mirror of
https://github.com/encounter/newlib.git
synced 2026-03-30 11:31:09 -07:00
Dave Murphy
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#include "config.h"
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#include <_ansi.h>
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#include <_syslist.h>
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#include <stdio.h>
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#include <errno.h>
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#include <sys/iosupport.h>
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#ifdef REENTRANT_SYSCALLS_PROVIDED
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//---------------------------------------------------------------------------------
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int _close_r( struct _reent *ptr, int fileDesc) {
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//---------------------------------------------------------------------------------
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#else
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//---------------------------------------------------------------------------------
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int _close( int fileDesc) {
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//---------------------------------------------------------------------------------
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struct _reent *ptr = _REENT;
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#endif
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int ret = -1;
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unsigned int dev = 0;
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if(fileDesc!=-1) {
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__handle *handle = __get_handle(fileDesc);
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if ( handle != NULL) {
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dev = handle->device;
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handle->refcount--;
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if (handle->refcount == 0 ) {
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if(devoptab_list[dev]->close_r) {
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ptr->deviceData = devoptab_list[dev]->deviceData;
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ret = devoptab_list[dev]->close_r(ptr,handle->fileStruct);
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}
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else
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ret = 0;
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__release_handle(fileDesc);
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} else {
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ret = 0;
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}
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}
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}
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return ret;
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}
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