Update to musl 1.1.22.

[wasi-libc.git] / libc-top-half / musl / src / network / dn_skipname.c

diff --git a/libc-top-half/musl/src/network/dn_skipname.c b/libc-top-half/musl/src/network/dn_skipname.c
index d54c2e5d04d941937743a0021c106ffd5afc34da..eba65bb82ad277a15662084e570c6fd6046b0f1f 100644 (file)
--- a/libc-top-half/musl/src/network/dn_skipname.c
+++ b/libc-top-half/musl/src/network/dn_skipname.c
@@ -2,11 +2,14 @@
 
 int dn_skipname(const unsigned char *s, const unsigned char *end)
 {
-       const unsigned char *p;
-       for (p=s; p<end; p++)
+       const unsigned char *p = s;
+       while (p < end)
                if (!*p) return p-s+1;
                else if (*p>=192)
                        if (p+1<end) return p-s+2;
                        else break;
+               else
+                       if (end-p<*p+1) break;
+                       else p += *p + 1;
        return -1;
 }