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Diffstat (limited to 'ruby_1_8_5/ext/dl/ptr.c')
-rw-r--r--ruby_1_8_5/ext/dl/ptr.c1067
1 files changed, 0 insertions, 1067 deletions
diff --git a/ruby_1_8_5/ext/dl/ptr.c b/ruby_1_8_5/ext/dl/ptr.c
deleted file mode 100644
index 5c313fad55..0000000000
--- a/ruby_1_8_5/ext/dl/ptr.c
+++ /dev/null
@@ -1,1067 +0,0 @@
-/* -*- C -*-
- * $Id: ptr.c,v 1.19.2.1 2006/05/25 16:37:57 ttate Exp $
- */
-
-#include <ruby.h>
-#include <ctype.h>
-#include <version.h> /* for ruby version code */
-#include "dl.h"
-
-VALUE rb_cDLPtrData;
-VALUE rb_mDLMemorySpace;
-static VALUE DLMemoryTable;
-
-#ifndef T_SYMBOL
-# define T_SYMBOL T_FIXNUM
-#endif
-
-#if RUBY_VERSION_CODE < 171
-static VALUE
-rb_hash_delete(VALUE hash, VALUE key)
-{
- return rb_funcall(hash, rb_intern("delete"), 1, key);
-}
-#endif
-
-static void
-rb_dlmem_delete(void *ptr)
-{
- rb_secure(4);
- rb_hash_delete(DLMemoryTable, DLLONG2NUM(ptr));
-}
-
-static void
-rb_dlmem_aset(void *ptr, VALUE obj)
-{
- if (obj == Qnil) {
- rb_dlmem_delete(ptr);
- }
- else{
- rb_hash_aset(DLMemoryTable, DLLONG2NUM(ptr), DLLONG2NUM(obj));
- }
-}
-
-static VALUE
-rb_dlmem_aref(void *ptr)
-{
- VALUE val;
-
- val = rb_hash_aref(DLMemoryTable, DLLONG2NUM(ptr));
- return val == Qnil ? Qnil : (VALUE)DLNUM2LONG(val);
-}
-
-void
-dlptr_free(struct ptr_data *data)
-{
- if (data->ptr) {
- DEBUG_CODE({
- printf("dlptr_free(): removing the pointer `0x%x' from the MemorySpace\n",
- data->ptr);
- });
- rb_dlmem_delete(data->ptr);
- if (data->free) {
- DEBUG_CODE({
- printf("dlptr_free(): 0x%x(data->ptr:0x%x)\n",data->free,data->ptr);
- });
- (*(data->free))(data->ptr);
- }
- }
- if (data->stype) dlfree(data->stype);
- if (data->ssize) dlfree(data->ssize);
- if (data->ids) dlfree(data->ids);
-}
-
-void
-dlptr_init(VALUE val)
-{
- struct ptr_data *data;
-
- Data_Get_Struct(val, struct ptr_data, data);
- DEBUG_CODE({
- printf("dlptr_init(): add the pointer `0x%x' to the MemorySpace\n",
- data->ptr);
- });
- rb_dlmem_aset(data->ptr, val);
- OBJ_TAINT(val);
-}
-
-VALUE
-rb_dlptr_new2(VALUE klass, void *ptr, long size, freefunc_t func)
-{
- struct ptr_data *data;
- VALUE val;
-
- rb_secure(4);
- if (ptr) {
- val = rb_dlmem_aref(ptr);
- if (val == Qnil) {
- val = Data_Make_Struct(klass, struct ptr_data,
- 0, dlptr_free, data);
- data->ptr = ptr;
- data->free = func;
- data->ctype = DLPTR_CTYPE_UNKNOWN;
- data->stype = NULL;
- data->ssize = NULL;
- data->slen = 0;
- data->size = size;
- data->ids = NULL;
- data->ids_num = 0;
- dlptr_init(val);
- }
- else{
- if (func) {
- Data_Get_Struct(val, struct ptr_data, data);
- data->free = func;
- }
- }
- }
- else{
- val = Qnil;
- }
-
- return val;
-}
-
-VALUE
-rb_dlptr_new(void *ptr, long size, freefunc_t func)
-{
- return rb_dlptr_new2(rb_cDLPtrData, ptr, size, func);
-}
-
-VALUE
-rb_dlptr_malloc(long size, freefunc_t func)
-{
- void *ptr;
-
- rb_secure(4);
- ptr = dlmalloc((size_t)size);
- memset(ptr,0,(size_t)size);
- return rb_dlptr_new(ptr, size, func);
-}
-
-void *
-rb_dlptr2cptr(VALUE val)
-{
- struct ptr_data *data;
- void *ptr;
-
- if (rb_obj_is_kind_of(val, rb_cDLPtrData)) {
- Data_Get_Struct(val, struct ptr_data, data);
- ptr = data->ptr;
- }
- else if (val == Qnil) {
- ptr = NULL;
- }
- else{
- rb_raise(rb_eTypeError, "DL::PtrData was expected");
- }
-
- return ptr;
-}
-
-static VALUE
-rb_dlptr_s_allocate(VALUE klass)
-{
- VALUE obj;
- struct ptr_data *data;
-
- rb_secure(4);
- obj = Data_Make_Struct(klass, struct ptr_data, 0, dlptr_free, data);
- data->ptr = 0;
- data->free = 0;
- data->ctype = DLPTR_CTYPE_UNKNOWN;
- data->stype = NULL;
- data->ssize = NULL;
- data->slen = 0;
- data->size = 0;
- data->ids = NULL;
- data->ids_num = 0;
-
- return obj;
-}
-
-static VALUE
-rb_dlptr_initialize(int argc, VALUE argv[], VALUE self)
-{
- VALUE ptr, sym, size;
- struct ptr_data *data;
- void *p = NULL;
- freefunc_t f = NULL;
- long s = 0;
-
- switch (rb_scan_args(argc, argv, "12", &ptr, &size, &sym)) {
- case 1:
- p = (void*)(DLNUM2LONG(rb_Integer(ptr)));
- break;
- case 2:
- p = (void*)(DLNUM2LONG(rb_Integer(ptr)));
- s = DLNUM2LONG(size);
- break;
- case 3:
- p = (void*)(DLNUM2LONG(rb_Integer(ptr)));
- s = DLNUM2LONG(size);
- f = rb_dlsym2csym(sym);
- break;
- default:
- rb_bug("rb_dlptr_initialize");
- }
-
- if (p) {
- Data_Get_Struct(self, struct ptr_data, data);
- if (data->ptr && data->free) {
- /* Free previous memory. Use of inappropriate initialize may cause SEGV. */
- (*(data->free))(data->ptr);
- }
- data->ptr = p;
- data->size = s;
- data->free = f;
- }
-
- return Qnil;
-}
-
-static VALUE
-rb_dlptr_s_malloc(int argc, VALUE argv[], VALUE klass)
-{
- VALUE size, sym, obj;
- int s;
- freefunc_t f = NULL;
-
- switch (rb_scan_args(argc, argv, "11", &size, &sym)) {
- case 1:
- s = NUM2INT(size);
- break;
- case 2:
- s = NUM2INT(size);
- f = rb_dlsym2csym(sym);
- break;
- default:
- rb_bug("rb_dlptr_s_malloc");
- }
-
- obj = rb_dlptr_malloc(s,f);
-
- return obj;
-}
-
-VALUE
-rb_dlptr_to_i(VALUE self)
-{
- struct ptr_data *data;
-
- Data_Get_Struct(self, struct ptr_data, data);
- return DLLONG2NUM(data->ptr);
-}
-
-VALUE
-rb_dlptr_ptr(VALUE self)
-{
- struct ptr_data *data;
-
- Data_Get_Struct(self, struct ptr_data, data);
- return rb_dlptr_new(*((void**)(data->ptr)),0,0);
-}
-
-VALUE
-rb_dlptr_ref(VALUE self)
-{
- struct ptr_data *data;
-
- Data_Get_Struct(self, struct ptr_data, data);
- return rb_dlptr_new(&(data->ptr),0,0);
-}
-
-VALUE
-rb_dlptr_null_p(VALUE self)
-{
- struct ptr_data *data;
-
- Data_Get_Struct(self, struct ptr_data, data);
- return data->ptr ? Qfalse : Qtrue;
-}
-
-VALUE
-rb_dlptr_free_set(VALUE self, VALUE val)
-{
- struct ptr_data *data;
-
- Data_Get_Struct(self, struct ptr_data, data);
-
- data->free = DLFREEFUNC(rb_dlsym2csym(val));
-
- return Qnil;
-}
-
-VALUE
-rb_dlptr_free_get(VALUE self)
-{
- struct ptr_data *pdata;
-
- Data_Get_Struct(self, struct ptr_data, pdata);
-
- return rb_dlsym_new(pdata->free,"(free)","0P");
-}
-
-VALUE
-rb_dlptr_to_array(int argc, VALUE argv[], VALUE self)
-{
- struct ptr_data *data;
- int n;
- int i;
- int t;
- VALUE ary;
- VALUE type, size;
-
- Data_Get_Struct(self, struct ptr_data, data);
-
- switch (rb_scan_args(argc, argv, "11", &type, &size)) {
- case 2:
- t = StringValuePtr(type)[0];
- n = NUM2INT(size);
- break;
- case 1:
- t = StringValuePtr(type)[0];
- switch (t) {
- case 'C':
- n = data->size;
- break;
- case 'H':
- n = data->size / sizeof(short);
- break;
- case 'I':
- n = data->size / sizeof(int);
- break;
- case 'L':
- n = data->size / sizeof(long);
- break;
- case 'F':
- n = data->size / sizeof(float);
- break;
- case 'D':
- n = data->size / sizeof(double);
- break;
- case 'P': case 'p':
- n = data->size / sizeof(void*);
- break;
- case 'S': case 's':
- for (n=0; ((void**)(data->ptr))[n]; n++) {};
- break;
- default:
- n = 0;
- }
- break;
- default:
- rb_bug("rb_dlptr_to_array");
- }
-
- ary = rb_ary_new();
-
- for (i=0; i < n; i++) {
- switch (t) {
- case 'C':
- rb_ary_push(ary, INT2NUM(((char*)(data->ptr))[i]));
- break;
- case 'H':
- rb_ary_push(ary, INT2NUM(((short*)(data->ptr))[i]));
- break;
- case 'I':
- rb_ary_push(ary, INT2NUM(((int*)(data->ptr))[i]));
- break;
- case 'L':
- rb_ary_push(ary, DLLONG2NUM(((long*)(data->ptr))[i]));
- break;
- case 'D':
- rb_ary_push(ary, rb_float_new(((double*)(data->ptr))[i]));
- break;
- case 'F':
- rb_ary_push(ary, rb_float_new(((float*)(data->ptr))[i]));
- break;
- case 'S':
- {
- char *str = ((char**)(data->ptr))[i];
- if (str) {
- rb_ary_push(ary, rb_tainted_str_new2(str));
- }
- else{
- rb_ary_push(ary, Qnil);
- }
- }
- break;
- case 's':
- {
- char *str = ((char**)(data->ptr))[i];
- if (str) {
- rb_ary_push(ary, rb_tainted_str_new2(str));
- xfree(str);
- }
- else{
- rb_ary_push(ary, Qnil);
- }
- }
- break;
- case 'P':
- rb_ary_push(ary, rb_dlptr_new(((void**)(data->ptr))[i],0,0));
- break;
- case 'p':
- rb_ary_push(ary,
- rb_dlptr_new(((void**)(data->ptr))[i],0,dlfree));
- break;
- }
- }
-
- return ary;
-}
-
-
-VALUE
-rb_dlptr_to_s(int argc, VALUE argv[], VALUE self)
-{
- struct ptr_data *data;
- VALUE arg1, val;
- int len;
-
- Data_Get_Struct(self, struct ptr_data, data);
- switch (rb_scan_args(argc, argv, "01", &arg1)) {
- case 0:
- val = rb_tainted_str_new2((char*)(data->ptr));
- break;
- case 1:
- len = NUM2INT(arg1);
- val = rb_tainted_str_new((char*)(data->ptr), len);
- break;
- default:
- rb_bug("rb_dlptr_to_s");
- }
-
- return val;
-}
-
-VALUE
-rb_dlptr_to_str(int argc, VALUE argv[], VALUE self)
-{
- struct ptr_data *data;
- VALUE arg1, val;
- int len;
-
- Data_Get_Struct(self, struct ptr_data, data);
- switch (rb_scan_args(argc, argv, "01", &arg1)) {
- case 0:
- val = rb_tainted_str_new((char*)(data->ptr),data->size);
- break;
- case 1:
- len = NUM2INT(arg1);
- val = rb_tainted_str_new((char*)(data->ptr), len);
- break;
- default:
- rb_bug("rb_dlptr_to_str");
- }
-
- return val;
-}
-
-VALUE
-rb_dlptr_inspect(VALUE self)
-{
- struct ptr_data *data;
- char str[1024];
-
- Data_Get_Struct(self, struct ptr_data, data);
- snprintf(str, 1023, "#<%s:0x%p ptr=0x%p size=%ld free=0x%p>",
- rb_class2name(CLASS_OF(self)), data, data->ptr, data->size, data->free);
- return rb_str_new2(str);
-}
-
-VALUE
-rb_dlptr_eql(VALUE self, VALUE other)
-{
- void *ptr1, *ptr2;
- ptr1 = rb_dlptr2cptr(self);
- ptr2 = rb_dlptr2cptr(other);
-
- return ptr1 == ptr2 ? Qtrue : Qfalse;
-}
-
-VALUE
-rb_dlptr_cmp(VALUE self, VALUE other)
-{
- void *ptr1, *ptr2;
- ptr1 = rb_dlptr2cptr(self);
- ptr2 = rb_dlptr2cptr(other);
- return DLLONG2NUM((long)ptr1 - (long)ptr2);
-}
-
-VALUE
-rb_dlptr_plus(VALUE self, VALUE other)
-{
- void *ptr;
- long num, size;
-
- ptr = rb_dlptr2cptr(self);
- size = RDLPTR(self)->size;
- num = DLNUM2LONG(other);
- return rb_dlptr_new((char *)ptr + num, size - num, 0);
-}
-
-VALUE
-rb_dlptr_minus(VALUE self, VALUE other)
-{
- void *ptr;
- long num, size;
-
- ptr = rb_dlptr2cptr(self);
- size = RDLPTR(self)->size;
- num = DLNUM2LONG(other);
- return rb_dlptr_new((char *)ptr - num, size + num, 0);
-}
-
-VALUE
-rb_dlptr_define_data_type(int argc, VALUE argv[], VALUE self)
-{
- VALUE data_type, type, rest, vid;
- struct ptr_data *data;
- int i, t, num;
- char *ctype;
-
- rb_scan_args(argc, argv, "11*", &data_type, &type, &rest);
- Data_Get_Struct(self, struct ptr_data, data);
-
- if (argc == 1 || (argc == 2 && type == Qnil)) {
- if (NUM2INT(data_type) == DLPTR_CTYPE_UNKNOWN) {
- data->ctype = DLPTR_CTYPE_UNKNOWN;
- data->slen = 0;
- data->ids_num = 0;
- if (data->stype) {
- dlfree(data->stype);
- data->stype = NULL;
- }
- if (data->ids) {
- dlfree(data->ids);
- data->ids = NULL;
- }
- return Qnil;
- }
- else{
- rb_raise(rb_eArgError, "wrong arguments");
- }
- }
-
- t = NUM2INT(data_type);
- StringValue(type);
- Check_Type(rest, T_ARRAY);
- num = RARRAY(rest)->len;
- for (i=0; i<num; i++) {
- rb_to_id(rb_ary_entry(rest,i));
- }
-
- data->ctype = t;
- data->slen = num;
- data->ids_num = num;
- if (data->stype) dlfree(data->stype);
- data->stype = (char*)dlmalloc(sizeof(char) * num);
- if (data->ssize) dlfree(data->ssize);
- data->ssize = (int*)dlmalloc(sizeof(int) * num);
- if (data->ids) dlfree(data->ids);
- data->ids = (ID*)dlmalloc(sizeof(ID) * data->ids_num);
-
- ctype = StringValuePtr(type);
- for (i=0; i<num; i++) {
- vid = rb_ary_entry(rest,i);
- data->ids[i] = rb_to_id(vid);
- data->stype[i] = *ctype;
- ctype ++;
- if (isdigit(*ctype)) {
- char *p, *d;
- for (p=ctype; isdigit(*p); p++) ;
- d = ALLOCA_N(char, p - ctype + 1);
- strncpy(d, ctype, p - ctype);
- d[p - ctype] = '\0';
- data->ssize[i] = atoi(d);
- ctype = p;
- }
- else{
- data->ssize[i] = 1;
- }
- }
-
- if (*ctype) {
- rb_raise(rb_eArgError, "too few/many arguments");
- }
-
- if (!data->size)
- data->size = dlsizeof(RSTRING(type)->ptr);
-
- return Qnil;
-}
-
-VALUE
-rb_dlptr_define_struct(int argc, VALUE argv[], VALUE self)
-{
- VALUE *pass_argv;
- int pass_argc, i;
-
- pass_argc = argc + 1;
- pass_argv = ALLOCA_N(VALUE, pass_argc);
- pass_argv[0] = INT2FIX(DLPTR_CTYPE_STRUCT);
- for (i=1; i<pass_argc; i++) {
- pass_argv[i] = argv[i-1];
- }
- return rb_dlptr_define_data_type(pass_argc, pass_argv, self);
-}
-
-VALUE
-rb_dlptr_define_union(int argc, VALUE argv[], VALUE self)
-{
- VALUE *pass_argv;
- int pass_argc, i;
-
- pass_argc = argc + 1;
- pass_argv = ALLOCA_N(VALUE, pass_argc);
- pass_argv[0] = INT2FIX(DLPTR_CTYPE_UNION);
- for (i=1; i<pass_argc; i++) {
- pass_argv[i] = argv[i-1];
- }
- return rb_dlptr_define_data_type(pass_argc, pass_argv, self);
-}
-
-VALUE
-rb_dlptr_get_data_type(VALUE self)
-{
- struct ptr_data *data;
-
- Data_Get_Struct(self, struct ptr_data, data);
- if (data->stype)
- return rb_assoc_new(INT2FIX(data->ctype),
- rb_tainted_str_new(data->stype, data->slen));
- else
- return rb_assoc_new(INT2FIX(data->ctype), Qnil);
-}
-
-static VALUE
-cary2ary(void *ptr, char t, int len)
-{
- VALUE ary;
- VALUE elem;
- int i;
-
- if (len < 1)
- return Qnil;
-
- if (len == 1) {
- switch (t) {
- case 'I':
- elem = INT2NUM(*((int*)ptr));
- ptr = (char *)ptr + sizeof(int);
- break;
- case 'L':
- elem = DLLONG2NUM(*((long*)ptr));
- ptr = (char *)ptr + sizeof(long);
- break;
- case 'P':
- case 'S':
- elem = rb_dlptr_new(*((void**)ptr),0, 0);
- ptr = (char *)ptr + sizeof(void*);
- break;
- case 'F':
- elem = rb_float_new(*((float*)ptr));
- ptr = (char *)ptr + sizeof(float);
- break;
- case 'D':
- elem = rb_float_new(*((double*)ptr));
- ptr = (char *)ptr + sizeof(double);
- break;
- case 'C':
- elem = INT2NUM(*((char*)ptr));
- ptr = (char *)ptr + sizeof(char);
- break;
- case 'H':
- elem = INT2NUM(*((short*)ptr));
- ptr = (char *)ptr + sizeof(short);
- break;
- default:
- rb_raise(rb_eDLTypeError, "unsupported type '%c'", t);
- }
- return elem;
- }
-
- ary = rb_ary_new();
- for (i=0; i < len; i++) {
- switch (t) {
- case 'I':
- elem = INT2NUM(*((int*)ptr));
- ptr = (char *)ptr + sizeof(int);
- break;
- case 'L':
- elem = DLLONG2NUM(*((long*)ptr));
- ptr = (char *)ptr + sizeof(long);
- break;
- case 'P':
- case 'S':
- elem = rb_dlptr_new(*((void**)ptr), 0, 0);
- ptr = (char *)ptr + sizeof(void*);
- break;
- case 'F':
- elem = rb_float_new(*((float*)ptr));
- ptr = (char *)ptr + sizeof(float);
- break;
- case 'D':
- elem = rb_float_new(*((float*)ptr));
- ptr = (char *)ptr + sizeof(double);
- break;
- case 'C':
- elem = INT2NUM(*((char*)ptr));
- ptr = (char *)ptr + sizeof(char);
- break;
- case 'H':
- elem = INT2NUM(*((short*)ptr));
- ptr = (char *)ptr + sizeof(short);
- break;
- default:
- rb_raise(rb_eDLTypeError, "unsupported type '%c'", t);
- }
- rb_ary_push(ary, elem);
- }
-
- return ary;
-}
-
-VALUE
-rb_dlptr_aref(int argc, VALUE argv[], VALUE self)
-{
- VALUE key = Qnil, num = Qnil;
- ID id;
- struct ptr_data *data;
- int i;
- int offset;
-
- if (rb_scan_args(argc, argv, "11", &key, &num) == 1) {
- num = INT2NUM(0);
- }
-
- if (TYPE(key) == T_FIXNUM || TYPE(key) == T_BIGNUM) {
- VALUE pass[1];
- pass[0] = num;
- return rb_dlptr_to_str(1, pass, rb_dlptr_plus(self, key));
- }
- rb_to_id(key);
- if (! (TYPE(key) == T_STRING || TYPE(key) == T_SYMBOL)) {
- rb_raise(rb_eTypeError, "the key must be a string or symbol");
- }
-
- id = rb_to_id(key);
- Data_Get_Struct(self, struct ptr_data, data);
- offset = 0;
- switch (data->ctype) {
- case DLPTR_CTYPE_STRUCT:
- for (i=0; i < data->ids_num; i++) {
- switch (data->stype[i]) {
- case 'I':
- DLALIGN(data->ptr,offset,INT_ALIGN);
- break;
- case 'L':
- DLALIGN(data->ptr,offset,LONG_ALIGN);
- break;
- case 'P':
- case 'S':
- DLALIGN(data->ptr,offset,VOIDP_ALIGN);
- break;
- case 'F':
- DLALIGN(data->ptr,offset,FLOAT_ALIGN);
- break;
- case 'D':
- DLALIGN(data->ptr,offset,DOUBLE_ALIGN);
- break;
- case 'C':
- break;
- case 'H':
- DLALIGN(data->ptr,offset,SHORT_ALIGN);
- break;
- default:
- rb_raise(rb_eDLTypeError, "unsupported type '%c'", data->stype[i]);
- }
- if (data->ids[i] == id) {
- return cary2ary((char *)data->ptr + offset, data->stype[i], data->ssize[i]);
- }
- switch (data->stype[i]) {
- case 'I':
- offset += sizeof(int) * data->ssize[i];
- break;
- case 'L':
- offset += sizeof(long) * data->ssize[i];
- break;
- case 'P':
- case 'S':
- offset += sizeof(void*) * data->ssize[i];
- break;
- case 'F':
- offset += sizeof(float) * data->ssize[i];
- break;
- case 'D':
- offset += sizeof(double) * data->ssize[i];
- break;
- case 'C':
- offset += sizeof(char) * data->ssize[i];
- break;
- case 'H':
- offset += sizeof(short) * data->ssize[i];
- break;
- default:
- rb_raise(rb_eDLTypeError, "unsupported type '%c'", data->stype[i]);
- }
- }
- break;
- case DLPTR_CTYPE_UNION:
- for (i=0; i < data->ids_num; i++) {
- if (data->ids[i] == id) {
- return cary2ary((char *)data->ptr + offset, data->stype[i], data->ssize[i]);
- }
- }
- break;
- } /* end of switch */
-
- rb_raise(rb_eNameError, "undefined key `%s' for %s",
- rb_id2name(id), rb_class2name(CLASS_OF(self)));
-
- return Qnil;
-}
-
-static void *
-ary2cary(char t, VALUE val, long *size)
-{
- void *ptr;
-
- if (TYPE(val) == T_ARRAY) {
- ptr = rb_ary2cary(t, val, size);
- }
- else{
- ptr = rb_ary2cary(t, rb_ary_new3(1, val), size);
- }
- return ptr;
-}
-
-VALUE
-rb_dlptr_aset(int argc, VALUE argv[], VALUE self)
-{
- VALUE key = Qnil, num = Qnil, val = Qnil;
- ID id;
- struct ptr_data *data;
- int i;
- int offset;
- long memsize;
- void *memimg;
-
- rb_secure(4);
- switch (rb_scan_args(argc, argv, "21", &key, &num, &val)) {
- case 2:
- val = num;
- num = Qnil;
- break;
- }
-
- if (TYPE(key) == T_FIXNUM || TYPE(key) == T_BIGNUM) {
- void *dst, *src;
- long len;
-
- StringValue(val);
- Data_Get_Struct(self, struct ptr_data, data);
- dst = (void*)((long)(data->ptr) + DLNUM2LONG(key));
- src = RSTRING(val)->ptr;
- len = RSTRING(val)->len;
- if (num == Qnil) {
- memcpy(dst, src, len);
- }
- else{
- long n = NUM2INT(num);
- memcpy(dst, src, n < len ? n : len);
- if (n > len) MEMZERO((char*)dst + len, char, n - len);
- }
- return val;
- }
-
- id = rb_to_id(key);
- Data_Get_Struct(self, struct ptr_data, data);
- switch (data->ctype) {
- case DLPTR_CTYPE_STRUCT:
- offset = 0;
- for (i=0; i < data->ids_num; i++) {
- switch (data->stype[i]) {
- case 'I':
- DLALIGN(data->ptr,offset,INT_ALIGN);
- break;
- case 'L':
- DLALIGN(data->ptr,offset,LONG_ALIGN);
- break;
- case 'P':
- case 'S':
- DLALIGN(data->ptr,offset,VOIDP_ALIGN);
- break;
- case 'D':
- DLALIGN(data->ptr,offset,DOUBLE_ALIGN);
- break;
- case 'F':
- DLALIGN(data->ptr,offset,FLOAT_ALIGN);
- break;
- case 'C':
- break;
- case 'H':
- DLALIGN(data->ptr,offset,SHORT_ALIGN);
- break;
- default:
- rb_raise(rb_eDLTypeError, "unsupported type '%c'", data->stype[i]);
- }
- if (data->ids[i] == id) {
- memimg = ary2cary(data->stype[i], val, &memsize);
- memcpy((char *)data->ptr + offset, memimg, memsize);
- dlfree(memimg);
- return val;
- }
- switch (data->stype[i]) {
- case 'I':
- case 'i':
- offset += sizeof(int) * data->ssize[i];
- break;
- case 'L':
- case 'l':
- offset += sizeof(long) * data->ssize[i];
- break;
- case 'P':
- case 'p':
- case 'S':
- case 's':
- offset += sizeof(void*) * data->ssize[i];
- break;
- case 'D':
- case 'd':
- offset += sizeof(double) * data->ssize[i];
- break;
- case 'F':
- case 'f':
- offset += sizeof(float) * data->ssize[i];
- break;
- case 'C':
- case 'c':
- offset += sizeof(char) * data->ssize[i];
- break;
- case 'H':
- case 'h':
- offset += sizeof(short) * data->ssize[i];
- break;
- default:
- rb_raise(rb_eDLTypeError, "unsupported type '%c'", data->stype[i]);
- }
- }
- return val;
- /* break; */
- case DLPTR_CTYPE_UNION:
- for (i=0; i < data->ids_num; i++) {
- if (data->ids[i] == id) {
- switch (data->stype[i]) {
- case 'I': case 'i':
- memsize = sizeof(int) * data->ssize[i];
- break;
- case 'L': case 'l':
- memsize = sizeof(long) * data->ssize[i];
- break;
- case 'P': case 'p':
- case 'S': case 's':
- memsize = sizeof(void*) * data->ssize[i];
- break;
- case 'F': case 'f':
- memsize = sizeof(float) * data->ssize[i];
- break;
- case 'D': case 'd':
- memsize = sizeof(double) * data->ssize[i];
- break;
- case 'C': case 'c':
- memsize = sizeof(char) * data->ssize[i];
- break;
- case 'H': case 'h':
- memsize = sizeof(short) * data->ssize[i];
- break;
- default:
- rb_raise(rb_eDLTypeError, "unsupported type '%c'", data->stype[i]);
- }
- memimg = ary2cary(data->stype[i], val, NULL);
- memcpy(data->ptr, memimg, memsize);
- dlfree(memimg);
- }
- }
- return val;
- /* break; */
- }
-
- rb_raise(rb_eNameError, "undefined key `%s' for %s",
- rb_id2name(id), rb_class2name(CLASS_OF(self)));
-
- return Qnil;
-}
-
-VALUE
-rb_dlptr_size(int argc, VALUE argv[], VALUE self)
-{
- VALUE size;
-
- if (rb_scan_args(argc, argv, "01", &size) == 0){
- return DLLONG2NUM(RDLPTR(self)->size);
- }
- else{
- RDLPTR(self)->size = DLNUM2LONG(size);
- return size;
- }
-}
-
-static VALUE
-dlmem_each_i(VALUE assoc, void *data)
-{
- VALUE key, val;
- key = rb_ary_entry(assoc, 0);
- val = rb_ary_entry(assoc, 1);
- rb_yield(rb_assoc_new(key,(VALUE)DLNUM2LONG(val)));
- return Qnil;
-}
-
-VALUE
-rb_dlmem_each(VALUE self)
-{
- rb_iterate(rb_each, DLMemoryTable, dlmem_each_i, 0);
- return Qnil;
-}
-
-void
-Init_dlptr()
-{
- rb_cDLPtrData = rb_define_class_under(rb_mDL, "PtrData", rb_cObject);
- rb_define_alloc_func(rb_cDLPtrData, rb_dlptr_s_allocate);
- rb_define_singleton_method(rb_cDLPtrData, "malloc", rb_dlptr_s_malloc, -1);
- rb_define_method(rb_cDLPtrData, "initialize", rb_dlptr_initialize, -1);
- rb_define_method(rb_cDLPtrData, "free=", rb_dlptr_free_set, 1);
- rb_define_method(rb_cDLPtrData, "free", rb_dlptr_free_get, 0);
- rb_define_method(rb_cDLPtrData, "to_i", rb_dlptr_to_i, 0);
- rb_define_method(rb_cDLPtrData, "ptr", rb_dlptr_ptr, 0);
- rb_define_method(rb_cDLPtrData, "+@", rb_dlptr_ptr, 0);
- rb_define_method(rb_cDLPtrData, "ref", rb_dlptr_ref, 0);
- rb_define_method(rb_cDLPtrData, "-@", rb_dlptr_ref, 0);
- rb_define_method(rb_cDLPtrData, "null?", rb_dlptr_null_p, 0);
- rb_define_method(rb_cDLPtrData, "to_a", rb_dlptr_to_array, -1);
- rb_define_method(rb_cDLPtrData, "to_s", rb_dlptr_to_s, -1);
- rb_define_method(rb_cDLPtrData, "to_str", rb_dlptr_to_str, -1);
- rb_define_method(rb_cDLPtrData, "inspect", rb_dlptr_inspect, 0);
- rb_define_method(rb_cDLPtrData, "<=>", rb_dlptr_cmp, 1);
- rb_define_method(rb_cDLPtrData, "==", rb_dlptr_eql, 1);
- rb_define_method(rb_cDLPtrData, "eql?", rb_dlptr_eql, 1);
- rb_define_method(rb_cDLPtrData, "+", rb_dlptr_plus, 1);
- rb_define_method(rb_cDLPtrData, "-", rb_dlptr_minus, 1);
- rb_define_method(rb_cDLPtrData, "define_data_type",
- rb_dlptr_define_data_type, -1);
- rb_define_method(rb_cDLPtrData, "struct!", rb_dlptr_define_struct, -1);
- rb_define_method(rb_cDLPtrData, "union!", rb_dlptr_define_union, -1);
- rb_define_method(rb_cDLPtrData, "data_type", rb_dlptr_get_data_type, 0);
- rb_define_method(rb_cDLPtrData, "[]", rb_dlptr_aref, -1);
- rb_define_method(rb_cDLPtrData, "[]=", rb_dlptr_aset, -1);
- rb_define_method(rb_cDLPtrData, "size", rb_dlptr_size, -1);
- rb_define_method(rb_cDLPtrData, "size=", rb_dlptr_size, -1);
-
- rb_mDLMemorySpace = rb_define_module_under(rb_mDL, "MemorySpace");
- DLMemoryTable = rb_hash_new();
- rb_define_const(rb_mDLMemorySpace, "MemoryTable", DLMemoryTable);
- rb_define_module_function(rb_mDLMemorySpace, "each", rb_dlmem_each, 0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-16 13:19:19 +0000