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Error if Write less than expected

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This commit is contained in:
John Scipione 2014-03-06 18:19:21 -05:00
parent 9592cbe5d8
commit 2433b9e64f
1 changed files with 8 additions and 8 deletions
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16
src/add-ons/translators/gif/GIFSave.cpp
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@ -250,7 +250,7 @@ GIFSave::WriteGIFHeader()
header[9] = (height & 0xff00) >> 8;
header[10] = 0xf0 | (palette->SizeInBits() - 1);
header[11] = palette->BackgroundIndex();
if (output->Write(header, 13) < 0)
if (output->Write(header, 13) < 13)
return B_IO_ERROR;
// global palette
@ -261,7 +261,7 @@ GIFSave::WriteGIFHeader()
return B_NO_MEMORY;
palette->GetColors(buffer, size);
if (output->Write(buffer, size) < 0) {
if (output->Write(buffer, size) < size) {
delete[] buffer;
return B_IO_ERROR;
}
@ -282,7 +282,7 @@ GIFSave::WriteGIFControlBlock()
b[3] = b[3] | 1;
b[6] = palette->TransparentIndex();
}
return output->Write(b, 8) < 0 ? B_IO_ERROR : B_OK;
return output->Write(b, 8) < 8 ? B_IO_ERROR : B_OK;
}
@ -304,7 +304,7 @@ GIFSave::WriteGIFImageHeader()
else
header[9] = BLOCK_TERMINATOR;
return output->Write(header, 10) < 0 ? B_IO_ERROR : B_OK;
return output->Write(header, 10) < 10 ? B_IO_ERROR : B_OK;
}
@ -336,7 +336,7 @@ GIFSave::WriteGIFImageData()
ResetHashtable();
if (output->Write(&code_size, 1) < 0) {
if (output->Write(&code_size, 1) < 1) {
free(code_value);
free(prefix_code);
free(append_char);
@ -424,7 +424,7 @@ GIFSave::WriteGIFImageData()
}
char t = BLOCK_TERMINATOR;
if (output->Write(&t, 1) < 0) {
if (output->Write(&t, 1) < 1) {
free(code_value);
free(prefix_code);
free(append_char);
@ -454,7 +454,7 @@ GIFSave::OutputCode(short code, int BITS, bool flush)
}
if (byte_count >= 255) {
byte_buffer[0] = 255;
if (output->Write(byte_buffer, 256) < 0)
if (output->Write(byte_buffer, 256) < 256)
return B_IO_ERROR;
if (byte_count == 256) {
@ -474,7 +474,7 @@ GIFSave::OutputCode(short code, int BITS, bool flush)
}
if (byte_count > 0) {
byte_buffer[0] = (unsigned char)byte_count;
if (output->Write(byte_buffer, byte_count + 1) < 0)
if (output->Write(byte_buffer, byte_count + 1) < byte_count + 1)
return B_IO_ERROR;
}
}