diff options
Diffstat (limited to 'usr.bin/make/lst.lib/lstNext.c')
| -rw-r--r-- | usr.bin/make/lst.lib/lstNext.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/usr.bin/make/lst.lib/lstNext.c b/usr.bin/make/lst.lib/lstNext.c index 5d388af..f51d674 100644 --- a/usr.bin/make/lst.lib/lstNext.c +++ b/usr.bin/make/lst.lib/lstNext.c @@ -46,9 +46,8 @@ __FBSDID("$FreeBSD$"); * Return the next node for a list. * The sequential functions access the list in a slightly different way. * CurPtr points to their idea of the current node in the list and they - * access the list based on it. Because the list is circular, Lst_Next - * and Lst_Prev will go around the list forever. Lst_IsAtEnd must be - * used to determine when to stop. + * access the list based on it. Lst_IsAtEnd must be used to determine + * when to stop. */ #include "make.h" @@ -60,9 +59,8 @@ __FBSDID("$FreeBSD$"); * Return the next node for the given list. * * Results: - * The next node or NULL if the list has yet to be opened. Also - * if the list is non-circular and the end has been reached, NULL - * is returned. + * The next node or NULL if the list has yet to be opened or the end + * has been reached. * * Side Effects: * the curPtr field is updated. @@ -97,15 +95,9 @@ Lst_Next(Lst list) tln = list->curPtr->nextPtr; list->curPtr = tln; - if (tln == list->firstPtr || tln == NULL) { - /* - * If back at the front, then we've hit the end... - */ + if (tln == NULL) { list->atEnd = LstTail; } else { - /* - * Reset to Middle if gone past first. - */ list->atEnd = LstMiddle; } } |
