From b7c15c31519dc44c1f691e0466badd556ffe9423 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:18:56 +0200 Subject: Adding upstream version 3.7.10. Signed-off-by: Daniel Baumann --- src/global/tok822_find.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 src/global/tok822_find.c (limited to 'src/global/tok822_find.c') diff --git a/src/global/tok822_find.c b/src/global/tok822_find.c new file mode 100644 index 0000000..c815646 --- /dev/null +++ b/src/global/tok822_find.c @@ -0,0 +1,69 @@ +/*++ +/* NAME +/* tok822_find 3 +/* SUMMARY +/* token list search operators +/* SYNOPSIS +/* #include +/* +/* TOK822 *tok822_find_type(head, type) +/* TOK822 *head; +/* int type; +/* +/* TOK822 *tok822_rfind_type(tail, type) +/* TOK822 *tail; +/* int type; +/* DESCRIPTION +/* This module implements token list search operations. +/* +/* tok822_find_type() searches a list of tokens for the first +/* instance of the specified token type. The result is the +/* found token or a null pointer when the search failed. +/* +/* tok822_rfind_type() searches a list of tokens in reverse direction +/* for the first instance of the specified token type. The result +/* is the found token or a null pointer when the search failed. +/* LICENSE +/* .ad +/* .fi +/* The Secure Mailer license must be distributed with this software. +/* AUTHOR(S) +/* Wietse Venema +/* IBM T.J. Watson Research +/* P.O. Box 704 +/* Yorktown Heights, NY 10598, USA +/*--*/ + +/* System library. */ + +#include + +/* Utility library. */ + +#include + +/* Global library. */ + +#include + +/* tok822_find_type - find specific token type, forward search */ + +TOK822 *tok822_find_type(TOK822 *head, int op) +{ + TOK822 *tp; + + for (tp = head; tp != 0 && tp->type != op; tp = tp->next) + /* void */ ; + return (tp); +} + +/* tok822_rfind_type - find specific token type, backward search */ + +TOK822 *tok822_rfind_type(TOK822 *tail, int op) +{ + TOK822 *tp; + + for (tp = tail; tp != 0 && tp->type != op; tp = tp->prev) + /* void */ ; + return (tp); +} -- cgit v1.2.3