BUILD: sock_unix: fix build issue with isdigit()
Commit 0d06df6 ("MINOR: sock: introduce sock_inet and sock_unix")
made use of isdigit() on the UNIX socket path without casting the
value to unsigned char, breaking the build on cygwin and possibly
other platforms. No backport is needed.
diff --git a/src/sock_unix.c b/src/sock_unix.c
index c4314d2..f68c007 100644
--- a/src/sock_unix.c
+++ b/src/sock_unix.c
@@ -80,7 +80,7 @@
/* First, check in path "a" */
if (au->sun_path[idx] != 0) {
- for (idx2 = dot + 1; idx2 && isdigit(au->sun_path[idx2]);)
+ for (idx2 = dot + 1; idx2 && isdigit((unsigned char)au->sun_path[idx2]);)
idx2++;
if (strcmp(au->sun_path + idx2, ".tmp") != 0)
return -1;
@@ -88,7 +88,7 @@
/* Then check in path "b" */
if (bu->sun_path[idx] != 0) {
- for (idx2 = dot + 1; idx2 && isdigit(bu->sun_path[idx2]); idx2++)
+ for (idx2 = dot + 1; idx2 && isdigit((unsigned char)bu->sun_path[idx2]); idx2++)
;
if (strcmp(bu->sun_path + idx2, ".tmp") != 0)
return -1;