mirror of
https://github.com/encounter/newlib.git
synced 2026-03-30 11:31:09 -07:00
Dave Murphy
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
#include "config.h"
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#include <_ansi.h>
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#include <_syslist.h>
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#include <string.h>
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#include <stdio.h>
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#include <ctype.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 _open_r(struct _reent * r, const char *file, int flags, int mode) {
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//---------------------------------------------------------------------------------
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#else
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//---------------------------------------------------------------------------------
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int _open(struct _reent * r, const char *file, int flags, int mode) {
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//---------------------------------------------------------------------------------
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struct _reent *r = _REENT;
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#endif
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__handle *handle;
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int dev, fd, ret;
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dev = FindDevice(file);
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fd = -1;
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if(dev!=-1) {
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if (devoptab_list[dev]->open_r) {
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fd = __alloc_handle(dev);
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if ( -1 != fd ) {
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handle = __get_handle(fd);
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r->deviceData = devoptab_list[dev]->deviceData;
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ret = devoptab_list[dev]->open_r(r, handle->fileStruct, file, flags, mode);
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if ( ret == -1 ) {
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__release_handle(fd);
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fd = -1;
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}
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} else {
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r->_errno = ENOSR;
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}
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} else {
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r->_errno=ENOSYS;
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}
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} else {
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r->_errno = ENOSYS;
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}
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return fd;
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}
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