From: Zoltan Varga <vargaz@gmail.com>
Date: Tue, 29 Oct 2019 13:21:23 +0000 (-0400)
Subject: [eglib] Handle dli.dli_sname being NULL in g_module_address (). (mono/mono#17592)
X-Git-Tag: submit/tizen/20210909.063632~10331^2~5^2~274
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b9b2e41dc563e8cf07692fc263258884126db48d;p=platform%2Fupstream%2Fdotnet%2Fruntime.git

[eglib] Handle dli.dli_sname being NULL in g_module_address (). (mono/mono#17592)

Should fix the warnings/assertions in g_strlcpy ().

Commit migrated from https://github.com/mono/mono/commit/b0d966bd7ab887f075f6ce3d1c9858af6b52f30f
---

diff --git a/src/mono/mono/eglib/gmodule-unix.c b/src/mono/mono/eglib/gmodule-unix.c
index 1e1d15f..3f60af2 100644
--- a/src/mono/mono/eglib/gmodule-unix.c
+++ b/src/mono/mono/eglib/gmodule-unix.c
@@ -98,8 +98,12 @@ g_module_address (void *addr, char *file_name, size_t file_name_len,
 		g_strlcpy(file_name, dli.dli_fname, file_name_len);
 	if (file_base != NULL)
 		*file_base = dli.dli_fbase;
-	if (sym_name != NULL && sym_name_len >= 1)
-		g_strlcpy(sym_name, dli.dli_sname, sym_name_len);
+	if (sym_name != NULL && sym_name_len >= 1) {
+		if (dli.dli_sname)
+			g_strlcpy (sym_name, dli.dli_sname, sym_name_len);
+		else
+			sym_name [0] = '\0';
+	}
 	if (sym_addr != NULL)
 		*sym_addr = dli.dli_saddr;
 	return TRUE;