..-relative). The default
+backend is
.I __weston_native_backend__
unless the environment suggests otherwise, see
.IR DISPLAY " and " WAYLAND_DISPLAY .
@@ -128,7 +129,7 @@ instead of writing them to stderr.
Load the comma-separated list of modules. Only used by the test
suite. The file is searched for in
.IR "__weston_modules_dir__" ,
-or you can pass an absolute path.
+or you can pass a path (absolute, .-relative or ..-relative).
.TP
\fB\-\^S\fR\fIname\fR, \fB\-\-socket\fR=\fIname\fR
Weston will listen in the Wayland socket called
diff --git a/src/compositor.c b/src/compositor.c
index 099600d..1096d81 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -3019,10 +3019,13 @@ load_module(const char *name, const char *entrypoint)
char path[PATH_MAX];
void *module, *init;
- if (name[0] != '/')
- snprintf(path, sizeof path, "%s/%s", MODULEDIR, name);
+ if (name[0] == '/' || /* If the path is absolute or .. */
+ (name[0] == '.' && /* ... relative to ... */
+ (name[1] == '/' || /* ... current dir or ... */
+ (name[1] == '.' && name[2] == '/')))) /* ... parent dir ... */
+ snprintf(path, sizeof path, "%s", name); /* ... load the exact specified module */
else
- snprintf(path, sizeof path, "%s", name);
+ snprintf(path, sizeof path, "%s/%s", MODULEDIR, name);
module = dlopen(path, RTLD_NOW | RTLD_NOLOAD);
if (module) {
--
1.8.3
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