win32: realloc failures

* win32/file.c (code_page_i): handle realloc failure.
  reported by Denis Denisov <denji0k AT gmail.com>.
* win32/stub.c (stub_sysinit): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49023 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 1 deletions

diff --git a/win32/stub.c b/win32/stub.c
index fc82d73e2c..3960024fc2 100644
--- a/win32/stub.c
+++ b/win32/stub.c
@@ -21,7 +21,12 @@ stub_sysinit(int *argc, char ***argv)
     for (i = 1; i < ac; ++i) {
 	lenall += strlen(av[i]) + 1;
     }
-    *argv = av = realloc(av, lenall + (lenexe + 1) * 2 + sizeof(char *) * (i + 2));
+    av = realloc(av, lenall + (lenexe + 1) * 2 + sizeof(char *) * (i + 2));
+    if (!av) {
+	perror("realloc command line");
+	exit(-1);
+    }
+    *argv = av;
     *argc = ++ac;
     p = (char *)(av + i + 2);
     memmove(p + (lenexe + 1) * 2, (char *)(av + ac) + len0, lenall);