On 16 December 2014 at 08:18, Chad Versace <[email protected]> wrote: > This is useful for making a writable copy of a read-only attribute list. > > Signed-off-by: Chad Versace <[email protected]> > --- > src/waffle/core/wcore_attrib_list.c | 19 +++++++++++++++++++ > src/waffle/core/wcore_attrib_list.h | 3 +++ > 2 files changed, 22 insertions(+) > > diff --git a/src/waffle/core/wcore_attrib_list.c > b/src/waffle/core/wcore_attrib_list.c > index a7f087d..94013b9 100644 > --- a/src/waffle/core/wcore_attrib_list.c > +++ b/src/waffle/core/wcore_attrib_list.c > @@ -28,6 +28,7 @@ > #include <stdbool.h> > #include <stdint.h> > #include <stddef.h> > +#include <string.h> > > size_t > wcore_attrib_list_length(const intptr_t attrib_list[]) > @@ -43,6 +44,24 @@ wcore_attrib_list_length(const intptr_t attrib_list[]) > return (i - attrib_list) / 2; > } > > +intptr_t* > +wcore_attrib_list_copy(const intptr_t attrib_list[]) > +{ > + intptr_t *copy; > + > + if (attrib_list) { > + size_t length = wcore_attrib_list_length(attrib_list); > + intptr_t size = (2 * length + 1) * sizeof(intptr_t); > + copy = malloc(size); > + memcpy(copy, attrib_list, size); > + } else { > + copy = malloc(sizeof(intptr_t)); > + copy[0] = 0; > + } We might want to add error checking after the malloc - to silence static analysers at the very least :-)
-Emil _______________________________________________ waffle mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/waffle
