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win32: optimize mp_vfprintf a little

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- remove redundant strlen/wcslen
- reuse allocated temporary buffers

The difference is not big, but it satisfies me to remove those
redundancies.
This commit is contained in:
Kacper Michajłow
2024-03-17 12:56:58 +01:00
parent 2ee0db4c5d
commit 3372e17d51
5 changed files with 37 additions and 24 deletions
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18
osdep/io.c
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@@ -307,8 +307,6 @@ static int mp_vfprintf(FILE *stream, const char *format, va_list args)
static int mp_vfprintf(FILE *stream, const char *format, va_list args)
{
int done = 0;
HANDLE wstream = INVALID_HANDLE_VALUE;
if (stream == stdout || stream == stderr) {
@@ -316,20 +314,10 @@ static int mp_vfprintf(FILE *stream, const char *format, va_list args)
STD_OUTPUT_HANDLE : STD_ERROR_HANDLE);
}
if (mp_check_console(wstream)) {
size_t len = vsnprintf(NULL, 0, format, args) + 1;
char *buf = talloc_array(NULL, char, len);
if (mp_check_console(wstream))
return mp_write_console_ansi(wstream, format, args);
if (buf) {
done = vsnprintf(buf, len, format, args);
mp_write_console_ansi(wstream, buf);
}
talloc_free(buf);
} else {
done = vfprintf(stream, format, args);
}
return done;
return vfprintf(stream, format, args);
}
#endif