From a2920800007c291bdf2b5264622cbc713d4961ee Mon Sep 17 00:00:00 2001
From: default <nobody@localhost>
Date: Sat, 25 May 2024 08:24:08 +0200
Subject: [PATCH] Backport from xs (fix regex.h compilation with tcc).

---
 xs.h         | 24 +++++++++++-------------
 xs_regex.h   |  5 +++++
 xs_set.h     |  5 ++---
 xs_url.h     |  5 ++---
 xs_version.h |  2 +-
 5 files changed, 21 insertions(+), 20 deletions(-)

diff --git a/xs.h b/xs.h
index f361830..972665c 100644
--- a/xs.h
+++ b/xs.h
@@ -798,11 +798,10 @@ int xs_list_len(const xs_list *list)
 {
     XS_ASSERT_TYPE_NULL(list, XSTYPE_LIST);
 
-    int c = 0;
-    xs_list *p = (xs_list *)list;
+    int c = 0, ct = 0;
     const xs_val *v;
 
-    while (xs_list_iter(&p, &v))
+    while (xs_list_next(list, &v, &ct))
         c++;
 
     return c;
@@ -817,11 +816,10 @@ const xs_val *xs_list_get(const xs_list *list, int num)
     if (num < 0)
         num = xs_list_len(list) + num;
 
-    int c = 0;
-    xs_list *p = (xs_list *)list;
+    int c = 0, ct = 0;
     const xs_val *v;
 
-    while (xs_list_iter(&p, &v)) {
+    while (xs_list_next(list, &v, &ct)) {
         if (c == num)
             return v;
 
@@ -880,16 +878,16 @@ xs_list *xs_list_dequeue(xs_list *list, xs_val **data, int last)
 {
     XS_ASSERT_TYPE(list, XSTYPE_LIST);
 
-    xs_list *p = list;
+    int ct = 0;
     const xs_val *v = NULL;
 
     if (!last) {
         /* get the first */
-        xs_list_iter(&p, &v);
+        xs_list_next(list, &v, &ct);
     }
     else {
         /* iterate to the end */
-        while (xs_list_iter(&p, &v));
+        while (xs_list_next(list, &v, &ct));
     }
 
     if (v != NULL) {
@@ -909,11 +907,11 @@ int xs_list_in(const xs_list *list, const xs_val *val)
     XS_ASSERT_TYPE_NULL(list, XSTYPE_LIST);
 
     int n = 0;
-    xs_list *p = (xs_list *)list;
+    int ct = 0;
     const xs_val *v;
     int sz = xs_size(val);
 
-    while (xs_list_iter(&p, &v)) {
+    while (xs_list_next(list, &v, &ct)) {
         if (sz == xs_size(v) && memcmp(val, v, sz) == 0)
             return n;
 
@@ -930,13 +928,13 @@ xs_str *xs_join(const xs_list *list, const char *sep)
     XS_ASSERT_TYPE(list, XSTYPE_LIST);
 
     xs_str *s = NULL;
-    xs_list *p = (xs_list *)list;
     const xs_val *v;
     int c = 0;
+    int ct = 0;
     int offset = 0;
     int ssz = strlen(sep);
 
-    while (xs_list_iter(&p, &v)) {
+    while (xs_list_next(list, &v, &ct)) {
         /* refuse to join non-string values */
         if (xs_type(v) == XSTYPE_STRING) {
             int sz;
diff --git a/xs_regex.h b/xs_regex.h
index cdb2cf8..d8d2d1d 100644
--- a/xs_regex.h
+++ b/xs_regex.h
@@ -16,6 +16,11 @@ xs_list *xs_regex_replace_in(xs_str *str, const char *rx, const char *rep, int c
 
 #ifdef XS_IMPLEMENTATION
 
+#ifdef __TINYC__
+/* fix a compilation error in tcc */
+#define _REGEX_NELTS(n)
+#endif
+
 #include <regex.h>
 
 xs_list *xs_regex_split_n(const char *str, const char *rx, int count)
diff --git a/xs_set.h b/xs_set.h
index 12bac94..d320d34 100644
--- a/xs_set.h
+++ b/xs_set.h
@@ -85,7 +85,6 @@ int xs_set_add(xs_set *s, const xs_val *data)
 {
     /* is it 'full'? */
     if (s->used >= s->elems / 2) {
-        char *p;
         const xs_val *v;
 
         /* expand! */
@@ -96,8 +95,8 @@ int xs_set_add(xs_set *s, const xs_val *data)
         memset(s->hash, '\0', s->elems * sizeof(int));
 
         /* add the list elements back */
-        p = s->list;
-        while (xs_list_iter(&p, &v))
+        int ct = 0;
+        while (xs_list_next(s->list, &v, &ct))
             _store_hash(s, v, v - s->list);
     }
 
diff --git a/xs_url.h b/xs_url.h
index 488a65f..606c3e4 100644
--- a/xs_url.h
+++ b/xs_url.h
@@ -51,11 +51,10 @@ xs_dict *xs_url_vars(const char *str)
         /* split by arguments */
         xs *args = xs_split(str, "&");
 
-        xs_list *l;
+        int ct = 0;
         const xs_val *v;
 
-        l = args;
-        while (xs_list_iter(&l, &v)) {
+        while (xs_list_next(args, &v, &ct)) {
             xs *kv = xs_split_n(v, "=", 1);
 
             if (xs_list_len(kv) == 2) {
diff --git a/xs_version.h b/xs_version.h
index 9fb70ef..7a7ba53 100644
--- a/xs_version.h
+++ b/xs_version.h
@@ -1 +1 @@
-/* 65265483c102909393287bfb173d1a7ae9c3be00 2024-05-23T09:57:20+02:00 */
+/* 65769f25ed99b886a643522bef21628396cd118d 2024-05-25T08:18:51+02:00 */