buildroot

Do not call posix_fallocate() on uClibc

​

uClibc does not implement posix_fallocate(), and posix_fallocate() is

mostly only an hint to the kernel that we will need such or such

amount of space inside a file. So we just don't call posix_fallocate()

when building against uClibc.

​

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

[Peter: add #include <features.h>

---

 formats/ctf/ctf.c |    3 +++

 1 file changed, 3 insertions(+)

​

Index: lttng-babeltrace-0.8/formats/ctf/ctf.c

===================================================================

--- lttng-babeltrace-0.8.orig/formats/ctf/ctf.c

+++ lttng-babeltrace-0.8/formats/ctf/ctf.c

@@ -32,6 +32,7 @@

 #include <sys/stat.h>

 #include <fcntl.h>

 #include <dirent.h>

+#include <features.h>

 #include <glib.h>

 #include <unistd.h>

 #include <stdlib.h>

@@ -384,9 +385,11 @@

        }

        pos->content_size = -1U;    /* Unknown at this point */

        pos->packet_size = WRITE_PACKET_LEN;

+#ifndef __UCLIBC__

        off = posix_fallocate(pos->fd, pos->mmap_offset,

                      pos->packet_size / CHAR_BIT);

        assert(off >= 0);

+#endif

        pos->offset = 0;

    } else {

    read_next_packet: