From: David Carlier <devnexen@gmail.com>
Date: Tue, 17 Aug 2021 07:44:25 +0000 (+0100)
Subject: BUILD: tools: get the absolute path of the current binary on NetBSD.
X-Git-Tag: v2.5-dev4~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd2ccedcc51d622598644179788d7dca37e8f6d3;p=thirdparty%2Fhaproxy.git

BUILD: tools: get the absolute path of the current binary on NetBSD.

NetBSD stores the absolute path into the auxiliary vector as well.
---

diff --git a/src/tools.c b/src/tools.c
index bd6bf4edc0..545fd9e8dc 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -16,6 +16,11 @@
 #include <link.h>
 #endif
 
+#if defined(__NetBSD__)
+#include <sys/exec_elf.h>
+#include <dlfcn.h>
+#endif
+
 #include <ctype.h>
 #include <errno.h>
 #include <netdb.h>
@@ -4761,6 +4766,14 @@ const char *get_exec_path()
 
 	if (execfn && execfn != ENOENT)
 		ret = (const char *)execfn;
+#elif defined(__NetBSD__)
+	AuxInfo *auxv;
+	for (auxv = _dlauxinfo(); auxv->a_type != AT_NULL; ++auxv) {
+		if (auxv->a_type == AT_SUN_EXECNAME) {
+			ret = (const char *)auxv->a_v;
+			break;
+		}
+	}
 #endif
 	return ret;
 }