casting bug in VMS part of Perl_start_glob

From: "Craig A. Berry" <craigberry@mac.com>
Message-ID: <3FD22398.1060506@mac.com>

p4raw-id: //depot/perl@21858

diff --git a/doio.c b/doio.c
index 5ba40b9..af4d17d 100644 (file)
--- a/doio.c
+++ b/doio.c
@@ -2290,8 +2290,9 @@ Perl_start_glob (pTHX_ SV *tmpglob, IO *io)
                if (*cp == '?') *cp = '%';  /* VMS style single-char wildcard */
            while (ok && ((sts = lib$find_file(&wilddsc,&rsdsc,&cxt,
                                               &dfltdsc,NULL,NULL,NULL))&1)) {
-               end = rstr + (unsigned long int) *rslt;
-               if (!hasver) while (*end != ';') end--;
+               /* with varying string, 1st word of buffer contains result length */
+               end = rstr + *((unsigned short int*)rslt);
+               if (!hasver) while (*end != ';' && end > rstr) end--;
                *(end++) = '\n';  *end = '\0';
                for (cp = rstr; *cp; cp++) *cp = _tolower(*cp);
                if (hasdir) {