mirror/guile
mirror/guile
1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-06-18 17:50:29 +02:00
Code Activity

* srfi-4.c (take_uvec): New.

Browse source 
(alloc_uvec): Use it.
* srfi-4.h, srfi-4.i.c (scm_take_u8vector, etc): New.
This commit is contained in:
Marius Vollmer 2004-10-27 19:25:14 +00:00
parent 2a7bd73833
commit faa0036593
3 changed files with 30 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

15
libguile/srfi-4.c
View file

@ -217,13 +217,19 @@ uvec_assert (int type, SCM obj)
scm_wrong_type_arg_msg (NULL, 0, obj, uvec_names[type]);
}
static SCM
take_uvec (int type, const void *base, size_t len)
{
SCM_RETURN_NEWSMOB3 (scm_tc16_uvec, type, len, (scm_t_bits) base);
}
/* Create a new, uninitialized homogeneous numeric vector of type TYPE
with space for LEN elements. */
static SCM
alloc_uvec (int type, size_t c_len)
alloc_uvec (int type, size_t len)
{
void *base = scm_gc_malloc (c_len * uvec_sizes[type], uvec_names[type]);
SCM_RETURN_NEWSMOB3 (scm_tc16_uvec, type, c_len, (scm_t_bits) base);
void *base = scm_gc_malloc (len * uvec_sizes[type], uvec_names[type]);
return take_uvec (type, base, len);
}
/* GCC doesn't seem to want to optimize unused switch clauses away,
@ -573,6 +579,9 @@ scm_uniform_vector_release (SCM uvec)
/* Nothing to do right now, but this function might come in handy
when uniform vectors need to be locked when giving away a pointer
to their elements.
Also, a call to scm_uniform_vector acts like
scm_remember_upto_here, which is needed in any case.
*/
}