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-rw-r--r--externals/build/src/prepend.c356
1 files changed, 0 insertions, 356 deletions
diff --git a/externals/build/src/prepend.c b/externals/build/src/prepend.c
deleted file mode 100644
index 428c5c51..00000000
--- a/externals/build/src/prepend.c
+++ /dev/null
@@ -1,356 +0,0 @@
-/* Copyright (c) 2002-2003 krzYszcz and others.
- * For information on usage and redistribution, and for a DISCLAIMER OF ALL
- * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
-
-#include <string.h>
-#include "m_pd.h"
-
-#define PREPEND_INISIZE 32 /* LATER rethink */
-#define PREPEND_MAXSIZE 256
-
-typedef struct _prepend
-{
- t_object x_ob;
- t_symbol *x_selector;
- int x_size; /* as allocated */
- int x_natoms; /* as used */
- t_atom *x_message;
- t_atom x_messini[PREPEND_INISIZE];
- int x_entered;
- int x_auxsize;
- t_atom *x_auxbuf;
-} t_prepend;
-
-static t_class *prepend_class;
-
-void *grow_nodata(int *nrequested, int *sizep, void *bufp,
- int inisize, void *bufini, size_t typesize);
-
-void *grow_withtail(int *nrequested, int *nexisting, char **startp,
- int *sizep, void *bufp,
- int inisize, void *bufini, size_t typesize);
-
-void *grow_withdata(int *nrequested, int *nexisting,
- int *sizep, void *bufp,
- int inisize, void *bufini, size_t typesize);
-
-/* Usually a preallocation method is used, except in special cases of:
- 1) reentrant output request, or 2) an output request which would cause
- resizing to more than MAXSIZE (no such limit for a 'set' message).
- In both special cases, a temporary output buffer is allocated.
- A separately preallocated output buffer is not used, thus avoiding
- memcpying of the stored message (a small performance gain when the
- preallocation method is chosen). Instead, self-invoked 'set'
- messages are postponed, using an auxiliary buffer.
-*/
-
-static void prepend_dooutput(t_prepend *x, t_symbol *s, int ac, t_atom *av)
-{
- if (s == &s_float)
- {
- if (ac > 1)
- outlet_list(((t_object *)x)->ob_outlet, &s_list, ac, av);
- else
- outlet_float(((t_object *)x)->ob_outlet, av->a_w.w_float);
- }
- else if (s == &s_list)
- outlet_list(((t_object *)x)->ob_outlet, &s_list, ac, av);
- else if (s)
- /* CHECKED: 'bang' is prepended -- we cannot do so...
- ('symbol' cannot be compatible too) */
- {
- outlet_anything(((t_object *)x)->ob_outlet, s, ac, av);
- }
-}
-
-static void prepend_anything(t_prepend *x, t_symbol *s, int ac, t_atom *av)
-{
- int reentered = x->x_entered;
- int prealloc = !reentered;
- int ntotal = x->x_natoms + ac;
- t_atom *buf;
- x->x_entered = 1;
- if (s == &s_) s = 0;
- if (s)
- ntotal++;
- if (prealloc && ntotal > x->x_size)
- {
- if (ntotal > PREPEND_MAXSIZE)
- prealloc = 0;
- else
- {
- int nrequested = ntotal;
- x->x_message = grow_withdata(&nrequested, &x->x_natoms,
- &x->x_size, x->x_message,
- PREPEND_INISIZE, x->x_messini,
- sizeof(*x->x_message));
- prealloc = (nrequested == ntotal);
- }
- }
- if (prealloc)
- {
- buf = x->x_message + x->x_natoms;
- if (s)
- {
- SETSYMBOL(buf, s);
- buf++;
- }
- if (ac)
- memcpy(buf, av, ac * sizeof(*buf));
- prepend_dooutput(x, x->x_selector, ntotal, x->x_message);
- }
- else
- {
- /* LATER consider using the stack if ntotal <= MAXSTACK */
- if (buf = getbytes(ntotal * sizeof(*buf)))
- {
- t_atom *bp = buf + x->x_natoms;
- if (x->x_natoms)
- memcpy(buf, x->x_message, x->x_natoms * sizeof(*buf));
- if (s)
- {
- SETSYMBOL(bp, s);
- bp++;
- }
- if (ac)
- memcpy(bp, av, ac * sizeof(*bp));
- prepend_dooutput(x, x->x_selector, ntotal, buf);
- freebytes(buf, ntotal * sizeof(*buf));
- }
- }
- if (!reentered)
- {
- x->x_entered = 0;
- if (x->x_auxbuf)
- {
- if (x->x_auxsize <= x->x_size)
- {
- x->x_natoms = x->x_auxsize / 2;
- memcpy(x->x_message, x->x_auxbuf,
- x->x_natoms * sizeof(*x->x_message));
- freebytes(x->x_auxbuf, x->x_auxsize * sizeof(*x->x_auxbuf));
- }
- else
- {
- if (x->x_message != x->x_messini)
- freebytes(x->x_message, x->x_size * sizeof(*x->x_message));
- x->x_size = x->x_auxsize;
- x->x_message = x->x_auxbuf;
- x->x_natoms = x->x_auxsize / 2;
- }
- x->x_auxbuf = 0;
- }
- }
-}
-
-static void prepend_bang(t_prepend *x)
-{
- t_atom at;
- SETSYMBOL(&at, &s_bang); /* CHECKED */
- prepend_anything(x, 0, 1, &at);
-}
-
-static void prepend_float(t_prepend *x, t_float f)
-{
- t_atom at;
- SETFLOAT(&at, f);
- prepend_anything(x, 0, 1, &at);
-}
-
-static void prepend_symbol(t_prepend *x, t_symbol *s)
-{
- t_atom at;
- SETSYMBOL(&at, s);
- prepend_anything(x, 0, 1, &at);
-}
-
-/* LATER gpointer */
-
-static void prepend_list(t_prepend *x, t_symbol *s, int ac, t_atom *av)
-{
- prepend_anything(x, 0, ac, av);
-}
-
-static void prepend_set(t_prepend *x, t_symbol *s, int ac, t_atom *av)
-{
- if (ac)
- {
- int newsize;
- if (av->a_type == A_FLOAT)
- {
- if (ac > 1) x->x_selector = &s_list;
- else x->x_selector = &s_float;
- }
- else if (av->a_type == A_SYMBOL)
- {
- x->x_selector = av->a_w.w_symbol;
- ac--;
- av++;
- }
- else
- return; /* LATER rethink */
- newsize = ac * 2;
- if (x->x_entered)
- {
- if (x->x_auxbuf)
- {
- freebytes(x->x_auxbuf, x->x_auxsize * sizeof(*x->x_auxbuf));
- x->x_auxsize = 0;
- }
- if (x->x_auxbuf = getbytes(newsize * sizeof(*x->x_auxbuf)))
- {
- memcpy(x->x_auxbuf, av, ac * sizeof(*x->x_auxbuf));
- x->x_auxsize = newsize;
- }
- }
- else
- {
- t_atom *ap;
- if (newsize > x->x_size)
- {
- int sz = newsize;
- x->x_message = grow_nodata(&sz, &x->x_size, x->x_message,
- PREPEND_INISIZE, x->x_messini,
- sizeof(*x->x_message));
- if (sz != newsize)
- ac = sz / 2; /* LATER rethink */
- }
- x->x_natoms = ac;
- ap = x->x_message;
- while (ac--) *ap++ = *av++;
- }
- }
-}
-
-static void prepend_free(t_prepend *x)
-{
- if (x->x_message != x->x_messini)
- freebytes(x->x_message, x->x_size * sizeof(*x->x_message));
-}
-
-static void *prepend_new(t_symbol *s, int ac, t_atom *av)
-{
- t_prepend *x = (t_prepend *)pd_new(prepend_class);
- x->x_selector = 0;
- x->x_size = PREPEND_INISIZE;
- x->x_natoms = 0;
- x->x_message = x->x_messini;
- x->x_auxbuf = 0;
- x->x_entered = 0;
- outlet_new((t_object *)x, &s_anything);
- prepend_set(x, 0, ac, av);
- return (x);
-}
-
-void prepend_setup(void)
-{
- prepend_class = class_new(gensym("prepend"),
- (t_newmethod)prepend_new,
- (t_method)prepend_free,
- sizeof(t_prepend), 0,
- A_GIMME, 0);
- class_addbang(prepend_class, prepend_bang);
- class_addfloat(prepend_class, prepend_float);
- class_addsymbol(prepend_class, prepend_symbol);
- class_addlist(prepend_class, prepend_list);
- class_addanything(prepend_class, prepend_anything);
- class_addmethod(prepend_class, (t_method)prepend_set,
- gensym("set"), A_GIMME, 0);
-}
-
-
-/* Prior to this call a caller is supposed to check for *nrequested > *sizep.
- Returns a reallocated buffer's pointer (success) or a given 'bufini'
- default value (failure).
- Upon return *nrequested contains the actual number of elements:
- requested (success) or a given default value of 'inisize' (failure). */
-void *grow_nodata(int *nrequested, int *sizep, void *bufp,
- int inisize, void *bufini, size_t typesize)
-{
- int newsize = *sizep * 2;
- while (newsize < *nrequested) newsize *= 2;
- if (bufp == bufini)
- bufp = getbytes(newsize * typesize);
- else
- bufp = resizebytes(bufp, *sizep * typesize, newsize * typesize);
- if (bufp)
- {
- *sizep = newsize;
- return (bufp);
- }
- else
- {
- *nrequested = *sizep = inisize;
- return (bufini);
- }
-}
-
-/* Like grow_nodata(), but preserving first *nexisting elements. */
-void *grow_withdata(int *nrequested, int *nexisting,
- int *sizep, void *bufp,
- int inisize, void *bufini, size_t typesize)
-{
- int newsize = *sizep * 2;
- while (newsize < *nrequested) newsize *= 2;
- if (bufp == bufini)
- {
- if (!(bufp = getbytes(newsize * typesize)))
- {
- *nrequested = *sizep = inisize;
- return (bufini);
- }
- *sizep = newsize;
- memcpy(bufp, bufini, *nexisting * typesize);
- }
- else
- {
- int oldsize = *sizep;
- if (!(bufp = resizebytes(bufp, *sizep * typesize, newsize * typesize)))
- {
- *nrequested = *sizep = inisize;
- *nexisting = 0;
- return (bufini);
- }
- *sizep = newsize;
- }
- return (bufp);
-}
-
-/* Like grow_nodata(), but preserving a 'tail' of *nexisting elements,
- starting from *startp. */
-/* LATER rethink handling of a start pointer (clumsy now) */
-void *grow_withtail(int *nrequested, int *nexisting, char **startp,
- int *sizep, void *bufp,
- int inisize, void *bufini, size_t typesize)
-{
- int newsize = *sizep * 2;
- while (newsize < *nrequested) newsize *= 2;
- if (bufp == bufini)
- {
- char *oldstart = *startp;
- if (!(bufp = getbytes(newsize * typesize)))
- {
- *nrequested = *sizep = inisize;
- return (bufini);
- }
- *startp = (char *)bufp + (newsize - *nexisting) * typesize;
- *sizep = newsize;
- memcpy(*startp, oldstart, *nexisting * typesize);
- }
- else
- {
- int oldsize = *sizep;
- if (!(bufp = resizebytes(bufp, *sizep * typesize, newsize * typesize)))
- {
- *startp = (char *)bufini + inisize * typesize;
- *nrequested = *sizep = inisize;
- *nexisting = 0;
- return (bufini);
- }
- *startp = (char *)bufp + (newsize - *nexisting) * typesize;
- *sizep = newsize;
- memmove(*startp, (char *)bufp + (oldsize - *nexisting) * typesize,
- *nexisting * typesize);
- }
- return (bufp);
-}
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