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/* tls_pbuf.cc
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include <winsup.h>
#include <malloc.h>
#include "tls_pbuf.h"
#define tls_pbuf _my_tls.locals.pathbufs
void
tls_pathbuf::create ()
{
tls_heap = HeapCreate (HEAP_NO_SERIALIZE | HEAP_GENERATE_EXCEPTIONS,
NT_MAX_PATH * sizeof (WCHAR) * 10, /* 640K */
NT_MAX_PATH * TP_NUM_C_BUFS /* 4.6M */
+ NT_MAX_PATH * TP_NUM_W_BUFS * sizeof (WCHAR));
}
void
tls_pathbuf::destroy ()
{
if (tls_heap)
HeapDestroy (tls_heap);
}
char *
tmp_pathbuf::c_get ()
{
if (!tls_pbuf.tls_heap)
tls_pbuf.create ();
if (tls_pbuf.c_cnt >= TP_NUM_C_BUFS)
api_fatal ("Internal error: TP_NUM_C_BUFS too small: %u", TP_NUM_C_BUFS);
if (!tls_pbuf.c_buf[tls_pbuf.c_cnt]
&& !(tls_pbuf.c_buf[tls_pbuf.c_cnt]
= (char *) HeapAlloc (tls_pbuf.tls_heap, 0, NT_MAX_PATH)))
api_fatal ("Internal error: Out of memory for new path buf.");
return tls_pbuf.c_buf[tls_pbuf.c_cnt++];
}
PWCHAR
tmp_pathbuf::w_get ()
{
if (!tls_pbuf.tls_heap)
tls_pbuf.create ();
if (tls_pbuf.w_cnt >= TP_NUM_W_BUFS)
api_fatal ("Internal error: TP_NUM_W_BUFS too small: %u.", TP_NUM_W_BUFS);
if (!tls_pbuf.w_buf[tls_pbuf.w_cnt]
&& !(tls_pbuf.w_buf[tls_pbuf.w_cnt]
= (PWCHAR) HeapAlloc (tls_pbuf.tls_heap, 0,
NT_MAX_PATH * sizeof (WCHAR))))
api_fatal ("Internal error: Out of memory for new wide path buf.");
return tls_pbuf.w_buf[tls_pbuf.w_cnt++];
}
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