feat(viv): implement `VIV_split` for future use

2 files changed, 19 insertions, 0 deletions

diff --git a/include/viv/viv.h b/include/viv/viv.h
index c6906ca..82c7583 100644
--- a/include/viv/viv.h
+++ b/include/viv/viv.h
@@ -6,8 +6,12 @@
 
 #pragma once
 
+typedef void(*split_fn)(const char *, int, void *);
+
 static const char *VIV_version = "1.0.0";
 
 int VIV_exit(int, const char *, ...);
+/* http://www.martinbroadhurst.com/split-a-string-in-c.html */
+void VIV_split(const char *, char, split_fn, void *);
 
 #endif /* VIV_VIV_H */
diff --git a/viv/viv.c b/viv/viv.c
index 410c14e..8759408 100644
--- a/viv/viv.c
+++ b/viv/viv.c
@@ -168,3 +168,18 @@ int VIV_exit(int exit_code, const char *format, ...) {
 
   return print_result;
 }
+
+void VIV_split(const char *string, char separator, split_fn function, void *data) {
+  unsigned int start, stop;
+
+  start, stop = 0;
+
+  for (stop = 0; string[stop]; ++stop) {
+    if (string[stop] == separator) {
+      function(string + start, stop - start, data);
+      start = stop + 1;
+    }
+  }
+
+  function(string + start, stop - start, data);
+}