per line

1 files changed, 9 insertions, 2 deletions

diff --git a/src/common.cpp b/src/common.cpp
index be45494..d608a22 100644
--- a/src/common.cpp
+++ b/src/common.cpp
@@ -19,6 +19,13 @@ line_view load_file(const char* path) {
   return lv;
 }
 
-line_view next_line(line_view file) {
-  return {nullptr, 0};
+line_view next_line(line_view file, size_t* offset) {
+  const char* p1 = file.line + *offset;
+  const char* p2 = p1;
+  const char* end = file.line + file.length;
+  while (p2 < end && *p2 != '\n') {
+    p2++;
+  }
+  *offset = p2 - file.line + 1;
+  return {p1, static_cast<size_t>(p2 - p1 + 1)};
 }