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log: Factorize check_color_terminal() out

This commit is contained in:
Luca Barbato 2013-04-26 15:12:05 +02:00 committed by Michael Niedermayer
parent 4169d8f601
commit 061e340c05
1 changed files with 25 additions and 22 deletions
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47
libavutil/log.c
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@ -113,33 +113,36 @@ static const uint32_t color[16 + AV_CLASS_CATEGORY_NB] = {
#endif
static int use_color = -1;
static void check_color_terminal(void)
{
#if HAVE_SETCONSOLETEXTATTRIBUTE
CONSOLE_SCREEN_BUFFER_INFO con_info;
con = GetStdHandle(STD_ERROR_HANDLE);
use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR") &&
!getenv("AV_LOG_FORCE_NOCOLOR");
if (use_color) {
GetConsoleScreenBufferInfo(con, &con_info);
attr_orig = con_info.wAttributes;
background = attr_orig & 0xF0;
}
#elif HAVE_ISATTY
use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") &&
(getenv("TERM") && isatty(2) || getenv("AV_LOG_FORCE_COLOR"));
if (getenv("AV_LOG_FORCE_256COLOR"))
use_color *= 256;
#else
use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") &&
!getenv("AV_LOG_FORCE_NOCOLOR");
#endif
}
static void colored_fputs(int level, const char *str)
{
if (!*str)
return;
if (use_color < 0) {
#if HAVE_SETCONSOLETEXTATTRIBUTE
CONSOLE_SCREEN_BUFFER_INFO con_info;
con = GetStdHandle(STD_ERROR_HANDLE);
use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR") &&
!getenv("AV_LOG_FORCE_NOCOLOR");
if (use_color) {
GetConsoleScreenBufferInfo(con, &con_info);
attr_orig = con_info.wAttributes;
background = attr_orig & 0xF0;
}
#elif HAVE_ISATTY
use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") &&
(getenv("TERM") && isatty(2) ||
getenv("AV_LOG_FORCE_COLOR"));
if (getenv("AV_LOG_FORCE_256COLOR"))
use_color *= 256;
#else
use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") &&
!getenv("AV_LOG_FORCE_NOCOLOR");
#endif
}
if (use_color < 0)
check_color_terminal();
#if HAVE_SETCONSOLETEXTATTRIBUTE
if (use_color && level != AV_LOG_INFO/8)