Method
GioInputStreamread_all
Declaration
gboolean
g_input_stream_read_all (
GInputStream* stream,
void* buffer,
gsize count,
gsize* bytes_read,
GCancellable* cancellable,
GError** error
)
Description
Tries to read count bytes from the stream into the buffer starting at
buffer. Will block during this read.
This function is similar to g_input_stream_read(), except it tries to read as many bytes as requested, only stopping on an error or end of stream.
On a successful read of count bytes, or if we reached the end of the
stream, TRUE is returned, and bytes_read is set to the number of bytes
read into buffer.
If there is an error during the operation FALSE is returned and error
is set to indicate the error status.
As a special exception to the normal conventions for functions that
use GError, if this function returns FALSE (and sets error) then
bytes_read will be set to the number of bytes that were successfully
read before the error was encountered. This functionality is only
available from C. If you need it from another language then you must
write your own loop around g_input_stream_read().
Parameters
buffer-
Type: An array of
guint8a buffer to read data into (which should be at least count bytes long).The argument will be set by the function. The length of the array is specified in the countargument.The data is owned by the caller of the function. count-
Type:
gsizeThe number of bytes that will be read from the stream.
bytes_read-
Type:
gsize*Location to store the number of bytes that was read from the stream.
The argument will be set by the function. cancellable-
Type:
GCancellableOptional
GCancellableobject,NULLto ignore.The argument can be NULL.The data is owned by the caller of the function. error-
Type:
GError **The return location for a recoverable error.
The argument can be NULL.If the return location is not NULL, then you must initialize it to aNULLGError*.The argument will left initialized to NULLby the method if there are no errors.In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.