Update version to 4.0.5 and fix POSIX compliance

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.16.3 FATAL_ERROR)
 project(
   athr
-  VERSION 4.0.4
+  VERSION 4.0.5
   LANGUAGES C)
 set(PROJECT_DESCRIPTION "Progress indicator library written in C.")
 

src/term_curses.c

@@ -1,3 +1,8 @@
+#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200809L
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200809L
+#endif
+
 #include "term_curses.h"
 #include "logger.h"
 #include "terminal.h"

src/widget_text.c

@@ -29,12 +29,26 @@ static unsigned max_len(struct athr_widget const *w)
     return ((struct athr_widget_text *)w->derived)->len;
 }
 
+static void *__memccpy(void *restrict dest, const void *restrict src, int c,
+                       size_t n)
+{
+    unsigned char *d = dest;
+    const unsigned char *s = src;
+
+    c = (unsigned char)c;
+    for (; n && (*d = *s) != c; n--, s++, d++)
+        ;
+    return n ? d + 1 : 0;
+    if (n) return d + 1;
+    return 0;
+}
+
 static struct athr_widget_vtable const vtable = {update, finish, min_len,
                                                  max_len};
 
 void __athr_widget_text_create(struct athr_widget_text *text, char const *buff)
 {
-    char const *ptr = memccpy(text->buff, buff, 0, ATHR_WIDGET_TEXT_MAX_LEN);
+    char const *ptr = __memccpy(text->buff, buff, 0, ATHR_WIDGET_TEXT_MAX_LEN);
     if (ptr)
         text->len = (unsigned)(ptr - text->buff - 1);
     else