/*
* UCW Library -- Logging to Files
*
- * (c) 1997--2009 Martin Mares <mj@ucw.cz>
+ * (c) 1997--2015 Martin Mares <mj@ucw.cz>
* (c) 2008 Tomas Gavenciak <gavento@ucw.cz>
*
* This software may be freely distributed and used according to the terms
#define MAX_EXPAND 64 // Maximum size of expansion of strftime escapes
static int log_switch_nest;
+static bool log_stderr_replaced;
static void
do_log_reopen(struct file_stream *fs, const char *name)
close(fs->fd);
fs->fd = fd;
if (fs->flags & FF_FD2_FOLLOWS)
- dup2(fd, 2);
+ {
+ dup2(fd, 2);
+ log_stderr_replaced = 1;
+ }
if (fs->ls.name)
{
xfree(fs->ls.name);
struct log_stream *ls = log_new_stream(sizeof(struct file_stream));
struct file_stream *fs = (struct file_stream *) ls;
fs->fd = fd;
+ if (fd == 2)
+ log_stderr_replaced = 1;
fs->flags = flags;
ls->msgfmt = LSFMT_DEFAULT;
ls->handler = file_handler;
log_set_default_stream(log_new_file(name, FF_FD2_FOLLOWS));
}
+void
+log_drop_stderr(void)
+{
+ if (!log_stderr_replaced)
+ {
+ if (dup2(1, 2) < 0)
+ die("Cannot get rid of stderr: %m");
+ log_stderr_replaced = 1;
+ }
+}
+
#ifdef TEST
int main(int argc, char **argv)