On Wed, 2013-09-18 at 16:17 -0500, jprvita at gmail.com wrote:
> From: Jo?o Paulo Rechi Vita <jprvita at openbossa.org>
>
> This new function checks if a certain module name is available in the
> system.
> ---
> src/pulsecore/module.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
> src/pulsecore/module.h | 2 ++
> 2 files changed, 51 insertions(+)
>
> diff --git a/src/pulsecore/module.c b/src/pulsecore/module.c
> index 16582b3..bc53f07 100644
> --- a/src/pulsecore/module.c
> +++ b/src/pulsecore/module.c
> @@ -28,6 +28,7 @@
> #include <stdlib.h>
> #include <string.h>
> #include <errno.h>
> +#include <ltdl.h>
>
> #include <pulse/xmalloc.h>
> #include <pulse/proplist.h>
> @@ -47,6 +48,54 @@
> #define PA_SYMBOL_GET_N_USED "pa__get_n_used"
> #define PA_SYMBOL_GET_DEPRECATE "pa__get_deprecated"
>
> +bool pa_module_exists(const char *name) {
> + const char *paths, *state = NULL;
> + char *p, *pathname;
> + bool result;
> +
> + pa_assert(name);
> +
> + if (name[0] == PA_PATH_SEP_CHAR) {
> + result = access(name, F_OK) == 0 ? true : false;
> + pa_log_debug("Checking for existence of '%s': %s", name, result ? "success" : "failure");
> + if (result)
> + return true;
> + }
> +
> + if (!(paths = lt_dlgetsearchpath()))
> + return false;
> +
> + /* strip .so from the end of name, if present */
> + p = rindex(name, '.');
> + if (p && pa_streq(p, ".so"))
> + p[0] = 0;
This modifies the original string - you shouldn't do that.
--
Tanu
