From c5a891a29d1d4f946181f6699bcf7f6fe35b43e6 Mon Sep 17 00:00:00 2001
From: Peter Stephenson <p.stephenson@samsung.com>
Date: Tue, 12 Apr 2022 14:10:08 +0100
Subject: 50049: care with signed characters

Some signed-to-unsigned casts needed for a couple of cases of pointers
used as indices.
---
 Src/exec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Src/exec.c')

diff --git a/Src/exec.c b/Src/exec.c
index 27d49e005..47753da48 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -561,7 +561,7 @@ zexecve(char *pth, char **argv, char **newenvp)
                         isbinary = 1;
                         hasletter = 0;
                         for (ptr = execvebuf; ptr < ptr2; ptr++) {
-                            if (islower(*ptr) || *ptr == '$' || *ptr == '`')
+                            if (islower(STOUC(*ptr)) || *ptr == '$' || *ptr == '`')
                                 hasletter = 1;
                             if (hasletter && *ptr == '\n') {
                                 isbinary = 0;
-- 
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