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show meaningful error strings and not just numbers for compression errors

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@3545 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
kichik 2004-05-08 17:40:29 +00:00
parent 499fa0e764
commit 43cfa19a94
7 changed files with 97 additions and 16 deletions
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53
Source/clzma.h
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@ -5,6 +5,7 @@
#include "7zip/7zip/IStream.h"
#include "7zip/7zip/Compress/LZMA/LZMAEncoder.h"
#include "7zip/Common/MyCom.h"
#include "7zip/Common/Defs.h"
// implemented in build.cpp - simply calls CompressReal
#ifdef _WIN32
@ -13,6 +14,12 @@ DWORD WINAPI lzmaCompressThread(LPVOID lpParameter);
void *lzmaCompressThread(void *arg);
#endif
#define LZMA_BAD_CALL -1
#define LZMA_INIT_ERROR -2
#define LZMA_THREAD_ERROR -3
#define LZMA_IO_ERROR -4
#define LZMA_MEM_ERROR -5
class CLZMA:
public ICompressor,
public ISequentialInStream,
@ -169,6 +176,12 @@ public:
compressor_finished = FALSE;
finish = FALSE;
res = C_OK;
if (!hNeedIOEvent || !hIOReadyEvent)
{
return LZMA_INIT_ERROR;
}
ResetEvent(hNeedIOEvent);
ResetEvent(hIOReadyEvent);
@ -193,7 +206,7 @@ public:
props[2].vt = VT_UI4;
props[2].ulVal = 64;
if (_encoder->SetCoderProperties(propdIDs, props, kNumProps) != 0)
return -1;
return LZMA_INIT_ERROR;
return _encoder->SetStreams(this, this, 0, 0);
}
@ -246,7 +259,8 @@ public:
INT32 finished;
if (_encoder->CodeOneBlock(&inSize, &outSize, &finished))
{
res = -2;
if (res != C_OK)
res = LZMA_IO_ERROR;
break;
}
if (finished)
@ -258,12 +272,16 @@ public:
}
else
{
res = -2;
res = LZMA_IO_ERROR;
}
}
catch (CMemoryException)
{
res = LZMA_MEM_ERROR;
}
catch (...)
{
res = -3;
res = LZMA_IO_ERROR;
}
compressor_finished = TRUE;
@ -279,7 +297,7 @@ public:
if (flush)
return C_OK;
else
return -1;
return LZMA_BAD_CALL;
}
finish = flush;
@ -294,7 +312,7 @@ public:
#else
if (pthread_create(&hCompressionThread, NULL, lzmaCompressThread, (LPVOID) this))
#endif
return -2;
return LZMA_INIT_ERROR;
}
else
{
@ -307,7 +325,7 @@ public:
// thread ended or WaitForMultipleObjects failed
compressor_finished = TRUE;
SetEvent(hIOReadyEvent);
return -4;
return LZMA_THREAD_ERROR;
}
if (compressor_finished)
@ -322,7 +340,10 @@ public:
{
SetEvent(hNeedIOEvent);
if (WaitForSingleObject(hIOReadyEvent, INFINITE) != WAIT_OBJECT_0)
{
compressor_finished = TRUE;
res = LZMA_THREAD_ERROR;
}
}
STDMETHOD(Read)(void *data, UINT32 size, UINT32 *processedSize)
@ -411,6 +432,24 @@ public:
virtual unsigned int GetAvailIn() { return avail_in; }
virtual unsigned int GetAvailOut() { return avail_out; }
const char *GetName() { return "lzma"; }
const char* GetErrStr(int err) {
switch (err)
{
case LZMA_BAD_CALL:
return "bad call";
case LZMA_INIT_ERROR:
return "initialization failed";
case LZMA_THREAD_ERROR:
return "thread synchronization error";
case LZMA_IO_ERROR:
return "input/output error";
case LZMA_MEM_ERROR:
return "not enough memory";
default:
return "unknown error";
}
}
};
#endif