diff options
| author | Brad Hards <bradh@frogmouth.net> | 2011-03-08 20:28:11 +1100 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2011-03-16 14:44:53 +1030 |
| commit | 1fe93863f1af6085ff7c3b1e0b1774744ee1e2e6 (patch) | |
| tree | 07d596f6b0fd5d8880d3b13cdfb5756315ac8e1e | |
| parent | edede43eef40cc154054d643eccd2b987b03e4b1 (diff) | |
alloc: avoid dead store to hdrlen
We only ever write to this variable, so can just be removed.
| -rw-r--r-- | ccan/alloc/tiny.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/ccan/alloc/tiny.c b/ccan/alloc/tiny.c index 563c761e..c27c601f 100644 --- a/ccan/alloc/tiny.c +++ b/ccan/alloc/tiny.c @@ -137,12 +137,12 @@ void tiny_alloc_init(void *pool, unsigned long poolsize) /* Walk through and try to coalesce */ static bool try_coalesce(unsigned char *pool, unsigned long poolsize) { - unsigned long len, hdrlen, prev_off = 0, prev_len = 0, off; + unsigned long len, prev_off = 0, prev_len = 0, off; bool free, prev_free = false, coalesced = false; off = free_array_size(poolsize); do { - hdrlen = decode(&len, &free, pool + off); + decode(&len, &free, pool + off); if (free && prev_free) { prev_len += len; encode(prev_len, true, pool + prev_off); @@ -198,7 +198,7 @@ void *tiny_alloc_get(void *pool, unsigned long poolsize, unsigned long size, unsigned long align) { unsigned long arrsize = free_array_size(poolsize); - unsigned long len, off, actual, hdr, hdrlen, free_bucket; + unsigned long len, off, actual, hdr, free_bucket; long fa_off; unsigned char *arr = pool; bool free, coalesced = false; @@ -224,7 +224,7 @@ void *tiny_alloc_get(void *pool, unsigned long poolsize, if (!off) continue; - hdrlen = decode(&len, &free, arr + off); + decode(&len, &free, arr + off); if (long_enough(off, len, size, align)) { /* Remove it. */ memset(&arr[fa_off], 0, 3); @@ -236,7 +236,7 @@ void *tiny_alloc_get(void *pool, unsigned long poolsize, again: off = arrsize; - hdrlen = decode(&len, &free, arr + off); + decode(&len, &free, arr + off); while (!free || !long_enough(off, len, size, align)) { /* Refill free array as we go. */ if (free && coalesced) @@ -251,7 +251,7 @@ again: } return NULL; } - hdrlen = decode(&len, &free, arr + off); + decode(&len, &free, arr + off); } found: |