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use logical OR (||) instead of binary OR (|) in logical context

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The compiler can short-circuit the evaluation of conditions strung
together with logical OR operators instead of computing the resulting
bitmask with binary ORs.  More importantly, this patch makes the
intent of the changed code clearer, because the logical context (as
opposed to binary context) becomes immediately obvious.

While we're at it, simplify the check for patch->is_rename in
builtin/apply.c a bit; it can only be 0 or 1, so we don't need a
comparison operator.

Signed-off-by: René Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2013-06-13 20:19:44 +02:00 committed by Junio C Hamano
parent f2b4626d9e
commit 0b437a18bd
3 changed files with 6 additions and 6 deletions
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2
builtin/apply.c
View File

@ -3525,7 +3525,7 @@ static int check_patch(struct patch *patch)
ok_if_exists = 0;
if (new_name &&
((0 < patch->is_new) | (0 < patch->is_rename) | patch->is_copy)) {
((0 < patch->is_new) || patch->is_rename || patch->is_copy)) {
int err = check_to_create(new_name, ok_if_exists);
if (err && threeway) {

8
builtin/ls-files.c
View File

@ -219,7 +219,7 @@ static void show_files(struct dir_struct *dir)
if (show_killed)
show_killed_files(dir);
}
if (show_cached | show_stage) {
if (show_cached || show_stage) {
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
if ((dir->flags & DIR_SHOW_IGNORED) &&
@ -233,7 +233,7 @@ static void show_files(struct dir_struct *dir)
(ce_skip_worktree(ce) ? tag_skip_worktree : tag_cached), ce);
}
}
if (show_deleted | show_modified) {
if (show_deleted || show_modified) {
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
struct stat st;
@ -571,8 +571,8 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
die("ls-files --ignored needs some exclude pattern");
/* With no flags, we default to showing the cached files */
if (!(show_stage | show_deleted | show_others | show_unmerged |
show_killed | show_modified | show_resolve_undo))
if (!(show_stage || show_deleted || show_others || show_unmerged ||
show_killed || show_modified || show_resolve_undo))
show_cached = 1;
if (max_prefix)

2
builtin/merge-base.c
View File

@ -107,7 +107,7 @@ int cmd_merge_base(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, options, merge_base_usage, 0);
if (!octopus && !reduce && argc < 2)
usage_with_options(merge_base_usage, options);
if (is_ancestor && (show_all | octopus | reduce))
if (is_ancestor && (show_all || octopus || reduce))
die("--is-ancestor cannot be used with other options");
if (is_ancestor)
return handle_is_ancestor(argc, argv);