From cccc5454c259d0d4ca600b3e1165979c352be54f Mon Sep 17 00:00:00 2001
From: default <nobody@localhost>
Date: Thu, 9 May 2024 09:31:10 +0200
Subject: [PATCH] Added a maximum results argument to content_search().

---
 data.c     | 11 ++++++++---
 main.c     |  2 +-
 mastoapi.c |  4 ++--
 snac.h     |  2 +-
 4 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/data.c b/data.c
index 75149e2..78de21b 100644
--- a/data.c
+++ b/data.c
@@ -2491,9 +2491,12 @@ void notify_clear(snac *snac)
 
 /** searches **/
 
-xs_list *content_search(snac *user, const char *regex, int priv, int max_secs, int *timeout)
+xs_list *content_search(snac *user, const char *regex, int priv, int max_secs, int max_res, int *timeout)
 /* returns a list of posts which content matches the regex */
 {
+    if (regex == NULL || *regex == '\0')
+        return xs_list_new();
+
     xs_set seen;
 
     xs_set_init(&seen);
@@ -2517,7 +2520,7 @@ xs_list *content_search(snac *user, const char *regex, int priv, int max_secs, i
     xs_list_next(pub_tl,  &pub_md5,  &pub_c);
     xs_list_next(priv_tl, &priv_md5, &priv_c);
 
-    for (;;) {
+    while (max_res > 0) {
         char *md5 = NULL;
         enum { NONE, PUBLIC, PRIVATE } from = NONE;
 
@@ -2587,8 +2590,10 @@ xs_list *content_search(snac *user, const char *regex, int priv, int max_secs, i
         /* apply regex */
         xs *l = xs_regex_select_n(c, regex, 1);
 
-        if (xs_list_len(l))
+        if (xs_list_len(l)) {
             xs_set_add(&seen, md5);
+            max_res--;
+        }
     }
 
     return xs_set_result(&seen);
diff --git a/main.c b/main.c
index bd52b19..5e37340 100644
--- a/main.c
+++ b/main.c
@@ -379,7 +379,7 @@ int main(int argc, char *argv[])
         int to;
 
         /* 'url' contains the regex */
-        xs *r = content_search(&snac, url, 1, 10, &to);
+        xs *r = content_search(&snac, url, 1, 10, XS_ALL, &to);
 
         int c = 0;
         char *v;
diff --git a/mastoapi.c b/mastoapi.c
index 253021b..cbc965c 100644
--- a/mastoapi.c
+++ b/mastoapi.c
@@ -2260,10 +2260,10 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
                     if (xs_is_null(type) || strcmp(type, "statuses") == 0) {
                         int to = 0;
-                        xs *tl = content_search(&snac1, q, 1, 0, &to);
+                        int cnt = 40;
+                        xs *tl = content_search(&snac1, q, 1, 0, cnt, &to);
                         int c = 0;
                         char *v;
-                        int cnt = 40;
 
                         while (xs_list_next(tl, &v, &c) && --cnt) {
                             xs *post = NULL;
diff --git a/snac.h b/snac.h
index e04dc65..579d149 100644
--- a/snac.h
+++ b/snac.h
@@ -179,7 +179,7 @@ xs_list *list_timeline(snac *user, const char *list, int skip, int show);
 xs_val *list_content(snac *user, const char *list_id, const char *actor_md5, int op);
 void list_distribute(snac *user, const char *who, const xs_dict *post);
 
-xs_list *content_search(snac *user, const char *regex, int priv, int max_secs, int *timeout);
+xs_list *content_search(snac *user, const char *regex, int priv, int max_secs, int max_res, int *timeout);
 
 int actor_add(const char *actor, xs_dict *msg);
 int actor_get(const char *actor, xs_dict **data);