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Check realloc return value #9722

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Check realloc return value #9722

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8 changes: 6 additions & 2 deletions src/path.c
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Original file line number Diff line number Diff line change
Expand Up @@ -335,11 +335,15 @@ path_compact(PyPathObject *self, PyObject *args) {
}

i = self->count - j;
self->count = j;

/* shrink coordinate array */
/* malloc check ok, self->count is smaller than it was before */
self->xy = realloc(self->xy, 2 * self->count * sizeof(double));
double *new_xy = realloc(self->xy, 2 * j * sizeof(double));
if (!new_xy) {
return ImagingError_MemoryError();
}
self->xy = new_xy;
self->count = j;

return Py_BuildValue("i", i); /* number of removed vertices */
}
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