[git commit] ash: remove dead stores and unused variables
Denys Vlasenko
vda.linux at googlemail.com
Fri Sep 30 09:24:12 UTC 2016
commit: https://git.busybox.net/busybox/commit/?id=53d6e03a0acb31cdb5c6e5679cf8a9ddd8c09ba5
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master
Upstream commit 1:
Date: Fri, 8 Jul 2011 16:12:20 +0800
[MEMALLOC] Avoid gcc warning: variable 'oldstackp' set but not used
* src/memalloc.c (growstackblock): Remove declaration and set of
set-but-not-used variable. Also remove a stray space-before-TAB.
Signed-off-by: Jim Meyering <meyering at redhat.com>
Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>
Upstream commit 2:
Date: Fri, 8 Jul 2011 16:16:11 +0800
[MEMALLOC] Avoid clang warning about dead store to "size"
* src/memalloc.c (makestrspace): Remove dead store.
Signed-off-by: Jim Meyering <meyering at redhat.com>
Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>
Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
shell/ash.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/shell/ash.c b/shell/ash.c
index f7ce698..3fe4714 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -1538,13 +1538,11 @@ growstackblock(void)
newlen += 128;
if (g_stacknxt == g_stackp->space && g_stackp != &stackbase) {
- struct stack_block *oldstackp;
struct stack_block *sp;
struct stack_block *prevstackp;
size_t grosslen;
INT_OFF;
- oldstackp = g_stackp;
sp = g_stackp;
prevstackp = sp->prev;
grosslen = newlen + sizeof(struct stack_block) - MINSIZE;
@@ -1602,7 +1600,7 @@ static char *
makestrspace(size_t newlen, char *p)
{
size_t len = p - g_stacknxt;
- size_t size = stackblocksize();
+ size_t size;
for (;;) {
size_t nleft;
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