From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 19 Mar 2022 20:12:20 +0000 (-0700)
Subject: pathcanon: remove unnecessary 'errno' save and restore
X-Git-Tag: 4.0.0~165^2~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b438ebf3964304e9677f4960cf167bc7ff1a58d4;p=graphviz

pathcanon: remove unnecessary 'errno' save and restore

a3db9ad8f8eb79a931f0bc6d087ca3b52de3dd62 removed any logic in this function that
affected `errno`. So there is no need to save and restore it anymore.
---

diff --git a/lib/ast/pathcanon.c b/lib/ast/pathcanon.c
index 01b02d264..2ce6c7210 100644
--- a/lib/ast/pathcanon.c
+++ b/lib/ast/pathcanon.c
@@ -21,7 +21,6 @@
  */
 
 #include <ast/ast.h>
-#include <errno.h>
 #include <ast/error.h>
 
 char *pathcanon(char *path) {
@@ -30,9 +29,7 @@ char *pathcanon(char *path) {
     char *t;
     int dots;
     int loop;
-    int oerrno;
 
-    oerrno = errno;
     dots = loop = 0;
     if (*path == '/' && *(path + 1) == '/')
 	do
@@ -78,7 +75,6 @@ char *pathcanon(char *path) {
 			 && *(t - 1) == '/')
 		    t--;
 		*t = 0;
-		errno = oerrno;
 		return t;
 	    }
 	    dots = 0;