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cabinet: Don't allocate a huge buffer on the stack.

This commit is contained in:
Alexandre Julliard 2008-12-11 12:24:33 +01:00
parent 5f3287d79f
commit 16fb8fd843
1 changed files with 10 additions and 8 deletions
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18
dlls/cabinet/fdi.c
View File

@ -2279,8 +2279,7 @@ static void free_decompression_temps(HFDI hfdi, struct fdi_folder *fol,
}
static void free_decompression_mem(HFDI hfdi, struct fdi_folder *fol,
fdi_decomp_state *decomp_state, fdi_decomp_state *sentinel_decomp_state,
struct fdi_file *file)
fdi_decomp_state *decomp_state, struct fdi_file *file)
{
while (decomp_state) {
fdi_decomp_state *prev_fds;
@ -2306,8 +2305,7 @@ static void free_decompression_mem(HFDI hfdi, struct fdi_folder *fol,
}
prev_fds = decomp_state;
decomp_state = CAB(next);
if (prev_fds != sentinel_decomp_state)
PFDI_FREE(hfdi, prev_fds);
PFDI_FREE(hfdi, prev_fds);
}
}
@ -2495,8 +2493,7 @@ BOOL __cdecl FDICopy(
cab_UBYTE buf[64];
struct fdi_folder *fol = NULL, *linkfol = NULL;
struct fdi_file *file = NULL, *linkfile = NULL;
fdi_decomp_state _decomp_state;
fdi_decomp_state *decomp_state = &_decomp_state;
fdi_decomp_state *decomp_state;
TRACE("(hfdi == ^%p, pszCabinet == ^%p, pszCabPath == ^%p, flags == %0d, "
"pfnfdin == ^%p, pfnfdid == ^%p, pvUser == ^%p)\n",
@ -2507,6 +2504,11 @@ BOOL __cdecl FDICopy(
return FALSE;
}
if (!(decomp_state = PFDI_ALLOC(hfdi, sizeof(fdi_decomp_state))))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
ZeroMemory(decomp_state, sizeof(fdi_decomp_state));
pathlen = (pszCabPath) ? strlen(pszCabPath) : 0;
@ -2893,7 +2895,7 @@ BOOL __cdecl FDICopy(
}
free_decompression_temps(hfdi, fol, decomp_state);
free_decompression_mem(hfdi, fol, decomp_state, &_decomp_state, file);
free_decompression_mem(hfdi, fol, decomp_state, file);
return TRUE;
@ -2903,7 +2905,7 @@ BOOL __cdecl FDICopy(
if (filehf) PFDI_CLOSE(hfdi, filehf);
free_decompression_mem(hfdi, fol, decomp_state, &_decomp_state, file);
free_decompression_mem(hfdi, fol, decomp_state, file);
return FALSE;
}