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Add isc_buffer_usedcount() and availablecount() -- which should become macros

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This commit is contained in:
Michael Graff
1999-09-06 04:45:13 +00:00
parent c520793fb9
commit e4f133deed
2 changed files with 35 additions and 2 deletions
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15
lib/isc/buffer.c
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@@ -104,6 +104,14 @@ isc_buffer_used(isc_buffer_t *b, isc_region_t *r) {
r->length = b->used;
}
unsigned int
isc_buffer_usedcount(isc_buffer_t *b)
{
REQUIRE(VALID_BUFFER(b));
return (b->used);
}
void
isc_buffer_available(isc_buffer_t *b, isc_region_t *r) {
/*
@@ -117,6 +125,13 @@ isc_buffer_available(isc_buffer_t *b, isc_region_t *r) {
r->length = b->length - b->used;
}
unsigned int
isc_buffer_availablecount(isc_buffer_t *b)
{
REQUIRE(VALID_BUFFER(b));
return (b->length - b->used);
}
void
isc_buffer_add(isc_buffer_t *b, unsigned int n) {

22
lib/isc/include/isc/buffer.h
View File

@@ -141,8 +141,6 @@ struct isc_buffer {
isc_mem_t *mctx;
};
typedef ISC_LIST(isc_buffer_t) isc_bufferlist_t;
/***
*** Functions
***/
@@ -248,6 +246,16 @@ isc_buffer_used(isc_buffer_t *b, isc_region_t *r);
* 'r' points to a region structure.
*/
unsigned int
isc_buffer_usedcount(isc_buffer_t *b);
/*
* Return the size of the used region of buffer 'b'
*
* Requires:
*
* 'b' is a valid buffer.
*/
void
isc_buffer_available(isc_buffer_t *b, isc_region_t *r);
/*
@@ -260,6 +268,16 @@ isc_buffer_available(isc_buffer_t *b, isc_region_t *r);
* 'r' points to a region structure.
*/
unsigned int
isc_buffer_availablecount(isc_buffer_t *b);
/*
* Return the size of the available region of buffer 'b'
*
* Requires:
*
* 'b' is a valid buffer.
*/
void
isc_buffer_add(isc_buffer_t *b, unsigned int n);
/*