[tyndur-devel] [PATCH] Tool zum Speichern und Wiederherstellen von Partitionstabellen

[Roman Muentener <fmnssun@xxxxxxxxx>]

Kleines Tool, aus Langeweile entstanden und zum fseek mit Devices zu testen.
Signed-off-by: Roman Muentener <fmnssun@xxxxxxxxx>
---
 src/modules/c/partt/Makefile.all |    7 ++
 src/modules/c/partt/main.c       |  125 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 132 insertions(+), 0 deletions(-)
 create mode 100644 src/modules/c/partt/Makefile.all
 create mode 100644 src/modules/c/partt/main.c

diff --git a/src/modules/c/partt/Makefile.all b/src/modules/c/partt/Makefile.all
new file mode 100644
index 0000000..0549688
--- /dev/null
+++ b/src/modules/c/partt/Makefile.all
@@ -0,0 +1,7 @@
+shopt -s extglob
+source $LOST_BUILDMK_ROOT/config.sh
+
+echo "LD   $1/apps/partt"
+$LOST_TOOLS_LD -opartt -Ttext=0x40000000 *.o --start-group $2 --end-group
+
+mv partt $1/apps/
diff --git a/src/modules/c/partt/main.c b/src/modules/c/partt/main.c
new file mode 100644
index 0000000..e2d6ecc
--- /dev/null
+++ b/src/modules/c/partt/main.c
@@ -0,0 +1,125 @@
+/*  
+ * Copyright (c) 2010 The tyndur Project. All rights reserved.
+ *
+ * This code is derived from software contributed to the tyndur Project
+ * by Roman Muentener.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the tyndur Project
+ *     and its contributors.
+ * 4. Neither the name of the tyndur Project nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR 
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+unsigned char partition_table[64];
+
+int go_part(char* source, char* destination,char* action);
+
+int main(int argc, char* argv[])
+{
+    if(argc < 4)
+    {
+        printf("partt source destination action\n");
+        printf(" source -- Quelle (Device oder Datei)\n");
+        printf(" destination -- Zielort (Device oder Datei)\n");
+        printf(" action -- Aktion: load oder save\n");
+        printf("   load: Liest Partitionstabelle von Datei [source] und schreibt nach Device [destination]\n");
+        printf("   save: Liest Partitionstabelle von Device [source] und schreibt nach Datei [destination]\n");
+        printf("\n\n");
+        printf("Beispiel:  Speichern: partt ata:/ata00 save.pt save\n");
+        printf("           Laden: partt save.pt ata:/ata00 load\n");
+        return 1;
+    }
+    return go_part(argv[1],argv[2],argv[3]);
+}
+
+int go_part(char* source, char* destination,char* action)
+{
+    FILE* fsrc = fopen(source,"r");
+    if(!fsrc)
+    {
+        printf("partt: Konnte Device/Datei nicht lesen! [source]\n");
+        return 3;
+    }
+
+    int read_offset = 0x0;
+    int write_offset = 0x0;
+
+    if(strcmp(action,"save") == 0)
+    {
+        read_offset = 0x01BE;
+        write_offset = 0x0;
+    }
+    else if(strcmp(action,"load") == 0)
+    {
+        read_offset = 0x0;
+        write_offset = 0x01BE;
+    }
+    else
+    {
+        printf("partt: Unbekannte Aktion!\n");
+        return 2;
+    }
+    
+    if(fseek(fsrc,read_offset,SEEK_SET) != 0)
+    {
+        printf("partt: Sprung an Position schlug fehl! [source]\n");
+        return 4;
+    }
+
+    if(fread(partition_table,1,64,fsrc) != 64)
+    {
+        printf("partt: Konnte Partitionstabelle nicht lesen! [source]\n");
+        return 5;
+    }
+    
+    FILE* fdst = fopen(destination,"w");
+    if(!fdst)
+    {
+        printf("partt: Konnte Device/Datei nicht lesen! [destination]\n");
+        return 3;
+    }
+    
+    if(fseek(fdst,write_offset,SEEK_SET) != 0)
+    {
+        printf("partt: Sprung an Position schlug fehl! [destination]\n");
+        return 6;
+    }
+
+    if(fwrite(partition_table,1,64,fdst) != 64)
+    {
+        printf("partt: Konnte Partitionstabelle nicht speichern! [destination]\n");
+        return 7;
+    }
+
+    fclose(fdst);
+    fclose(fsrc);
+
+    return 0;
+}
-- 
1.6.0.4