development branch for 4.2

Removed uses of c_auto and c_with in documentation examples and code examples. Still using c_defer a few places.
Renamed c11/fmt.h to c11/print.h.
Some additions in ccommon.h, e.g. c_const_cast(T, x).
Improved docs.

1 files changed, 18 insertions, 16 deletions

diff --git a/misc/examples/regex1.c b/misc/examples/regex1.c
index c311e455..4a56b8ac 100644
--- a/misc/examples/regex1.c
+++ b/misc/examples/regex1.c
@@ -7,24 +7,26 @@ int main(int argc, char* argv[])
         printf("Usage: regex1 -i\n");
         return 0;
     }
-    c_auto (cstr, input)
-    c_auto (cregex, float_expr)
+    cstr input = {0};
+    cregex float_expr = {0};
+
+    int res = cregex_compile(&float_expr, "^[+-]?[0-9]+((\\.[0-9]*)?|\\.[0-9]+)$");
+    // Until "q" is given, ask for another number
+    if (res > 0) while (true)
     {
-        int res = cregex_compile(&float_expr, "^[+-]?[0-9]+((\\.[0-9]*)?|\\.[0-9]+)$");
-        // Until "q" is given, ask for another number
-        if (res > 0) while (true)
-        {
-            printf("Enter a double precision number (q for quit): ");
-            cstr_getline(&input, stdin);
+        printf("Enter a double precision number (q for quit): ");
+        cstr_getline(&input, stdin);
 
-            // Exit when the user inputs q
-            if (cstr_equals(&input, "q"))
-                break;
+        // Exit when the user inputs q
+        if (cstr_equals(&input, "q"))
+            break;
 
-            if (cregex_is_match(&float_expr, cstr_str(&input)))
-                printf("Input is a float\n");
-            else
-                printf("Invalid input : Not a float\n");
-        }
+        if (cregex_is_match(&float_expr, cstr_str(&input)))
+            printf("Input is a float\n");
+        else
+            printf("Invalid input : Not a float\n");
     }
+
+    cstr_drop(&input);
+    cregex_drop(&float_expr);
 }