Hi Alexey,
On Wed, Jun 1, 2016 at 10:56 AM, Alexey Brodkin
<alexey.brod...@synopsys.com> wrote:
> We are discussing one issue with "util-linux" package building.
> The problem is in "util-linux" wants to use alloc modifier (either "%as"
> or "%ms") in scanf().
>
> Looks like uClibc still doesn't support neither "%ms" nor "%as" (this one
> is obsolete glibc-specific so let's not bother with it anyways).
a while ago I touched %m support for %c and %[...] in uclibc
(b2d27c71bd13820a4263fa7ebda4c1a4a95b501c),
I've got an impression that %ms was working. I've expanded
test/stdio/scanf_m.c a bit (attached) and it appears to work.
So I'm curious, how the issue manifests itself.
--
Thanks.
-- Max
From a018296d1908ad02f942cab0559a24ed3dd261e8 Mon Sep 17 00:00:00 2001
From: Max Filippov <jcmvb...@gmail.com>
Date: Thu, 2 Jun 2016 18:24:28 +0300
Subject: [PATCH] tests: add %ms scanf format test
Signed-off-by: Max Filippov <jcmvb...@gmail.com>
---
test/stdio/scanf_m.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/test/stdio/scanf_m.c b/test/stdio/scanf_m.c
index 0ce78b6..e1dde27 100644
--- a/test/stdio/scanf_m.c
+++ b/test/stdio/scanf_m.c
@@ -5,20 +5,23 @@
int main(void)
{
const char *buf = "hello world";
- char *ps = NULL, *pc = NULL;
- char s[6], c;
+ char *ps = NULL, *pc = NULL, *ps2 = NULL;
+ char s[6], c, s2[5];
- /* Check that %[...]/%c work. */
- sscanf(buf, "%[a-z] %c", s, &c);
- /* Check that %m[...]/%mc work. */
- sscanf(buf, "%m[a-z] %mc", &ps, &pc);
+ /* Check that %[...]/%c/%s work. */
+ sscanf(buf, "%[a-z] %c %s", s, &c, s2);
+ /* Check that %m[...]/%mc/%ms work. */
+ sscanf(buf, "%m[a-z] %mc %ms", &ps, &pc, &ps2);
if (strcmp(ps, "hello") != 0 || *pc != 'w' ||
- strcmp(s, "hello") != 0 || c != 'w')
+ strcmp(ps2, "orld") != 0 ||
+ strcmp(s, "hello") != 0 || c != 'w' ||
+ strcmp(s2, "orld") != 0)
return 1;
free(ps);
free(pc);
+ free(ps2);
return 0;
}
--
2.1.4
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