X-Git-Url: http://the.earth.li/gitweb/?a=blobdiff_plain;f=ll.c;h=5936bf60d5665f444237561d6b612205a22c7dc0;hb=e01d2e2d07392eb03e4268fdc4f0f1339a9a9461;hp=71103786483d2bfc1fb7eeaf8879b9b894f06ea1;hpb=6d98e0138f8ef5963d98448871b13e1cf2356c64;p=onak.git diff --git a/ll.c b/ll.c index 7110378..5936bf6 100644 --- a/ll.c +++ b/ll.c @@ -81,3 +81,29 @@ unsigned long llsize(struct ll *curll) return count; } + +/** + * llfree - Frees a linked list. + * @curll: The list to free. + * @objectfree: A pointer to a free function for the object. + * + * Walks through a list and free it. If a function is provided for + * objectfree then it's called for each element to free them, if it's NULL + * just the list is freed. + */ +struct ll *llfree(struct ll *curll, + void (*objectfree) (void *object)) +{ + struct ll *nextll; + + while (curll != NULL) { + nextll = curll->next; + if (curll->object != NULL && objectfree != NULL) { + objectfree(curll->object); + curll->object = NULL; + } + free(curll); + curll = nextll; + } + return NULL; +}