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libcli/security: Cast isupper() argument to ‘unsigned char’

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Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Joseph Sutton 2023-07-20 13:26:27 +12:00 committed by Andrew Bartlett
parent 60f4d873b7
commit 748cbac2fa
1 changed files with 1 additions and 1 deletions
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2
libcli/security/sddl.c
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@ -555,7 +555,7 @@ static struct security_acl *sddl_decode_acl(struct security_descriptor *sd,
if (acl == NULL) return NULL;
acl->revision = SECURITY_ACL_REVISION_ADS;
if (isupper(sddl[0]) && sddl[1] == ':') {
if (isupper((unsigned char)sddl[0]) && sddl[1] == ':') {
/* its an empty ACL */
return acl;
}