UDI_BUF_DELETE(3udi)

---

Delete bytes from a logical buffer

SYNOPSIS

#include <udi.h>

#define \

   UDI_BUF_DELETE( \

	callback, gcb, size, dst_buf, dst_off) \

		udi_buf_write(callback, gcb, NULL, \

			         0, dst_buf, dst_off, \

			          size, UDI_NULL_BUF_PATH)
 

ARGUMENTS callback, gcb are standard arguments described in the "Asynchronous Service Calls" section of "Calling Sequence and Naming Conventions".

size is the number of bytes to delete from dst_buf.

dst_buf is a handle to the logical buffer from which to delete bytes.

dst_off is the logical offset from the first valid data byte in the buffer to the start of the deletion, in bytes.

DESCRIPTION UDI_BUF_DELETE deletes size bytes from dst_buf starting at offset dst_off, logically moving any additional data "up" to fill the gap.

The macro UDI_BUF_DELETE must be called as if it had the following functional interface, as can be derived from the above macro definition and the definition of udi_buf_write:

void UDI_BUF_DELETE (

	udi_buf_write_call_t *callback,

	udi_cb_t *gcb,

	udi_size_t size,

	udi_buf_t *dst_buf,

	udi_size_t dst_off );
 
typedef void udi_buf_write_call_t (

	udi_cb_t *gcb, 

	udi_buf_t *new_dst_buf );
 

REFERENCES udi_buf_write