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zircon
/
third_party
/
ulib
/
musl
/
src
/
stdio
/
__overflow.c
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#include
"stdio_impl.h"
int
__overflow
(
FILE
*
f
,
int
_c
)
{
unsigned
char
c
=
_c
;
if
(!
f
->
wend
&&
__towrite
(
f
))
return
EOF
;
if
(
f
->
wpos
<
f
->
wend
&&
c
!=
f
->
lbf
)
return
*
f
->
wpos
++
=
c
;
if
(
f
->
write
(
f
,
&
c
,
1
)
!=
1
)
return
EOF
;
return
c
;
}