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basic/log: use colors to highlight messages like journalctl

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2019-05-08 09:45:38 +02:00
parent e608bf6f7f
commit 37b8d2f699
4 changed files with 42 additions and 21 deletions
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src/basic/log.c
+7 -6
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@@ -336,7 +336,7 @@ static int write_to_console(
char location[256], prefix[1 + DECIMAL_STR_MAX(int) + 2];
struct iovec iovec[6] = {};
bool highlight;
const char *on = NULL, *off = NULL;
size_t n = 0;
if (console_fd < 0)
@@ -347,18 +347,19 @@ static int write_to_console(
iovec[n++] = IOVEC_MAKE_STRING(prefix);
}
highlight = LOG_PRI(level) <= LOG_ERR && show_color;
if (show_color)
get_log_colors(LOG_PRI(level), &on, &off, NULL);
if (show_location) {
(void) snprintf(location, sizeof location, "(%s:%i) ", file, line);
iovec[n++] = IOVEC_MAKE_STRING(location);
}
if (highlight)
iovec[n++] = IOVEC_MAKE_STRING(ANSI_HIGHLIGHT_RED);
if (on)
iovec[n++] = IOVEC_MAKE_STRING(on);
iovec[n++] = IOVEC_MAKE_STRING(buffer);
if (highlight)
iovec[n++] = IOVEC_MAKE_STRING(ANSI_NORMAL);
if (off)
iovec[n++] = IOVEC_MAKE_STRING(off);
iovec[n++] = IOVEC_MAKE_STRING("\n");
if (writev(console_fd, iovec, n) < 0) {