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LibC: Add POSIX spec comments for search APIs

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This commit is contained in:
Brian Gianforcaro 2021-12-21 15:58:29 -08:00 • committed by Brian Gianforcaro
parent 140a544051
commit ea355fbf17
1 changed files with 4 additions and 0 deletions
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4
Userland/Libraries/LibC/search.cpp
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@ -36,6 +36,7 @@ void delete_node_recursive(struct search_tree_node* node)
extern "C" { extern "C" {
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/tsearch.html
void* tsearch(const void* key, void** rootp, int (*comparator)(const void*, const void*)) void* tsearch(const void* key, void** rootp, int (*comparator)(const void*, const void*))
{ {
if (!rootp) if (!rootp)
@ -69,6 +70,7 @@ void* tsearch(const void* key, void** rootp, int (*comparator)(const void*, cons
VERIFY_NOT_REACHED(); VERIFY_NOT_REACHED();
} }
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/tfind.html
void* tfind(const void* key, void* const* rootp, int (*comparator)(const void*, const void*)) void* tfind(const void* key, void* const* rootp, int (*comparator)(const void*, const void*))
{ {
if (!rootp) if (!rootp)
@ -90,6 +92,7 @@ void* tfind(const void* key, void* const* rootp, int (*comparator)(const void*,
return nullptr; return nullptr;
} }
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/tdelete.html
void* tdelete(const void*, void**, int (*)(const void*, const void*)) void* tdelete(const void*, void**, int (*)(const void*, const void*))
{ {
dbgln("FIXME: Implement tdelete()"); dbgln("FIXME: Implement tdelete()");
@ -113,6 +116,7 @@ static void twalk_internal(const struct search_tree_node* node, void (*action)(c
action(node, endorder, depth); action(node, endorder, depth);
} }
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/twalk.html
void twalk(const void* rootp, void (*action)(const void*, VISIT, int)) void twalk(const void* rootp, void (*action)(const void*, VISIT, int))
{ {
auto node = static_cast<const struct search_tree_node*>(rootp); auto node = static_cast<const struct search_tree_node*>(rootp);