[incubator-nuttx] branch master updated: lib_libvsprintf.c: Implement "t" modifier for printf

[xiaoxiang]

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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new f307d99  lib_libvsprintf.c: Implement "t" modifier for printf
f307d99 is described below

commit f307d999e66a2fd3e8da4e647ad7b94021301431
Author: YAMAMOTO Takashi <yamam...@midokura.com>
AuthorDate: Tue Nov 10 15:31:01 2020 +0900

    lib_libvsprintf.c: Implement "t" modifier for printf
    
    Introduced by C99 for ptrdiff_t.
---
 libs/libc/stdio/lib_libvsprintf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libs/libc/stdio/lib_libvsprintf.c 
b/libs/libc/stdio/lib_libvsprintf.c
index 6f38a0d..7f147cf 100644
--- a/libs/libc/stdio/lib_libvsprintf.c
+++ b/libs/libc/stdio/lib_libvsprintf.c
@@ -375,7 +375,9 @@ static int vsprintf_internal(FAR struct lib_outstream_s 
*stream,
                 }
             }
 
-          if (c == 'z')
+          /* Note: On Nuttx, ptrdiff_t == intptr_t == ssize_t. */
+
+          if (c == 'z' || c == 't')
             {
               switch (sizeof(size_t))
                 {