From 9c187f6fe319a1bf341fabead730f35fe96ec510 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?K=2E=20Y=2E=20Cemal=20=C3=96zt=C3=BCrk?=
 <info@yigitovski.com>
Date: Fri, 28 Jul 2023 15:26:07 +0300
Subject: [PATCH] switch to m4 for partable (#9)

---
 cuteloader-sfd.awk |  7 -------
 util/partable.m4   | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 7 deletions(-)
 delete mode 100755 cuteloader-sfd.awk
 create mode 100644 util/partable.m4

diff --git a/cuteloader-sfd.awk b/cuteloader-sfd.awk
deleted file mode 100755
index 70fa22a..0000000
--- a/cuteloader-sfd.awk
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/awk -f
-
-BEGIN {
-    printf("label: dos\nunit: sectors\n\n")
-    printf("%s1 : start=2048, size=1469440, type=0C   # FAT32\n", device_name)
-    printf("%s2 : start=1471488, size=1469440, type=83   # Linux\n", device_name)
-}
diff --git a/util/partable.m4 b/util/partable.m4
new file mode 100644
index 0000000..46480ac
--- /dev/null
+++ b/util/partable.m4
@@ -0,0 +1,33 @@
+# partable.m4 - Partitioning table for Cuteloader
+
+# the device name which Cuteloader will be installed
+define(`device_name', `/dev/sdb')dnl
+
+# the record label for the disk
+define(`reclabel_type', `mbr')dnl
+
+# the stage1 bootloader partition
+define(`STAGE1_START', `2048')dnl
+define(`STAGE1_SIZE', `1469440')dnl
+define(`STAGE1_TYPE', `0C')dnl
+
+# the stage2 bootloader (and ramdisk images) partition
+define(`STAGE2_START', `1471488')dnl
+define(`STAGE2_SIZE', `1469440')dnl
+define(`STAGE2_TYPE', `83')dnl
+
+# Run fdisk to get the device size and capture the output
+define(`FDISK_OUTPUT', `esyscmd(`fdisk -l `device_name)')dnl
+
+# Extract the line containing the device size information using grep
+define(`SIZE_LINE', `regexp(FDISK_OUTPUT, `^Disk `device_name)': ')dnl
+
+# Extract the total device size in sectors using awk
+define(`DEVICE_SIZE', `regexp(SIZE_LINE, ` ([0-9]+) sectors', ` \1')')dnl
+
+# Calculate the start and size of the third partition
+define(`PART3_START', `STAGE2_START + STAGE2_SIZE')dnl
+define(`PART3_SIZE', `DEVICE_SIZE - PART3_START')dnl
+
+# the third partition (freely available space)
+define(`PART3_TYPE', `83')dnl