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authorRoy Marples <roy@marples.name>2007-05-14 19:50:13 +0000
committerRoy Marples <roy@marples.name>2007-05-14 19:50:13 +0000
commitf3888d76138c9f347e118e3942d5a1dd49b351ff (patch)
treeb2c20c5d6643a050a088595bc74448ecfa2f86a1 /src
parentd0308aaecd1cb2f1c620a742f2fbaee00cb03c04 (diff)
Implement FreeBSD's dlfunc function to avoid ISO warnings on dlsym - thanks to drizztbsd for find public domain code :)
Diffstat (limited to 'src')
-rw-r--r--src/rc-plugin.c17
-rw-r--r--src/rc-plugin.h11
-rw-r--r--src/runscript.c4
3 files changed, 26 insertions, 6 deletions
diff --git a/src/rc-plugin.c b/src/rc-plugin.c
index 2c8bfff5..66ffeb5c 100644
--- a/src/rc-plugin.c
+++ b/src/rc-plugin.c
@@ -29,6 +29,19 @@ typedef struct plugin
static plugin_t *plugins = NULL;
+#ifndef __FreeBSD__
+dlfunc_t dlfunc (void * __restrict handle, const char * __restrict symbol)
+{
+ union {
+ void *d;
+ dlfunc_t f;
+ } rv;
+
+ rv.d = dlsym (handle, symbol);
+ return (rv.f);
+}
+#endif
+
void rc_plugin_load (void)
{
char **files;
@@ -62,11 +75,7 @@ void rc_plugin_load (void)
func = rc_xmalloc (sizeof (char *) * len);
snprintf (func, len, "_%s_hook", file);
-#ifdef __FreeBSD__
fptr = (int (*)(rc_hook_t, const char*)) dlfunc (h, func);
-#else
- fptr = (int (*)(rc_hook_t, const char*)) dlsym (h, func);
-#endif
if (! fptr) {
eerror ("`%s' does not expose the symbol `%s'", p, func);
dlclose (h);
diff --git a/src/rc-plugin.h b/src/rc-plugin.h
index b4391ad0..15d46213 100644
--- a/src/rc-plugin.h
+++ b/src/rc-plugin.h
@@ -12,4 +12,15 @@ void rc_plugin_load ();
void rc_plugin_unload ();
void rc_plugin_run (rc_hook_t, const char *value);
+/* dlfunc defines needed to avoid ISO errors. FreeBSD has this right :) */
+#ifndef __FreeBSD__
+struct __dlfunc_arg {
+ int __dlfunc_dummy;
+};
+
+typedef void (*dlfunc_t) (struct __dlfunc_arg);
+
+dlfunc_t dlfunc (void * __restrict handle, const char * __restrict symbol);
+#endif
+
#endif
diff --git a/src/runscript.c b/src/runscript.c
index ecbe34cc..82484f13 100644
--- a/src/runscript.c
+++ b/src/runscript.c
@@ -80,8 +80,8 @@ static void setup_selinux (int argc, char **argv)
* which sucks ass
* http://www.opengroup.org/onlinepubs/009695399/functions/dlsym.html
*/
- selinux_run_init_old = (void (*)(void)) dlsym (lib_handle, "selinux_runscript");
- selinux_run_init_new = (void (*)(int, char **)) dlsym (lib_handle, "selinux_runscript2");
+ selinux_run_init_old = (void (*)(void)) dlfunc (lib_handle, "selinux_runscript");
+ selinux_run_init_new = (void (*)(int, char **)) dlfunc (lib_handle, "selinux_runscript2");
/* Use new run_init if it rc_exists, else fall back to old */
if (selinux_run_init_new)