![Jiri Olsa](/assets/img/avatar_default.png)
To zero all the xyarray contents. It will be used in following patches. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1434269985-521-2-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
29 lines
513 B
C
29 lines
513 B
C
#include "xyarray.h"
|
|
#include "util.h"
|
|
|
|
struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size)
|
|
{
|
|
size_t row_size = ylen * entry_size;
|
|
struct xyarray *xy = zalloc(sizeof(*xy) + xlen * row_size);
|
|
|
|
if (xy != NULL) {
|
|
xy->entry_size = entry_size;
|
|
xy->row_size = row_size;
|
|
xy->entries = xlen * ylen;
|
|
}
|
|
|
|
return xy;
|
|
}
|
|
|
|
void xyarray__reset(struct xyarray *xy)
|
|
{
|
|
size_t n = xy->entries * xy->entry_size;
|
|
|
|
memset(xy->contents, 0, n);
|
|
}
|
|
|
|
void xyarray__delete(struct xyarray *xy)
|
|
{
|
|
free(xy);
|
|
}
|