tools lib traceevent: Provide le16toh define for older systems

Where such macro is not present, so just copy its definition from
glibc's endian.h and define it if not already.

Cc: Adrian Hunter <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Don Zickus <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Steven Rostedt <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-05-14 12:28:11 -03:00
commit b390d85060

View file

@ -4,6 +4,19 @@
#include <endian.h>
#include "event-parse.h"
/*
* From glibc endian.h, for older systems where it is not present, e.g.: RHEL5,
* Fedora6.
*/
#ifndef le16toh
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define le16toh(x) (x)
# else
# define le16toh(x) __bswap_16 (x)
# endif
#endif
static unsigned long long
process___le16_to_cpup(struct trace_seq *s, unsigned long long *args)
{