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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14685 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
241
library/stdio_init_exit.c
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241
library/stdio_init_exit.c
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@ -0,0 +1,241 @@
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/*
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* $Id: stdio_init_exit.c,v 1.1.1.1 2004-07-26 16:31:36 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2004 by Olaf Barthel <olsen@sourcery.han.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _STDLIB_MEM_DEBUG_H
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#include "stdlib_mem_debug.h"
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#endif /* _STDLIB_MEM_DEBUG_H */
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/****************************************************************************/
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#ifndef _STDIO_HEADERS_H
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#include "stdio_headers.h"
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#endif /* _STDIO_HEADERS_H */
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#ifndef _UNISTD_HEADERS_H
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#include "unistd_headers.h"
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#endif /* _UNISTD_HEADERS_H */
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/****************************************************************************/
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#include "stdlib_protos.h"
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/****************************************************************************/
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void
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__stdio_exit(void)
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{
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int i;
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ENTER();
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__check_abort_enabled = FALSE;
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if(__iob != NULL)
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{
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for(i = 0 ; i < __num_iob ; i++)
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{
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if(FLAG_IS_SET(__iob[i]->iob_Flags,IOBF_IN_USE))
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fclose((FILE *)__iob[i]);
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}
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__num_iob = 0;
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__iob = NULL;
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}
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if(__fd != NULL)
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{
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for(i = 0 ; i < __num_fd ; i++)
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{
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if(FLAG_IS_SET(__fd[i]->fd_Flags,FDF_IN_USE))
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close(i);
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}
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__num_fd = 0;
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__fd = NULL;
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}
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LEAVE();
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}
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/****************************************************************************/
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int
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__stdio_init(void)
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{
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const int num_standard_files = 3;
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BPTR default_file;
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ULONG fd_flags,iob_flags;
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int result = ERROR;
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char * buffer;
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char * aligned_buffer;
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int i;
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ENTER();
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__iob = malloc(sizeof(*__iob) * num_standard_files);
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if(__iob == NULL)
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goto out;
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for(i = 0 ; i < num_standard_files ; i++)
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{
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__iob[i] = malloc(sizeof(*__iob[i]));
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if(__iob[i] == NULL)
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goto out;
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memset(__iob[i],0,sizeof(*__iob[i]));
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}
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__num_iob = num_standard_files;
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__fd = malloc(sizeof(*__fd) * num_standard_files);
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if(__fd == NULL)
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goto out;
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for(i = 0 ; i < num_standard_files ; i++)
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{
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__fd[i] = malloc(sizeof(*__fd[i]));
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if(__fd[i] == NULL)
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goto out;
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memset(__fd[i],0,sizeof(*__fd[i]));
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}
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__num_fd = num_standard_files;
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/* Now initialize the standard I/O streams (input, output, error). */
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for(i = STDIN_FILENO ; i <= STDERR_FILENO ; i++)
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{
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PROFILE_OFF();
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switch(i)
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{
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case STDIN_FILENO:
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iob_flags = IOBF_IN_USE | IOBF_READ | IOBF_NO_NUL | IOBF_BUFFER_MODE_LINE;
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fd_flags = FDF_IN_USE | FDF_READ | FDF_NO_CLOSE;
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default_file = Input();
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break;
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case STDOUT_FILENO:
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iob_flags = IOBF_IN_USE | IOBF_WRITE | IOBF_NO_NUL | IOBF_BUFFER_MODE_LINE;
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fd_flags = FDF_IN_USE | FDF_WRITE | FDF_NO_CLOSE;
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default_file = Output();
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break;
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case STDERR_FILENO:
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default:
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iob_flags = IOBF_IN_USE | IOBF_WRITE | IOBF_NO_NUL | IOBF_BUFFER_MODE_NONE;
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fd_flags = FDF_IN_USE | FDF_WRITE;
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default_file = ZERO;
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break;
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}
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PROFILE_ON();
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/* Allocate a little more memory than necessary. */
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buffer = malloc(BUFSIZ + 15);
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if(buffer == NULL)
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goto out;
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/* Align the buffer start address to a cache line boundary. */
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aligned_buffer = (char *)((ULONG)(buffer + 15) & ~15UL);
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__initialize_fd(__fd[i],(HOOKFUNC)__fd_hook_entry,default_file,fd_flags);
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__initialize_iob(__iob[i],(HOOKFUNC)__iob_hook_entry,
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buffer,
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aligned_buffer,BUFSIZ,
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i,
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i,
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iob_flags);
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}
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/* If the program was launched from Workbench, we continue by
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* duplicating the default output stream for use as the
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* standard error stream.
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*/
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if(__WBenchMsg != NULL)
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{
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PROFILE_OFF();
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__fd[STDERR_FILENO]->fd_DefaultFile = Output();
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PROFILE_ON();
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SET_FLAG(__fd[STDERR_FILENO]->fd_Flags,FDF_NO_CLOSE);
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}
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else
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{
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struct Process * this_process = (struct Process *)FindTask(NULL);
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/* Is the standard error stream configured? If so, use it.
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* Otherwise, try to duplicate the standard output stream.
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*/
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if(this_process->pr_CES != ZERO)
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{
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__fd[STDERR_FILENO]->fd_DefaultFile = this_process->pr_CES;
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SET_FLAG(__fd[STDERR_FILENO]->fd_Flags,FDF_NO_CLOSE);
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}
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else if (__fd[STDOUT_FILENO]->fd_DefaultFile != ZERO)
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{
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struct FileHandle * fh = (struct FileHandle *)BADDR(__fd[STDOUT_FILENO]->fd_DefaultFile);
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/* Careful, this could be "NIL:". */
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if(fh->fh_Type != NULL)
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__fd[STDERR_FILENO]->fd_DefaultFile = Open("CONSOLE:",MODE_NEWFILE);
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}
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}
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PROFILE_OFF();
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/* Check if the standard error output refers to a console or must
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* be considered unusable for console output.
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*/
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if(__fd[STDERR_FILENO]->fd_DefaultFile == ZERO ||
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((struct FileHandle *)BADDR(__fd[STDERR_FILENO]->fd_DefaultFile))->fh_Type == NULL ||
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NOT IsInteractive(__fd[STDERR_FILENO]->fd_DefaultFile))
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{
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/* The standard I/O streams are no longer attached to a console. */
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__no_standard_io = TRUE;
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}
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PROFILE_ON();
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result = OK;
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out:
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RETURN(result);
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return(result);
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}
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