1 files changed, 18 insertions, 18 deletions
diff --git a/src/nvim/pos.h b/src/nvim/pos.h
index d17e27906e..1b7e6273fd 100644
--- a/src/nvim/pos.h
+++ b/src/nvim/pos.h
@@ -1,12 +1,12 @@
 #ifndef NVIM_POS_H
 #define NVIM_POS_H
 
-// for INT_MAX, LONG_MAX et al.
-#include <limits.h>
+#include <inttypes.h>
 
-typedef long linenr_T;         // line number type
+/// Line number type
+typedef int32_t linenr_T;
 /// Format used to print values which have linenr_T type
-#define PRIdLINENR "ld"
+#define PRIdLINENR PRId32
 
 /// Column number type
 typedef int colnr_T;
@@ -15,29 +15,29 @@ typedef int colnr_T;
 
 /// Maximal (invalid) line number
 enum { MAXLNUM = 0x7fffffff, };
+
 /// Maximal column number
-enum { MAXCOL = INT_MAX, };
-// Minimum line number
+/// MAXCOL used to be INT_MAX, but with 64 bit ints that results in running
+/// out of memory when trying to allocate a very long line.
+enum { MAXCOL = 0x7fffffff, };
+
+/// Minimum line number
 enum { MINLNUM = 1, };
-// minimum column number
+
+/// Minimum column number
 enum { MINCOL = 1, };
 
-/*
- * position in file or buffer
- */
+/// position in file or buffer
 typedef struct {
-  linenr_T lnum;        // line number
-  colnr_T col;          // column number
+  linenr_T lnum;        ///< line number
+  colnr_T col;          ///< column number
   colnr_T coladd;
 } pos_T;
 
-
-/*
- * Same, but without coladd.
- */
+/// position in file or buffer, but without coladd
 typedef struct {
-  linenr_T lnum;        // line number
-  colnr_T col;          // column number
+  linenr_T lnum;        ///< line number
+  colnr_T col;          ///< column number
 } lpos_T;
 
 #endif  // NVIM_POS_H