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Kirill Smelkov
wendelin.core
Commits
b721b6fd
Commit
b721b6fd
authored
Oct 23, 2019
by
Kirill Smelkov
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wcfs/internal/wcfs_misc.cpp
wcfs/internal/wcfs_misc.cpp
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wcfs/internal/wcfs_misc.cpp
View file @
b721b6fd
...
...
@@ -72,24 +72,32 @@ error File::_errno(const char *op) {
// fmt::
namespace
fmt
{
string
sprintf
(
const
string
&
format
,
...
)
{
string
_vsprintf
(
const
string
&
format
,
va_list
argp
)
{
// based on https://stackoverflow.com/a/26221725/9456786
va_list
ap
;
va_start
(
ap
,
format
);
size_t
size
=
vsnprintf
(
NULL
,
0
,
format
.
c_str
(),
ap
);
va_end
(
ap
);
va_list
argp2
;
va_copy
(
argp2
,
argp
);
size_t
size
=
vsnprintf
(
NULL
,
0
,
format
.
c_str
(),
argp2
);
va_end
(
argp2
);
std
::
unique_ptr
<
char
[]
>
buf
(
new
char
[
size
]
);
va_start
(
ap
,
format
);
vsnprintf
(
buf
.
get
(),
size
,
format
.
c_str
(),
ap
);
va_end
(
ap
);
vsnprintf
(
buf
.
get
(),
size
,
format
.
c_str
(),
argp
);
return
string
(
buf
.
get
(),
buf
.
get
()
+
size
-
1
);
// without trailing '\0'
}
string
sprintf
(
const
string
&
format
,
...)
{
va_list
argp
;
va_start
(
argp
,
format
);
string
str
=
fmt
::
_vsprintf
(
format
,
argp
);
va_end
(
argp
);
return
str
;
}
error
errorf
(
const
string
&
format
,
...)
{
error
err
;
err
.
err
=
fmt
::
sprintf
(
format
,
...);
// XXX
va_list
argp
;
va_start
(
argp
,
format
);
err
.
err
=
fmt
::
sprintf
(
format
,
argp
);
va_end
(
argp
);
return
err
;
}
...
...
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