From 9eda7fb6fb7f33e13d4e98a203276a324acd967c Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Sun, 23 Oct 2011 18:02:01 +0100
Subject: [PATCH] move strndup to libi3

---
 i3-config-wizard/main.c | 24 ------------------------
 i3bar/src/xcb.c         | 23 -----------------------
 include/libi3.h         | 12 ++++++++++++
 include/util.h          | 12 ------------
 libi3/strndup.c         | 37 +++++++++++++++++++++++++++++++++++++
 src/util.c              | 24 ------------------------
 6 files changed, 49 insertions(+), 83 deletions(-)
 create mode 100644 libi3/strndup.c

diff --git a/i3-config-wizard/main.c b/i3-config-wizard/main.c
index df0db1fc..09320dfb 100644
--- a/i3-config-wizard/main.c
+++ b/i3-config-wizard/main.c
@@ -74,30 +74,6 @@ Display *dpy;
 char *rewrite_binding(const char *bindingline);
 static void finish();
 
-#if defined(__APPLE__)
-
-/*
- * Taken from FreeBSD
- * Returns a pointer to a new string which is a duplicate of the
- * string, but only copies at most n characters.
- *
- */
-char *strndup(const char *str, size_t n) {
-    size_t len;
-    char *copy;
-
-    for (len = 0; len < n && str[len]; len++)
-        continue;
-
-    if ((copy = malloc(len + 1)) == NULL)
-        return (NULL);
-    memcpy(copy, str, len);
-    copy[len] = '\0';
-    return (copy);
-}
-
-#endif
-
 /*
  * This function resolves ~ in pathnames.
  * It may resolve wildcards in the first part of the path, but if no match
diff --git a/i3bar/src/xcb.c b/i3bar/src/xcb.c
index 40d19a3e..01caeeea 100644
--- a/i3bar/src/xcb.c
+++ b/i3bar/src/xcb.c
@@ -36,29 +36,6 @@
 #include "common.h"
 #include "libi3.h"
 
-#if defined(__APPLE__)
-
-/*
- * Taken from FreeBSD
- * Returns a pointer to a new string which is a duplicate of the
- * string, but only copies at most n characters.
- *
- */
-char *strndup(const char *str, size_t n) {
-    size_t len;
-    char *copy;
-
-    for (len = 0; len < n && str[len]; len++)
-        continue;
-
-    copy = smalloc(len + 1);
-    memcpy(copy, str, len);
-    copy[len] = '\0';
-    return (copy);
-}
-
-#endif
-
 /* We save the Atoms in an easy to access array, indexed by an enum */
 enum {
     #define ATOM_DO(name) name,
diff --git a/include/libi3.h b/include/libi3.h
index 797ba424..f4cd2160 100644
--- a/include/libi3.h
+++ b/include/libi3.h
@@ -109,4 +109,16 @@ void fake_configure_notify(xcb_connection_t *conn, xcb_rectangle_t r, xcb_window
  */
 uint32_t get_colorpixel(const char *hex) __attribute__((const));
 
+#if defined(__APPLE__)
+
+/*
+ * Taken from FreeBSD
+ * Returns a pointer to a new string which is a duplicate of the
+ * string, but only copies at most n characters.
+ *
+ */
+char *strndup(const char *str, size_t n);
+
+#endif
+
 #endif
diff --git a/include/util.h b/include/util.h
index efef0bd0..68009442 100644
--- a/include/util.h
+++ b/include/util.h
@@ -139,16 +139,4 @@ void *memmem(const void *l, size_t l_len, const void *s, size_t s_len);
 
 #endif
 
-#if defined(__APPLE__)
-
-/*
- * Taken from FreeBSD
- * Returns a pointer to a new string which is a duplicate of the
- * string, but only copies at most n characters.
- *
- */
-char *strndup(const char *str, size_t n);
-
-#endif
-
 #endif
diff --git a/libi3/strndup.c b/libi3/strndup.c
new file mode 100644
index 00000000..f02e0af5
--- /dev/null
+++ b/libi3/strndup.c
@@ -0,0 +1,37 @@
+/*
+ * vim:ts=4:sw=4:expandtab
+ *
+ * i3 - an improved dynamic tiling window manager
+ *
+ * © 2009-2011 Michael Stapelberg and contributors
+ *
+ * See file LICENSE for license information.
+ *
+ */
+#include <sys/types.h>
+#include <string.h>
+
+#include "libi3.h"
+
+#if defined(__APPLE__)
+
+/*
+ * Taken from FreeBSD
+ * Returns a pointer to a new string which is a duplicate of the
+ * string, but only copies at most n characters.
+ *
+ */
+char *strndup(const char *str, size_t n) {
+    size_t len;
+    char *copy;
+
+    for (len = 0; len < n && str[len]; len++)
+        continue;
+
+    copy = smalloc(len + 1);
+    memcpy(copy, str, len);
+    copy[len] = '\0';
+    return (copy);
+}
+
+#endif
diff --git a/src/util.c b/src/util.c
index fa50d2e8..f894eb3f 100644
--- a/src/util.c
+++ b/src/util.c
@@ -415,27 +415,3 @@ void *memmem(const void *l, size_t l_len, const void *s, size_t s_len) {
 }
 
 #endif
-
-#if defined(__APPLE__)
-
-/*
- * Taken from FreeBSD
- * Returns a pointer to a new string which is a duplicate of the
- * string, but only copies at most n characters.
- *
- */
-char *strndup(const char *str, size_t n) {
-    size_t len;
-    char *copy;
-
-    for (len = 0; len < n && str[len]; len++)
-        continue;
-
-    if ((copy = malloc(len + 1)) == NULL)
-        return (NULL);
-    memcpy(copy, str, len);
-    copy[len] = '\0';
-    return (copy);
-}
-
-#endif
-- 
2.39.5