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.
diff --git a/Modules/main.c b/Modules/main.c
index 1005b94..d511e59 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -359,6 +359,14 @@
}
}
}
+ {
+ /* XXX: does this work on Win/Win64? (see posix_fstat) */
+ struct stat sb;
+ if (fstat(fileno(fp), &sb) == 0 &&
+ S_ISDIR(sb.st_mode)) {
+ fprintf(stderr, "%s: warning '%s' is a directory\n", argv[0], filename);
+ }
+ }
}
}