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[RomTools] Allow for hashing with offset

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Matt Nadareski
2016-06-15 10:20:55 -07:00
parent 0fcff7f857
commit 05ad98e664
1 changed files with 7 additions and 1 deletions
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8
SabreTools.Helper/Tools/RomTools.cs
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@@ -17,7 +17,7 @@ namespace SabreTools.Helper
/// <param name="noSHA1">True if SHA-1 hashes should not be calcluated, false otherwise</param> /// <param name="noSHA1">True if SHA-1 hashes should not be calcluated, false otherwise</param>
/// <returns>Populated RomData object if success, empty one on error</returns> /// <returns>Populated RomData object if success, empty one on error</returns>
/// <remarks>Add read-offset for hash info</remarks> /// <remarks>Add read-offset for hash info</remarks>
public static RomData GetSingleFileInfo(string input, bool noMD5 = false, bool noSHA1 = false) public static RomData GetSingleFileInfo(string input, bool noMD5 = false, bool noSHA1 = false, long offset = 0)
{ {
RomData rom = new RomData RomData rom = new RomData
{ {
@@ -36,6 +36,12 @@ namespace SabreTools.Helper
using (SHA1 sha1 = SHA1.Create()) using (SHA1 sha1 = SHA1.Create())
using (FileStream fs = File.OpenRead(input)) using (FileStream fs = File.OpenRead(input))
{ {
// Seek to the starting position, if one is set
if (offset > 0)
{
fs.Seek(offset, SeekOrigin.Begin);
}
byte[] buffer = new byte[1024]; byte[] buffer = new byte[1024];
int read; int read;
while ((read = fs.Read(buffer, 0, buffer.Length)) > 0) while ((read = fs.Read(buffer, 0, buffer.Length)) > 0)