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Moved iobuf.h assertions outside the static inline functions, so that

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the assert message's file and line number gives some clue as to the
real location of the problem.

Added similar assertions to list.h.
This commit is contained in:
Michael Brown 2007-09-17 18:38:04 +01:00
parent 771455653b
commit f09173326c
2 changed files with 42 additions and 4 deletions
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28
src/include/gpxe/iobuf.h
View File

@ -67,9 +67,13 @@ struct io_buffer {
static inline void * iob_reserve ( struct io_buffer *iobuf, size_t len ) {
iobuf->data += len;
iobuf->tail += len;
assert ( iobuf->tail <= iobuf->end );
return iobuf->data;
}
#define iob_reserve( iobuf, len ) ( { \
void *__result; \
__result = iob_reserve ( (iobuf), (len) ); \
assert ( (iobuf)->tail <= (iobuf)->end ); \
__result; } )
/**
* Add data to start of I/O buffer
@ -80,9 +84,13 @@ static inline void * iob_reserve ( struct io_buffer *iobuf, size_t len ) {
*/
static inline void * iob_push ( struct io_buffer *iobuf, size_t len ) {
iobuf->data -= len;
assert ( iobuf->data >= iobuf->head );
return iobuf->data;
}
#define iob_push( iobuf, len ) ( { \
void *__result; \
__result = iob_push ( (iobuf), (len) ); \
assert ( (iobuf)->data >= (iobuf)->head ); \
__result; } )
/**
* Remove data from start of I/O buffer
@ -96,6 +104,11 @@ static inline void * iob_pull ( struct io_buffer *iobuf, size_t len ) {
assert ( iobuf->data <= iobuf->tail );
return iobuf->data;
}
#define iob_pull( iobuf, len ) ( { \
void *__result; \
__result = iob_pull ( (iobuf), (len) ); \
assert ( (iobuf)->data <= (iobuf)->tail ); \
__result; } )
/**
* Add data to end of I/O buffer
@ -107,9 +120,13 @@ static inline void * iob_pull ( struct io_buffer *iobuf, size_t len ) {
static inline void * iob_put ( struct io_buffer *iobuf, size_t len ) {
void *old_tail = iobuf->tail;
iobuf->tail += len;
assert ( iobuf->tail <= iobuf->end );
return old_tail;
}
#define iob_put( iobuf, len ) ( { \
void *__result; \
__result = iob_put ( (iobuf), (len) ); \
assert ( (iobuf)->tail <= (iobuf)->end ); \
__result; } )
/**
* Remove data from end of I/O buffer
@ -119,8 +136,11 @@ static inline void * iob_put ( struct io_buffer *iobuf, size_t len ) {
*/
static inline void iob_unput ( struct io_buffer *iobuf, size_t len ) {
iobuf->tail -= len;
assert ( iobuf->tail >= iobuf->data );
}
#define iob_unput( iobuf, len ) do { \
iob_unput ( (iobuf), (len) ); \
assert ( (iobuf)->tail >= (iobuf)->data ); \
} while ( 0 )
/**
* Empty an I/O buffer

18
src/include/gpxe/list.h
View File

@ -10,6 +10,7 @@
*/
#include <stddef.h>
#include <assert.h>
/*
* Simple doubly linked list implementation.
@ -62,6 +63,11 @@ static inline void __list_add ( struct list_head *new,
static inline void list_add ( struct list_head *new, struct list_head *head ) {
__list_add ( new, head, head->next );
}
#define list_add( new, head ) do { \
assert ( (head)->next->prev == (head) ); \
assert ( (head)->prev->next == (head) ); \
list_add ( (new), (head) ); \
} while ( 0 )
/**
* Add a new entry to the tail of a list
@ -76,6 +82,11 @@ static inline void list_add_tail ( struct list_head *new,
struct list_head *head ) {
__list_add ( new, head->prev, head );
}
#define list_add_tail( new, head ) do { \
assert ( (head)->next->prev == (head) ); \
assert ( (head)->prev->next == (head) ); \
list_add_tail ( (new), (head) ); \
} while ( 0 )
/*
* Delete a list entry by making the prev/next entries
@ -101,6 +112,13 @@ static inline void __list_del ( struct list_head * prev,
static inline void list_del ( struct list_head *entry ) {
__list_del ( entry->prev, entry->next );
}
#define list_del( entry ) do { \
assert ( (entry)->prev != NULL ); \
assert ( (entry)->next != NULL ); \
assert ( (entry)->next->prev == (entry) ); \
assert ( (entry)->prev->next == (entry) ); \
list_del ( (entry) ); \
} while ( 0 )
/**
* Test whether a list is empty