istream_reset_wr()

Resets the writing pointer of the gbuffer_t * associated with the given istream_h. This effectively clears any written data in the buffer, making it empty for future writes.

C

Prototype

PUBLIC int istream_reset_wr(
    istream_h   istream
);

Parameters

Key	Type	Description
istream	istream_h	The handle to the istream whose writing pointer needs to be reset.

---

Return Value

Returns 0 if the operation was successful. Returns -1 if the istream or its associated gbuffer_t * is NULL.

Notes

• This function logs an error if the istream or its buffer is invalid.

• It does not affect the reading pointer or any other attributes of the istream.

Example Usage This function can be used when you need to clear the writing pointer and start writing new data into the istream_h without affecting its reading pointer.

JS

Prototype

// Not applicable in JS

Python

Prototype

# Not applicable in Python

Examples

C

// TODO C examples

JS

// TODO JS examples

Python

# TODO Python examples