* [PATCH V2 1/1] ungetc: Cast to unsigned char before returning
@ 2019-10-20 4:43 wangjianjian (C)
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From: wangjianjian (C) @ 2019-10-20 4:43 UTC (permalink / raw)
To: musl
Per Posix and ISO-C standard, casting to unsigned char is needed before
returning.
Signed-off-by: Wang Jianjian <wangjianjian3@huawei.com>
---
src/stdio/ungetc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/stdio/ungetc.c b/src/stdio/ungetc.c
index 180673a4..bc629d4c 100644
--- a/src/stdio/ungetc.c
+++ b/src/stdio/ungetc.c
@@ -16,5 +16,5 @@ int ungetc(int c, FILE *f)
f->flags &= ~F_EOF;
FUNLOCK(f);
- return c;
+ return (unsigned char)c;
}
--
2.17.1
BR,
Wang Jianjian
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