2004-09-30 08:18:06 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#define CONTEXT_PG 0
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#define CONTEXT_SA 1
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2004-10-08 13:16:58 +00:00
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2004-10-07 10:03:23 +00:00
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#ifdef STANDALONE
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#define DEFAULT_CONTEXT CONTEXT_SA
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#else
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2004-09-30 08:18:06 +00:00
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#define DEFAULT_CONTEXT CONTEXT_PG
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2004-10-07 10:03:23 +00:00
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#endif
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2004-09-30 08:18:06 +00:00
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/* Global variables */
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2004-09-30 16:06:05 +00:00
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#if DEFAULT_CONTEXT == CONTEXT_SA
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2004-10-07 10:03:23 +00:00
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#include "liblwgeom.h"
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lwallocator lwalloc_var = default_allocator;
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lwreallocator lwrealloc_var = default_reallocator;
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lwfreeor lwfree_var = default_freeor;
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2004-09-30 08:18:06 +00:00
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lwreporter lwerror = default_errorreporter;
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lwreporter lwnotice = default_noticereporter;
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#else
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2004-10-07 10:03:23 +00:00
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#include "lwgeom_pg.h"
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#include "liblwgeom.h"
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lwallocator lwalloc_var = pg_alloc;
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lwreallocator lwrealloc_var = pg_realloc;
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lwfreeor lwfree_var = pg_free;
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2004-09-30 08:18:06 +00:00
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lwreporter lwerror = pg_error;
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lwreporter lwnotice = pg_notice;
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#endif
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2004-09-30 11:45:40 +00:00
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static char *lwgeomTypeName[] = {
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"Unknown",
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"Point",
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"Line",
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"Polygon",
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"MultiPoint",
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"MultiLine",
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"MultiPolygon",
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"GeometryCollection"
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};
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2004-09-30 08:18:06 +00:00
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void *
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default_allocator(size_t size)
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{
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void *mem = malloc(size);
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return mem;
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}
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void
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default_freeor(void *mem)
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{
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free(mem);
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}
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void *
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default_reallocator(void *mem, size_t size)
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{
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void *ret = realloc(mem, size);
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return ret;
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}
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void
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default_noticereporter(const char *fmt, ...)
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{
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char *msg;
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va_list ap;
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va_start (ap, fmt);
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/*
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* This is a GNU extension.
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* Dunno how to handle errors here.
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*/
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if (!vasprintf (&msg, fmt, ap))
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{
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va_end (ap);
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return;
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}
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2004-10-05 15:12:18 +00:00
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printf("%s\n", msg);
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2004-09-30 11:45:40 +00:00
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va_end(ap);
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2004-09-30 08:18:06 +00:00
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free(msg);
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}
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void
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default_errorreporter(const char *fmt, ...)
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{
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char *msg;
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va_list ap;
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va_start (ap, fmt);
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/*
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* This is a GNU extension.
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* Dunno how to handle errors here.
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*/
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if (!vasprintf (&msg, fmt, ap))
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{
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va_end (ap);
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return;
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}
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2004-10-05 15:12:18 +00:00
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fprintf(stderr, "%s\n", msg);
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2004-09-30 11:45:40 +00:00
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va_end(ap);
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2004-09-30 08:18:06 +00:00
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free(msg);
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2004-10-07 10:03:23 +00:00
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exit(1);
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2004-09-30 08:18:06 +00:00
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}
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2004-09-30 11:45:40 +00:00
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const char *
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lwgeom_typename(int type)
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{
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return lwgeomTypeName[type];
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}
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2004-10-07 10:03:23 +00:00
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void *
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lwalloc(size_t size)
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{
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2004-10-08 13:16:58 +00:00
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#ifdef DEBUG_ALLOCS
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void *mem = lwalloc_var(size);
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lwnotice("lwalloc: %d@%p", size, mem);
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return mem;
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#else // ! DEBUG_ALLOCS
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2004-10-07 10:03:23 +00:00
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return lwalloc_var(size);
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2004-10-08 13:16:58 +00:00
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#endif
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2004-10-07 10:03:23 +00:00
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}
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void *
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lwrealloc(void *mem, size_t size)
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{
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return lwrealloc_var(mem, size);
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}
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void
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lwfree(void *mem)
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{
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return lwfree_var(mem);
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}
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