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authorTheo de Raadt <deraadt@cvs.openbsd.org>2004-09-24 21:41:15 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>2004-09-24 21:41:15 +0000
commitdeba6acf63025e7134736825e837b012fcf602b8 (patch)
tree9b3a052751eed5b55df6f744cf3bdd49f84b76a9
parent00cc1bc128f4769fed1a6f21b1d1bda334b7691f (diff)
explain why mmap; pointed out by claus, pr 3932
-rw-r--r--lib/libc/stdio/vfprintf.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c
index 600f8bc34f6..576fe20e1ea 100644
--- a/lib/libc/stdio/vfprintf.c
+++ b/lib/libc/stdio/vfprintf.c
@@ -31,7 +31,7 @@
*/
#if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: vfprintf.c,v 1.23 2004/09/18 19:28:06 otto Exp $";
+static char *rcsid = "$OpenBSD: vfprintf.c,v 1.24 2004/09/24 21:41:14 deraadt Exp $";
#endif /* LIBC_SCCS and not lint */
/*
@@ -812,7 +812,9 @@ error:
* Find all arguments when a positional parameter is encountered. Returns a
* table, indexed by argument number, of pointers to each arguments. The
* initial argument table should be an array of STATIC_ARG_TBL_SIZE entries.
- * It will be replaces with a malloc-ed on if it overflows.
+ * It will be replaces with a mmap-ed one if it overflows (malloc cannot be
+ * used since we are attempting to make snprintf thread safe, and alloca is
+ * problematic since we have nested functions..)
*/
static void
__find_arguments(fmt0, ap, argtable, argtablesiz)