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authorNeal Norwitz <nnorwitz@gmail.com>2005-10-03 00:54:56 +0000
committerNeal Norwitz <nnorwitz@gmail.com>2005-10-03 00:54:56 +0000
commit3b1de95d5bf833e00a43cd5b0c2b3bdf8e2d6810 (patch)
treef45cdf1f92a7414f3269266d16ccb15d2de91c1e /Python/sysmodule.c
parentd27272caac61bd1ffacd5f9308ddb869d49f7511 (diff)
downloadcpython-3b1de95d5bf833e00a43cd5b0c2b3bdf8e2d6810.tar.gz
SF bug #887946, segfault if redirecting directory
Also provide a warning if a directory is passed on the command line. Add minimal command line test. Will backport.
Diffstat (limited to 'Python/sysmodule.c')
-rw-r--r--Python/sysmodule.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 5a8c7af98a..0775bb83c6 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -947,6 +947,15 @@ _PySys_Init(void)
m = Py_InitModule3("sys", sys_methods, sys_doc);
sysdict = PyModule_GetDict(m);
+ {
+ /* XXX: does this work on Win/Win64? (see posix_fstat) */
+ struct stat sb;
+ if (fstat(fileno(stdin), &sb) == 0 &&
+ S_ISDIR(sb.st_mode)) {
+ Py_FatalError("<stdin> is a directory");
+ }
+ }
+
/* Closing the standard FILE* if sys.std* goes aways causes problems
* for embedded Python usages. Closing them when somebody explicitly
* invokes .close() might be possible, but the FAQ promises they get