fix off-by-one error that caused uninitialized memory read in floatscan

[musl] / src / string / memccpy.c

diff --git a/src/string/memccpy.c b/src/string/memccpy.c
index 4a875cf..2ccb31b 100644 (file)
--- a/src/string/memccpy.c
+++ b/src/string/memccpy.c
@@ -22,7 +22,7 @@ void *memccpy(void *dest, const void *src, int c, size_t n)
                k = ONES * c;
                wd=(void *)d; ws=(const void *)s;
                for (; n>=sizeof(size_t) && !HASZERO(*ws^k);
-                      n-=sizeof(size_t), ws++, *wd++) *wd = *ws;
+                      n-=sizeof(size_t), ws++, wd++) *wd = *ws;
                d=(void *)wd; s=(const void *)ws;
        }
        for (; n && (*d=*s)!=c; n--, s++, d++);