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-rw-r--r--src/basic/log.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/basic/log.c b/src/basic/log.c
index 1470611..7a44300 100644
--- a/src/basic/log.c
+++ b/src/basic/log.c
@@ -427,6 +427,8 @@ static int write_to_console(
const char *func,
const char *buffer) {
+ static int dumb = -1;
+
char location[256],
header_time[FORMAT_TIMESTAMP_MAX],
prefix[1 + DECIMAL_STR_MAX(int) + 2],
@@ -438,6 +440,9 @@ static int write_to_console(
if (console_fd < 0)
return 0;
+ if (dumb < 0)
+ dumb = getenv_terminal_is_dumb();
+
if (log_target == LOG_TARGET_CONSOLE_PREFIXED) {
xsprintf(prefix, "<%i>", level);
iovec[n++] = IOVEC_MAKE_STRING(prefix);
@@ -481,8 +486,9 @@ static int write_to_console(
/* When writing to a TTY we output an extra '\r' (i.e. CR) first, to generate CRNL rather than just
* NL. This is a robustness thing in case the TTY is currently in raw mode (specifically: has the
* ONLCR flag off). We want that subsequent output definitely starts at the beginning of the line
- * again, after all. If the TTY is not in raw mode the extra CR should not hurt. */
- iovec[n++] = IOVEC_MAKE_STRING(check_console_fd_is_tty() ? "\r\n" : "\n");
+ * again, after all. If the TTY is not in raw mode the extra CR should not hurt. If we're writing to
+ * a dumb terminal, only write NL as CRNL might be interpreted as a double newline. */
+ iovec[n++] = IOVEC_MAKE_STRING(check_console_fd_is_tty() && !dumb ? "\r\n" : "\n");
if (writev(console_fd, iovec, n) < 0) {