1 files changed, 22 insertions, 3 deletions
diff --git a/src/common.cpp b/src/common.cpp
index 8ac3a96..d4457c6 100644
--- a/src/common.cpp
+++ b/src/common.cpp
@@ -5,9 +5,28 @@
 #include <sys/stat.h>
 
 line_view load_file(const char* path) {
-  return {nullptr, 0};
+  int fd;
+  struct stat fs;
+  fd = open(path, O_RDONLY);
+  if (fd == -1)
+    return {nullptr, 0};
+  if (fstat(fd, &fs) == -1)
+    return {nullptr, 0};
+
+  line_view lv;
+  lv.length = fs.st_size;
+  lv.line = static_cast<const char*>(mmap(NULL, lv.length, PROT_READ, MAP_PRIVATE, fd, 0));
+  return lv;
 }
 
-line_view next_line(const char* file, size_t offset) {
-  return {nullptr, 0};
+line_view next_line(line_view file) {
+  static size_t offset = 0;
+  line_view lv;
+  lv.line = file.line + offset;
+  lv.length = 0;
+  while (offset < file.length && file.line[offset] != '\n') {
+    lv.length += 1;
+    offset++;
+  }
+  return lv;
 }