From 8e24cbaeafc7eed709e251fda1673ffea84edfb1 Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Sun, 15 Mar 2009 22:01:20 +0100 Subject: [PATCH] Fix various dead stores found by the clang static analyzer http-push.c::finish_request(): request is initialized by the for loop index-pack.c::free_base_data(): b is initialized by the for loop merge-recursive.c::process_renames(): move compare to narrower scope, and remove unused assignments to it remove unused variable renames2 xdiff/xdiffi.c::xdl_recs_cmp(): remove unused variable ec xdiff/xemit.c::xdl_emit_diff(): xche is always overwritten Signed-off-by: Benjamin Kramer Signed-off-by: Junio C Hamano --- http-push.c | 2 +- index-pack.c | 2 +- merge-recursive.c | 11 +++-------- xdiff/xdiffi.c | 5 ++--- xdiff/xemit.c | 2 +- 5 files changed, 8 insertions(+), 14 deletions(-) diff --git a/http-push.c b/http-push.c index 30d2d3404..671569594 100644 --- a/http-push.c +++ b/http-push.c @@ -816,7 +816,7 @@ static void finish_request(struct transfer_request *request) #ifdef USE_CURL_MULTI static int fill_active_slot(void *unused) { - struct transfer_request *request = request_queue_head; + struct transfer_request *request; if (aborted) return 0; diff --git a/index-pack.c b/index-pack.c index 7fee87253..75468228d 100644 --- a/index-pack.c +++ b/index-pack.c @@ -232,7 +232,7 @@ static void free_base_data(struct base_data *c) static void prune_base_data(struct base_data *retain) { - struct base_data *b = base_cache; + struct base_data *b; for (b = base_cache; base_cache_used > delta_base_cache_limit && b; b = b->child) { diff --git a/merge-recursive.c b/merge-recursive.c index ee853b990..3e1bc3e07 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -801,22 +801,19 @@ static int process_renames(struct merge_options *o, } for (i = 0, j = 0; i < a_renames->nr || j < b_renames->nr;) { - int compare; char *src; - struct string_list *renames1, *renames2, *renames2Dst; + struct string_list *renames1, *renames2Dst; struct rename *ren1 = NULL, *ren2 = NULL; const char *branch1, *branch2; const char *ren1_src, *ren1_dst; if (i >= a_renames->nr) { - compare = 1; ren2 = b_renames->items[j++].util; } else if (j >= b_renames->nr) { - compare = -1; ren1 = a_renames->items[i++].util; } else { - compare = strcmp(a_renames->items[i].string, - b_renames->items[j].string); + int compare = strcmp(a_renames->items[i].string, + b_renames->items[j].string); if (compare <= 0) ren1 = a_renames->items[i++].util; if (compare >= 0) @@ -826,14 +823,12 @@ static int process_renames(struct merge_options *o, /* TODO: refactor, so that 1/2 are not needed */ if (ren1) { renames1 = a_renames; - renames2 = b_renames; renames2Dst = &b_by_dst; branch1 = o->branch1; branch2 = o->branch2; } else { struct rename *tmp; renames1 = b_renames; - renames2 = a_renames; renames2Dst = &a_by_dst; branch1 = o->branch2; branch2 = o->branch1; diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c index 3e97462bd..02184d9cd 100644 --- a/xdiff/xdiffi.c +++ b/xdiff/xdiffi.c @@ -293,15 +293,14 @@ int xdl_recs_cmp(diffdata_t *dd1, long off1, long lim1, for (; off1 < lim1; off1++) rchg1[rindex1[off1]] = 1; } else { - long ec; xdpsplit_t spl; spl.i1 = spl.i2 = 0; /* * Divide ... */ - if ((ec = xdl_split(ha1, off1, lim1, ha2, off2, lim2, kvdf, kvdb, - need_min, &spl, xenv)) < 0) { + if (xdl_split(ha1, off1, lim1, ha2, off2, lim2, kvdf, kvdb, + need_min, &spl, xenv) < 0) { return -1; } diff --git a/xdiff/xemit.c b/xdiff/xemit.c index 05bfa41f1..c4bedf0d1 100644 --- a/xdiff/xemit.c +++ b/xdiff/xemit.c @@ -132,7 +132,7 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb, if (xecfg->flags & XDL_EMIT_COMMON) return xdl_emit_common(xe, xscr, ecb, xecfg); - for (xch = xche = xscr; xch; xch = xche->next) { + for (xch = xscr; xch; xch = xche->next) { xche = xdl_get_hunk(xch, xecfg); s1 = XDL_MAX(xch->i1 - xecfg->ctxlen, 0); -- 2.26.2