Some build warnings/fixes.

2 files changed, 7 insertions, 3 deletions

diff --git a/examples/regex2.c b/examples/regex2.c
index 45de9aba..96ac7ed4 100644
--- a/examples/regex2.c
+++ b/examples/regex2.c
@@ -5,7 +5,7 @@
 int main()
 {
     const char* inputs[] = {"date: 2024-02-29 leapyear day", "https://en.cppreference.com/w/cpp/regex/regex_search", "!123abcabc!"};
-    const char* patterns[] = {"(\\d\\d\\d\\d)-(1[0-2]|0[1-9])-(3[01]|[12][0-9]|0[1-9])",
+    const char* patterns[] = {"(\\d\\d\\d\\d)[-_](1[0-2]|0[1-9])[-_](3[01]|[12][0-9]|0[1-9])",
                               "(https?://|ftp://|www\\.)([0-9A-Za-z@:%_+~#=-]+\\.)+([a-z][a-z][a-z]?)(/[/0-9A-Za-z\\.@:%_+~#=\\?&-]*)?",
                               "!((abc|123)+)!",
     };
@@ -13,7 +13,11 @@ int main()
     {
         c_auto (cregex, re)
         {
-            re = cregex_new(patterns[i], 0);
+            int res = cregex_compile(&re, patterns[i], 0);
+            if (res < 0) {
+                printf("error in regex pattern: %d\n", res);
+                continue;
+            }
             cregmatch m[20];
             printf("input: %s\n", inputs[i]);
             if (cregex_find(&re, inputs[i], 20, m, 0) > 0)
diff --git a/examples/regex_match.c b/examples/regex_match.c
index be3c0682..c5798b60 100644
--- a/examples/regex_match.c
+++ b/examples/regex_match.c
@@ -26,7 +26,7 @@ int main()
         }
 
         while (cregex_find(&re, s, 1, m, creg_next) > 0) {
-            printf("%.*s ; ", m[0].len, m[0].str);
+            printf("%.*s ; ", (int)m[0].len, m[0].str);
         }
         puts("");
     }