helpers.c: New function, printv()

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

src/exec.c

@@ -153,7 +153,6 @@ int run_interactive(char *cmd, char *fmt, ...)
 {
 	int status, oldout = 1, olderr = 2;
 	char line[LINE_SIZE];
-	va_list ap;
 	FILE *fp;
 
 	if (!cmd) {
@@ -162,11 +161,11 @@ int run_interactive(char *cmd, char *fmt, ...)
 	}
 
 	if (fmt) {
-		va_start(ap, fmt);
-		vsnprintf(line, sizeof(line), fmt, ap);
-		va_end(ap);
+		va_list ap;
 
-		print_desc("", line);
+		va_start(ap, fmt);
+		printv(fmt, ap);
+		va_end(ap);
 	}
 
 	/* Redirect output from cmd to a tempfile */

src/helpers.c

@@ -77,31 +77,39 @@ static int print_timestamp(void)
 	return 0;
 }
 
-void print(int action, const char *fmt, ...)
+void printv(const char *fmt, va_list ap)
 {
 	char buf[80];
 	size_t len;
+	const char dots[] = " .....................................................................";
+
+	if (!fmt || log_is_silent())
+		return;
+
+	len = vsnprintf(buf, sizeof(buf), fmt, ap);
+	delline();
+	print_timestamp();
+
+	write(STDERR_FILENO, "\r", 1);
+	write(STDERR_FILENO, buf, len);
+	write(STDERR_FILENO, dots, 60 - len); /* pad with dots. */
+}
+
+void print(int action, const char *fmt, ...)
+{
 	va_list ap;
 	const char success[] = " \e[1m[ OK ]\e[0m\n";
 	const char failure[] = " \e[7m[FAIL]\e[0m\n";
 	const char warning[] = " \e[7m[WARN]\e[0m\n";
 	const char pending[] = " \e[1m[ \\/ ]\e[0m\n";
-	const char dots[] = " .....................................................................";
 
 	if (log_is_silent())
 		return;
 
 	if (fmt) {
 		va_start(ap, fmt);
-		len = vsnprintf(buf, sizeof(buf), fmt, ap);
+		printv(fmt, ap);
 		va_end(ap);
-
-		delline();
-		print_timestamp();
-
-		write(STDERR_FILENO, "\r", 1);
-		write(STDERR_FILENO, buf, len);
-		write(STDERR_FILENO, dots, 60 - len); /* pad with dots. */
 	}
 
 	switch (action) {

src/helpers.h

@@ -50,6 +50,7 @@ char   *strip_line      (char *line);
 int     pid_alive       (pid_t pid);
 char   *pid_get_name    (pid_t pid, char *name, size_t len);
 
+void    printv          (const char *fmt, va_list ap);
 void    print           (int action, const char *fmt, ...);
 void    print_desc      (char *action, char *desc);
 int     print_result    (int fail);