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stream/fileoutstream: Add open interface for coredump

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Signed-off-by: yangao1 <yangao1@xiaomi.com>
This commit is contained in:
yangao1 2025-04-15 20:39:42 +08:00 • committed by Donny(董九柱)
parent 47dd21c3c1
commit c560db04a6
2 changed files with 49 additions and 12 deletions
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2
include/nuttx/streams.h
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@ -220,7 +220,7 @@ struct lib_fileinstream_s
struct lib_fileoutstream_s struct lib_fileoutstream_s
{ {
struct lib_outstream_s common; struct lib_outstream_s common;
FAR struct file *file; struct file file;
}; };
struct lib_rawsistream_s struct lib_rawsistream_s

59
libs/libc/stream/lib_fileoutstream.c
View file

@ -51,7 +51,7 @@ static ssize_t fileoutstream_puts(FAR struct lib_outstream_s *self,
do do
{ {
nwritten = file_write(stream->file, buf, len); nwritten = file_write(&stream->file, buf, len);
if (nwritten >= 0) if (nwritten >= 0)
{ {
self->nput += nwritten; self->nput += nwritten;
@ -85,28 +85,65 @@ static void fileoutstream_putc(FAR struct lib_outstream_s *self, int ch)
****************************************************************************/ ****************************************************************************/
/**************************************************************************** /****************************************************************************
* Name: lib_fileoutstream * Name: lib_fileoutstream_open
* *
* Description: * Description:
* Initializes a stream for use with a file descriptor. * Initializes a stream for use with a file descriptor.
* This function sets up the stream structure to enable writing to a file
* specified by the provide path. It initializes the necessary function
* pointers for character and string output, as well as the flush behavior.
*
* Input Parameters:
* stream - User allocated, uninitialized instance of struct
* lib_rawoutstream_s to be initialized.
* path - Path to file to open.
* oflag - Open flags.
* mode - Mode flags.
*
* Returned Value:
* 0 on success, negative error code in failuer.
*
****************************************************************************/
int lib_fileoutstream_open(FAR struct lib_fileoutstream_s *stream,
FAR const char *path, int oflag, mode_t mode)
{
int ret;
ret = file_open(&stream->file, path, oflag, mode);
if (ret < 0)
{
return ret;
}
stream->common.putc = fileoutstream_putc;
stream->common.puts = fileoutstream_puts;
stream->common.flush = lib_noflush;
stream->common.nput = 0;
return 0;
}
/****************************************************************************
* Name: lib_fileoutstream_close
*
* Description:
* Closes the file associated with the stream.
* *
* Input Parameters: * Input Parameters:
* stream - User allocated, uninitialized instance of struct * stream - User allocated, uninitialized instance of struct
* lib_rawoutstream_s to be initialized. * lib_rawoutstream_s to be initialized.
* file - User provided FILE instance (must have been opened for
* write access).
* *
* Returned Value: * Returned Value:
* None (User allocated instance initialized). * None (User allocated instance initialized).
* *
****************************************************************************/ ****************************************************************************/
void lib_fileoutstream(FAR struct lib_fileoutstream_s *stream, void lib_fileoutstream_close(FAR struct lib_fileoutstream_s *stream)
FAR struct file *file)
{ {
stream->common.putc = fileoutstream_putc; if (stream != NULL)
stream->common.puts = fileoutstream_puts; {
stream->common.flush = lib_noflush; file_close(&stream->file);
stream->common.nput = 0; stream->common.nput = 0;
stream->file = file; }
} }