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-rw-r--r--external/bsd/libarchive/dist/libarchive/archive_read_support_format_mtree.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/external/bsd/libarchive/dist/libarchive/archive_read_support_format_mtree.c b/external/bsd/libarchive/dist/libarchive/archive_read_support_format_mtree.c
index a7331a2672c..ccad8f32c98 100644
--- a/external/bsd/libarchive/dist/libarchive/archive_read_support_format_mtree.c
+++ b/external/bsd/libarchive/dist/libarchive/archive_read_support_format_mtree.c
@@ -1051,7 +1051,7 @@ read_mtree(struct archive_read *a, struct mtree *mtree)
continue;
/* Non-printable characters are not allowed */
for (s = p;s < p + len - 1; s++) {
- if (!isprint(*s)) {
+ if (!isprint((unsigned char)*s)) {
r = ARCHIVE_FATAL;
break;
}