Add submodule "vendor/libkernaux"

.gitignore

@@ -38,8 +38,10 @@
 # To build out of root #
 ########################
 
-/build/native/*
-!/build/native/.keep
+/build/default/*
+!/build/default/config
+/build/dev/*
+!/build/dev/config
 
 ###########################################
 # Only generated when configuring in root #
@@ -66,4 +68,5 @@
 
 /vendor/*
 !/vendor/coreboot
+!/vendor/libkernaux
 !/vendor/seabios

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "vendor/coreboot"]
 	path = vendor/coreboot
 	url = https://review.coreboot.org/coreboot.git
+[submodule "vendor/libkernaux"]
+	path = vendor/libkernaux
+	url = https://github.com/tailix/libkernaux.git

build/default/config

@@ -0,0 +1 @@
+../../config/default

build/dev/config

@@ -0,0 +1 @@
+../../config/dev

config/default

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+REPO="$(realpath "$(dirname "$(realpath "$0")")/..")"
+
+if [ -f "$REPO/Makefile" ]; then make -C "$REPO" distclean; fi
+
+"$REPO/configure"

config/dev

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+set -e
+
+REPO="$(realpath "$(dirname "$(realpath "$0")")/..")"
+
+if [ -f "$REPO/Makefile" ]; then make -C "$REPO" distclean; fi
+
+export LDFLAGS="-L$REPO/vendor/libkernaux"
+export CFLAGS="-I$REPO/vendor/libkernaux/include"
+
+"$REPO/configure"

src/main.c

@@ -21,34 +21,7 @@
 #include <stdio.h>
 #include <string.h>
 
-#define MBR_SIZE 512
-#define MBR_BOOTSTRAP_SIZE (MBR_SIZE - sizeof(struct MbrInfo))
-#define MBR_ENTRIES 4
-#define MBR_MAGIC 0xAA55
-
-struct MbrEntry {
-    uint8_t  drive_attributes;
-    unsigned start_chs_address : 24;
-    uint8_t  partition_type;
-    unsigned last_chs_address : 24;
-    uint32_t start_lba;
-    uint32_t sectors_count;
-}
-__attribute__((packed));
-
-struct MbrInfo {
-    uint32_t disk_id;
-    uint16_t reserved;
-    struct MbrEntry entries[MBR_ENTRIES];
-    uint16_t magic;
-}
-__attribute__((packed));
-
-struct Mbr {
-    uint8_t bootstrap[MBR_BOOTSTRAP_SIZE];
-    struct MbrInfo info;
-}
-__attribute__((packed));
+#include <kernaux/mbr.h>
 
 static bool create_mbr_file(
     bool print_debug,
@@ -95,12 +68,12 @@ bool create_mbr_file(
     const uint32_t disk_id,
     const char *const bootstrap_filename
 ) {
-    struct Mbr mbr;
+    struct KernAux_Mbr mbr;
 
     {
         memset(&mbr, 0, sizeof(mbr));
 
-        mbr.info.magic = MBR_MAGIC;
+        mbr.info.magic = KERNAUX_MBR_MAGIC;
         mbr.info.disk_id = disk_id;
         mbr.info.reserved = 0;
 
@@ -125,7 +98,7 @@ bool create_mbr_file(
             return false;
         }
 
-        const size_t size = fread(&mbr.bootstrap, 1, MBR_BOOTSTRAP_SIZE, fd);
+        const size_t size = fread(&mbr.bootstrap, 1, KERNAUX_MBR_BOOTSTRAP_SIZE, fd);
         if (size == 0) {
             fprintf(stderr, "Empty bootstrap file\n");
             return false;

vendor/libkernaux

@@ -0,0 +1 @@
+Subproject commit 38a5ee265c11229d2f9bb92c6308d4b2a7e7552f