xzminidec: Create macro to set the maximum supported dictionary size.
The macro can be overridden at compile time by setting something like:
-DDICT_SIZE_MAX="(1U << 25)"
diff --git a/userspace/xzminidec.c b/userspace/xzminidec.c
index 634e32c..df2b719 100644
--- a/userspace/xzminidec.c
+++ b/userspace/xzminidec.c
@@ -18,6 +18,10 @@
#include <string.h>
#include "xz.h"
+#ifndef DICT_SIZE_MAX
+# define DICT_SIZE_MAX (64U << 20)
+#endif
+
static uint8_t in[BUFSIZ];
static uint8_t out[BUFSIZ];
@@ -44,7 +48,7 @@
* Support up to 64 MiB dictionary. The actually needed memory
* is allocated once the headers have been parsed.
*/
- s = xz_dec_init(XZ_DYNALLOC, 1 << 26);
+ s = xz_dec_init(XZ_DYNALLOC, DICT_SIZE_MAX);
if (s == NULL) {
msg = "Memory allocation failed\n";
goto error;
