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apps/examples/lzf: lzf_compress() now expects the hash table as user allocated input parmeter rather than declaring the huge array on the stack.

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This commit is contained in:
Gregory Nutt 2018-03-15 08:52:13 -06:00
parent d05f6ccf85
commit 7c70ca5006
1 changed files with 3 additions and 1 deletions
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4
examples/lzf/lzf_main.c
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@ -70,6 +70,7 @@ static enum { COMPRESS, UNCOMPRESS, LZCAT } g_mode = COMPRESS;
static bool g_verbose = false; static bool g_verbose = false;
static bool g_force = 0; static bool g_force = 0;
static long blocksize = BLOCKSIZE; static long blocksize = BLOCKSIZE;
static lzf_state_t g_htab;
static FAR const char *opt = static FAR const char *opt =
"-c compress\n" "-c compress\n"
@ -167,7 +168,8 @@ static int compress_fd(int from, int to)
g_nread = g_nwritten = 0; g_nread = g_nwritten = 0;
while ((us = rread(from, &buf1[MAX_HDR_SIZE], blocksize)) > 0) while ((us = rread(from, &buf1[MAX_HDR_SIZE], blocksize)) > 0)
{ {
cs = lzf_compress(&buf1[MAX_HDR_SIZE], us, &buf2[MAX_HDR_SIZE], us > 4 ? us - 4 : us); cs = lzf_compress(&buf1[MAX_HDR_SIZE], us, &buf2[MAX_HDR_SIZE],
us > 4 ? us - 4 : us, g_htab);
if (cs) if (cs)
{ {
header = &buf2[MAX_HDR_SIZE - TYPE1_HDR_SIZE]; header = &buf2[MAX_HDR_SIZE - TYPE1_HDR_SIZE];