Fix: remove for() loop initial declarations

Breaks sles12sp2 builds:

08:51:35 lttng-ust-fd-tracker.c: In function 'dup_std_fd':
08:51:35 lttng-ust-fd-tracker.c:174:2: error: 'for' loop initial
declarations are only allowed in C99 mode
08:51:35   for (int i = 0; i < STDERR_FILENO + 1; i++) {
08:51:35   ^
08:51:35 lttng-ust-fd-tracker.c:174:2: note: use option -std=c99 or
-std=gnu99 to compile your code
08:51:35 lttng-ust-fd-tracker.c:195:11: error: redefinition of 'i'
08:51:35   for (int i = 0; i < fd_to_close_count; i++) {
08:51:35            ^
08:51:35 lttng-ust-fd-tracker.c:174:11: note: previous definition of 'i'
was here
08:51:35   for (int i = 0; i < STDERR_FILENO + 1; i++) {
08:51:35            ^
08:51:35 lttng-ust-fd-tracker.c:195:2: error: 'for' loop initial
declarations are only allowed in C99 mode
08:51:35   for (int i = 0; i < fd_to_close_count; i++) {
08:51:35   ^
08:51:35 Makefile:412: recipe for target 'lttng-ust-fd-tracker.lo'
failed
08:51:35 make[2]: *** [lttng-ust-fd-tracker.lo] Error 1
08:51:35 make[2]: *** Waiting for unfinished jobs....

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/liblttng-ust-comm/lttng-ust-fd-tracker.c b/liblttng-ust-comm/lttng-ust-fd-tracker.c
index 329339f98a038736fe528bc856bdeff1737b4c2b..1bc186bf08453f870001446ebf17dbb0e2ab2054 100644 (file)
--- a/liblttng-ust-comm/lttng-ust-fd-tracker.c
+++ b/liblttng-ust-comm/lttng-ust-fd-tracker.c
@@ -146,7 +146,7 @@ void lttng_ust_unlock_fd_tracker(void)
 
 static int dup_std_fd(int fd)
 {
-       int ret;
+       int ret, i;
        int fd_to_close[STDERR_FILENO + 1];
        int fd_to_close_count = 0;
        int dup_cmd = F_DUPFD; /* Default command */
@@ -171,7 +171,7 @@ static int dup_std_fd(int fd)
        }
 
        /* Perform dup */
-       for (int i = 0; i < STDERR_FILENO + 1; i++) {
+       for (i = 0; i < STDERR_FILENO + 1; i++) {
                ret = fcntl(fd, dup_cmd, 0);
                if (ret < 0) {
                        PERROR("fcntl dup fd");
@@ -192,7 +192,7 @@ static int dup_std_fd(int fd)
        }
 
        /* Close intermediary fds */
-       for (int i = 0; i < fd_to_close_count; i++) {
+       for (i = 0; i < fd_to_close_count; i++) {
                ret = close(fd_to_close[i]);
                if (ret) {
                        PERROR("close on temporary fd: %d.", fd_to_close[i]);