Mercurial > cpython-lru_cache-weakref

diff Modules/structmodule.c @ 4867:e3f2ab0b0aa1 legacy-trunk

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Fill pad bytes with zeros (fixing a bug dating from the very first version!).
author Guido van Rossum <guido@python.org>
date Fri, 03 Jan 1997 15:40:33 +0000
parents f5073e24147c
children 03bcdd22f6a4
line wrap: on
line diff
--- a/Modules/structmodule.c	Fri Jan 03 04:20:09 1997 +0000
+++ b/Modules/structmodule.c	Fri Jan 03 15:40:33 1997 +0000
@@ -1148,7 +1148,7 @@
 	char *fmt;
 	int size, num;
 	int i, n;
-	char *s, *res, *restart;
+	char *s, *res, *restart, *nres;
 	char c;
 
 	if (args == NULL || !PyTuple_Check(args) ||
@@ -1186,7 +1186,10 @@
 		e = getentry(c, f);
 		if (e == NULL)
 			goto fail;
-		res = restart + align((int)(res-restart), c, e);
+		nres = restart + align((int)(res-restart), c, e);
+		/* Fill padd bytes with zeros */
+		while (res < nres)
+			*res++ = '\0';
 		if (num == 0 && c != 's')
 			continue;
 		do {