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MOBI Output: Fix a memory leak and a crash in the palmdoc compression routine

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Kovid Goyal 2010-06-28 15:13:09 -06:00
parent 8525faf60c
commit 1ef607f544
1 changed files with 4 additions and 1 deletions
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5
src/calibre/ebooks/compression/palmdoc.c
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@ -151,6 +151,7 @@ cpalmdoc_do_compress(buffer *b, char *output) {
for (j=0; j < temp.len; j++) *(output++) = (char)temp.data[j];
}
}
PyMem_Free(temp.data);
return output - head;
}
@ -168,7 +169,9 @@ cpalmdoc_compress(PyObject *self, PyObject *args) {
for (j = 0; j < input_len; j++)
b.data[j] = (_input[j] < 0) ? _input[j]+256 : _input[j];
b.len = input_len;
output = (char *)PyMem_Malloc(sizeof(char) * b.len);
// Make the output buffer larger than the input as sometimes
// compression results in a larger block
output = (char *)PyMem_Malloc(sizeof(char) * (int)(1.25*b.len));
if (output == NULL) return PyErr_NoMemory();
j = cpalmdoc_do_compress(&b, output);
if ( j == 0) return PyErr_NoMemory();