From 38a2c24e6e576edb089ae74e48529015260e4dd8 Mon Sep 17 00:00:00 2001
From: Olivier Blin <oblin@mandriva.org>
Date: Wed, 9 Mar 2005 14:49:35 +0000
Subject: move partition stuff in partition.c and common disk stuff in tools.c

---
 mdk-stage1/disk.c | 167 +-----------------------------------------------------
 1 file changed, 2 insertions(+), 165 deletions(-)

(limited to 'mdk-stage1/disk.c')

diff --git a/mdk-stage1/disk.c b/mdk-stage1/disk.c
index ca3e02526..678484c5e 100644
--- a/mdk-stage1/disk.c
+++ b/mdk-stage1/disk.c
@@ -36,155 +36,10 @@
 #include "mount.h"
 #include "lomount.h"
 #include "automatic.h"
-
-#include "disk.h"
 #include "directory.h"
+#include "partition.h"
 
-struct partition_detection_anchor {
-	off_t offset;
-	const char * anchor;
-};
-
-static int seek_and_compare(int fd, struct partition_detection_anchor anch)
-{
-	char buf[500];
-	size_t count;
-	if (lseek(fd, anch.offset, SEEK_SET) == (off_t)-1) {
-		log_perror("seek failed");
-		return -1;
-	}
-	count = read(fd, buf, strlen(anch.anchor));
-	if (count != strlen(anch.anchor)) {
-		log_perror("read failed");
-		return -1;
-	}
-	buf[count] = '\0';
-	if (strcmp(anch.anchor, buf))
-		return 1;
-	return 0;
-}
-
-static const char * detect_partition_type(char * dev)
-{
-	struct partition_detection_info {
-		const char * name;
-		struct partition_detection_anchor anchor0;
-		struct partition_detection_anchor anchor1;
-		struct partition_detection_anchor anchor2;
-	};
-	struct partition_detection_info partitions_signatures[] = { 
-		{ "Linux Swap", { 4086, "SWAP-SPACE" }, { 0, NULL }, { 0, NULL } },
-		{ "Linux Swap", { 4086, "SWAPSPACE2" }, { 0, NULL }, { 0, NULL } },
-		{ "Ext2", { 0x438, "\x53\xEF" }, { 0, NULL }, { 0, NULL } },
-		{ "ReiserFS", { 0x10034, "ReIsErFs" }, { 0, NULL }, { 0, NULL } },
-		{ "ReiserFS", { 0x10034, "ReIsEr2Fs" }, { 0, NULL }, { 0, NULL } },
-		{ "XFS", { 0, "XFSB" }, { 0x200, "XAGF" }, { 0x400, "XAGI" } },
-		{ "JFS", { 0x8000, "JFS1" }, { 0, NULL }, { 0, NULL } },
-		{ "NTFS", { 0x1FE, "\x55\xAA" }, { 0x3, "NTFS" }, { 0, NULL } },
-		{ "FAT32", { 0x1FE, "\x55\xAA" }, { 0x52, "FAT32" }, { 0, NULL } },
-		{ "FAT", { 0x1FE, "\x55\xAA" }, { 0x36, "FAT" }, { 0, NULL } },
-		{ "Linux LVM", { 0, "HM\1\0" }, { 0, NULL }, { 0, NULL } }
-	};
-	int partitions_signatures_nb = sizeof(partitions_signatures) / sizeof(struct partition_detection_info);
-	int i;
-	int fd;
-        const char *part_type = NULL;
-
-	char device_fullname[50];
-	strcpy(device_fullname, "/dev/");
-	strcat(device_fullname, dev);
-
-	if (ensure_dev_exists(device_fullname))
-		return NULL;
-	log_message("guessing type of %s", device_fullname);
-
-	if ((fd = open(device_fullname, O_RDONLY, 0)) < 0) {
-		log_perror("open");
-		return NULL;
-	}
-	
-	for (i=0; i<partitions_signatures_nb; i++) {
-		int results = seek_and_compare(fd, partitions_signatures[i].anchor0);
-		if (results == -1)
-			goto detect_partition_type_end;
-		if (results == 1)
-			continue;
-		if (!partitions_signatures[i].anchor1.anchor)
-			goto detect_partition_found_it;
-
-		results = seek_and_compare(fd, partitions_signatures[i].anchor1);
-		if (results == -1)
-			goto detect_partition_type_end;
-		if (results == 1)
-			continue;
-		if (!partitions_signatures[i].anchor2.anchor)
-			goto detect_partition_found_it;
-
-		results = seek_and_compare(fd, partitions_signatures[i].anchor2);
-		if (results == -1)
-			goto detect_partition_type_end;
-		if (results == 1)
-			continue;
-
-	detect_partition_found_it:
-		part_type = partitions_signatures[i].name;
-                break;
-	}
-
- detect_partition_type_end:
-	close(fd);
-	return part_type;
-}
-
-static int list_partitions(char * dev_name, char ** parts, char ** comments)
-{
-	int major, minor, blocks;
-	char name[100];
-	FILE * f;
-	int i = 0;
-	char buf[512];
-
-	if (!(f = fopen("/proc/partitions", "rb")) || !fgets(buf, sizeof(buf), f) || !fgets(buf, sizeof(buf), f)) {
-		log_perror(dev_name);
-                return 1;
-	}
-
-	while (fgets(buf, sizeof(buf), f)) {
-		memset(name, 0, sizeof(name));
-		sscanf(buf, " %d %d %d %s", &major, &minor, &blocks, name);
-		if ((strstr(name, dev_name) == name) && (blocks > 1) && (name[strlen(dev_name)] != '\0')) {
-			const char * partition_type = detect_partition_type(name);
-			parts[i] = strdup(name);
-			comments[i] = (char *) malloc(sizeof(char) * 100);
-			sprintf(comments[i], "size: %d Mbytes", blocks >> 10);
-			if (partition_type) {
-				strcat(comments[i], ", type: ");
-				strcat(comments[i], partition_type);
-			}
-			i++;
-		}
-	}
-	parts[i] = NULL;
-	fclose(f);
-
-        return 0;
-}
-
-static int try_mount(char * dev, char * location)
-{
-	char device_fullname[50];
-	strcpy(device_fullname, "/dev/");
-	strcat(device_fullname, dev);
-
-	if (my_mount(device_fullname, location, "ext2", 0) == -1 &&
-	    my_mount(device_fullname, location, "vfat", 0) == -1 &&
-	    my_mount(device_fullname, location, "ntfs", 0) == -1 &&
-	    my_mount(device_fullname, location, "reiserfs", 0) == -1) {
-                return 1;
-        }
-
-        return 0;
-}
+#include "disk.h"
 
 static enum return_type try_with_device(char *dev_name)
 {
@@ -255,24 +110,6 @@ static enum return_type try_with_device(char *dev_name)
 	return RETURN_OK;
 }
 
-static int get_disks(char *** names, char *** models)
-{
-	char ** ptr;
-	int count = 0;
-
-	my_insmod("sd_mod", ANY_DRIVER_TYPE, NULL, 0);
-	
-	get_medias(DISK, names, models, BUS_ANY);
-
-	ptr = *names;
-	while (ptr && *ptr) {
-		count++;
-		ptr++;
-	}
-
-        return count;
-}
-
 enum return_type disk_prepare(void)
 {
 	char ** medias, ** medias_models;
-- 
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