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lz4stream info to int: use memcpy

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This commit is contained in:
Philippe Teuwen
2020-06-07 12:46:05 +02:00
parent cce2e7aad3
commit d48fcbf5eb
2 changed files with 5 additions and 9 deletions
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8
armsrc/start.c
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@@ -16,6 +16,7 @@
#include "appmain.h"
#include "lz4.h"
#include "BigBuf.h"
#include "string.h"
static uint8_t *next_free_memory;
extern struct common_area common_area;
@@ -23,11 +24,8 @@ extern char __data_src_start__, __data_start__, __data_end__, __bss_start__, __b
static void uncompress_data_section(void) {
next_free_memory = BigBuf_get_addr();
int avail_in = *(&__data_start__ + 3);
avail_in = (avail_in << 8) + *(&__data_start__+2);
avail_in = (avail_in << 8) + *(&__data_start__+1);
avail_in = (avail_in << 8) + *(&__data_start__+0); // compressed size. Correct.
int avail_in;
memcpy(&avail_in, &__data_start__, sizeof(int));
int avail_out = &__data_end__ - &__data_start__; // uncompressed size. Correct.
// uncompress data segment to RAM
int res = LZ4_decompress_safe(&__data_src_start__ + 4, &__data_start__, avail_in, avail_out);