From bf708b6a967bae32c08f876ba16a616c10fd61c4 Mon Sep 17 00:00:00 2001
From: Sebastian Reimers <hallo@studio-link.de>
Date: Fri, 11 Aug 2023 14:32:07 +0200
Subject: [PATCH] fmt/print: add 64-bit length modifier %Li, %Ld and %Lu

---
 src/fmt/print.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/fmt/print.c b/src/fmt/print.c
index 6a1ec36d2..45da0cb1c 100644
--- a/src/fmt/print.c
+++ b/src/fmt/print.c
@@ -31,6 +31,7 @@ enum length_modifier {
 	LENMOD_NONE      = 0,
 	LENMOD_LONG      = 1,
 	LENMOD_LONG_LONG = 2,
+	LENMOD_INT64     = 3,
 	LENMOD_SIZE      = 42,
 };
 
@@ -219,6 +220,10 @@ static int vhprintf(const char *fmt, va_list ap, re_vprintf_h *vph, void *arg,
 		case 'i':
 			switch (lenmod) {
 
+			case LENMOD_INT64:
+				RE_VA_ARG(ap, sn, int64_t, safe);
+				break;
+
 			case LENMOD_SIZE:
 				RE_VA_ARG(ap, sn, ssize_t, safe);
 				break;
@@ -335,6 +340,10 @@ static int vhprintf(const char *fmt, va_list ap, re_vprintf_h *vph, void *arg,
 		case 'u':
 			switch (lenmod) {
 
+			case LENMOD_INT64:
+				RE_VA_ARG(ap, n, uint64_t, safe);
+				break;
+
 			case LENMOD_SIZE:
 				RE_VA_ARG(ap, n, size_t, safe);
 				break;
@@ -400,6 +409,11 @@ static int vhprintf(const char *fmt, va_list ap, re_vprintf_h *vph, void *arg,
 			fm = true;
 			break;
 
+		case 'L':
+			lenmod = LENMOD_INT64;
+			fm = true;
+			break;
+
 		case 'j':
 			RE_VA_ARG(ap, sa, struct sa *, safe);
 			if (!sa)
@@ -500,6 +514,7 @@ static int vhprintf(const char *fmt, va_list ap, re_vprintf_h *vph, void *arg,
  *   %H  (re_printf_h *, void *) Print handler with argument
  *   %v  (char *fmt, va_list *)  Variable argument list
  *   %m  (int)                   Describe an error code
+ *   %L  (uint64_t/int64_t)      64-bit length modifier for %i, %d and %u
  * </pre>
  *
  * Reserved for the future: