From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 20 Oct 2020 16:45:11 +0000 (+0200)
Subject: handle TINYCOMPRESS_PLUGIN_DIR environment variable
X-Git-Tag: v1.2.4~2
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=435a2a09d33b93dc6f72a332a1b44f86527e8836;p=tinycompress.git

handle TINYCOMPRESS_PLUGIN_DIR environment variable

The path specified in environment variable TINYCOMPRESS_PLUGIN_DIR
can be used to modify the build-in path at runtime.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/src/lib/compress.c b/src/lib/compress.c
index f273744..68f1b55 100644
--- a/src/lib/compress.c
+++ b/src/lib/compress.c
@@ -117,11 +117,16 @@ static int populate_compress_plugin_ops(struct compress *compress, const char *n
 	char lib_name[128];
 	void *dl_hdl;
 	const char *err = NULL;
+	const char *s;
 
 	token = strdup(name);
 	compr_name = strtok_r(token, ":", &token_saveptr);
 
-	snprintf(lib_name, sizeof(lib_name), "%slibtinycompress_module_%s.so", TINYCOMPRESS_PLUGIN_DIR, compr_name);
+	s = getenv("TINYCOMPRESS_PLUGIN_DIR");
+	if (s == NULL)
+		s = TINYCOMPRESS_PLUGIN_DIR;
+
+	snprintf(lib_name, sizeof(lib_name), "%slibtinycompress_module_%s.so", s, compr_name);
 
 	free(token);
 	dl_hdl = dlopen(lib_name, RTLD_NOW);