[CRIU] [PATCH 3/3] Replace strcmp() with STRNEQ()
Radostin Stoyanov
rstoyanov1 at gmail.com
Mon Jan 28 01:18:59 MSK 2019
Signed-off-by: Radostin Stoyanov <rstoyanov1 at gmail.com>
---
criu/cgroup-props.c | 2 +-
criu/cgroup.c | 8 ++++----
criu/config.c | 2 +-
criu/cr-check.c | 2 +-
criu/cr-service.c | 2 +-
criu/crtools.c | 8 ++++----
criu/file-lock.c | 4 ++--
criu/files.c | 2 +-
criu/filesystems.c | 7 +++----
criu/lsm.c | 2 +-
criu/mount.c | 11 +++++------
criu/net.c | 8 ++++----
criu/proc_parse.c | 6 +++---
13 files changed, 31 insertions(+), 33 deletions(-)
diff --git a/criu/cgroup-props.c b/criu/cgroup-props.c
index 21f0ddea4..f2feb2ad7 100644
--- a/criu/cgroup-props.c
+++ b/criu/cgroup-props.c
@@ -88,7 +88,7 @@ static int cgp_handle_props(cgp_list_entry_t **p, int strategy)
cgp_list_entry_t *t;
list_for_each_entry(t, &cgp_list, list) {
- if (strcmp(t->cgp.name, s->cgp.name))
+ if (STRNEQ(t->cgp.name, s->cgp.name))
continue;
pr_debug("%s \"%s\" controller properties\n",
diff --git a/criu/cgroup.c b/criu/cgroup.c
index 9d460188d..1699e8676 100644
--- a/criu/cgroup.c
+++ b/criu/cgroup.c
@@ -81,7 +81,7 @@ static bool cg_set_compare(struct cg_set *set, struct list_head *ctls, int what)
if (!c1 || !c2) /* Nowhere to move next */
return !c1 && !c2; /* Both lists scanned -- match */
- if (strcmp(c1->name, c2->name))
+ if (STRNEQ(c1->name, c2->name))
return false;
switch (what) {
@@ -90,7 +90,7 @@ static bool cg_set_compare(struct cg_set *set, struct list_head *ctls, int what)
if (c1->cgns_prefix != c2->cgns_prefix)
return false;
- if (strcmp(c1->path, c2->path))
+ if (STRNEQ(c1->path, c2->path))
return false;
break;
@@ -677,7 +677,7 @@ int dump_task_cgroup(struct pstree_item *item, u32 *cg_id, struct parasite_dump_
*/
list_for_each_entry(root, &root_cgset->ctls, l) {
list_for_each_entry(stray, &cs->ctls, l) {
- if (strcmp(root->name, stray->name))
+ if (STRNEQ(root->name, stray->name))
continue;
if (strlen(stray->path) < root->cgns_prefix) {
@@ -1828,7 +1828,7 @@ static int rewrite_cgroup_roots(CgroupEntry *cge)
cgroup_contains(ctrl->cnames, ctrl->n_cnames,
o->controller, &ctrl_mask);
if (old_mask != ctrl_mask) {
- if (newroot && strcmp(newroot, o->newroot)) {
+ if (newroot && STRNEQ(newroot, o->newroot)) {
pr_err("CG paths mismatch: %s %s\n",
newroot, o->newroot);
return -1;
diff --git a/criu/config.c b/criu/config.c
index 304fcb5f2..9590a67e9 100644
--- a/criu/config.c
+++ b/criu/config.c
@@ -781,7 +781,7 @@ int parse_options(int argc, char **argv, bool *usage_error,
break;
case 'V':
pr_msg("Version: %s\n", CRIU_VERSION);
- if (strcmp(CRIU_GITID, "0"))
+ if (STRNEQ(CRIU_GITID, "0"))
pr_msg("GitID: %s\n", CRIU_GITID);
exit(0);
case 'h':
diff --git a/criu/cr-check.c b/criu/cr-check.c
index 1574099cd..d4dd47779 100644
--- a/criu/cr-check.c
+++ b/criu/cr-check.c
@@ -716,7 +716,7 @@ static unsigned long get_ring_len(unsigned long addr)
if (start == addr) {
fclose(maps);
- if (strcmp(buf + tail, "/[aio] (deleted)\n"))
+ if (STRNEQ(buf + tail, "/[aio] (deleted)\n"))
goto notfound;
return end - start;
diff --git a/criu/cr-service.c b/criu/cr-service.c
index 231a37f30..09ac2e0fd 100644
--- a/criu/cr-service.c
+++ b/criu/cr-service.c
@@ -967,7 +967,7 @@ static int handle_version(int sk, CriuReq * msg)
/* This assumes we will always have a major and minor version */
version.major = CRIU_VERSION_MAJOR;
version.minor = CRIU_VERSION_MINOR;
- if (strcmp(CRIU_GITID, "0")) {
+ if (STRNEQ(CRIU_GITID, "0")) {
version.gitid = CRIU_GITID;
}
#ifdef CRIU_VERSION_SUBLEVEL
diff --git a/criu/crtools.c b/criu/crtools.c
index ecdc0a207..e47f2f2a6 100644
--- a/criu/crtools.c
+++ b/criu/crtools.c
@@ -138,7 +138,7 @@ int main(int argc, char *argv[], char *envp[])
goto usage;
}
- if (strcmp(argv[optind], "restore")) {
+ if (STRNEQ(argv[optind], "restore")) {
pr_msg("Error: --exec-cmd is available for the restore command only\n");
goto usage;
}
@@ -155,7 +155,7 @@ int main(int argc, char *argv[], char *envp[])
opts.exec_cmd[argc - optind - 1] = NULL;
} else {
/* No subcommands except for cpuinfo and restore --exec-cmd */
- if (strcmp(argv[optind], "cpuinfo") && has_sub_command) {
+ if (STRNEQ(argv[optind], "cpuinfo") && has_sub_command) {
pr_msg("Error: excessive parameter%s for command %s\n",
(argc - optind) > 2 ? "s" : "", argv[optind]);
goto usage;
@@ -163,7 +163,7 @@ int main(int argc, char *argv[], char *envp[])
}
/* We must not open imgs dir, if service is called */
- if (strcmp(argv[optind], "service")) {
+ if (STRNEQ(argv[optind], "service")) {
ret = open_image_dir(opts.imgs_dir);
if (ret < 0)
return 1;
@@ -194,7 +194,7 @@ int main(int argc, char *argv[], char *envp[])
pr_debug("DEPRECATED ON\n");
if (!list_empty(&opts.inherit_fds)) {
- if (strcmp(argv[optind], "restore")) {
+ if (STRNEQ(argv[optind], "restore")) {
pr_err("--inherit-fd is restore-only option\n");
return 1;
}
diff --git a/criu/file-lock.c b/criu/file-lock.c
index 8be7589df..9a9930d0f 100644
--- a/criu/file-lock.c
+++ b/criu/file-lock.c
@@ -195,7 +195,7 @@ static int lock_check_fd(int lfd, struct file_lock *fl)
} else {
/*
* The ret == 0 means, that new lock doesn't conflict
- * with any others on the file. But since we do know,
+ * with any others on the file. But since we do know,
* that there should be some other one (file is found
* in /proc/locks), it means that the lock is already
* on file pointed by fd.
@@ -223,7 +223,7 @@ static int lock_ofd_check_fd(int lfd, struct file_lock *fl)
.l_type = F_WRLCK,
.l_start = fl->start
};
- if (strcmp(fl->end, "EOF")) {
+ if (STRNEQ(fl->end, "EOF")) {
unsigned long end;
ret = sscanf(fl->end, "%lu", &end);
diff --git a/criu/files.c b/criu/files.c
index 5124a50ad..0f024f96a 100644
--- a/criu/files.c
+++ b/criu/files.c
@@ -286,7 +286,7 @@ static int fixup_overlayfs(struct fd_parms *p, struct fd_link *link)
* If the bug is present, the file path from /proc/<pid>/fd
* does not include the mountpoint, so we prepend it ourselves.
*/
- if (strcmp("./", m->mountpoint) != 0) {
+ if (STRNEQ("./", m->mountpoint) != 0) {
char buf[PATH_MAX];
int n;
diff --git a/criu/filesystems.c b/criu/filesystems.c
index d99cf3bf7..a371ada42 100644
--- a/criu/filesystems.c
+++ b/criu/filesystems.c
@@ -591,10 +591,9 @@ static int tracefs_parse(struct mount_info *pm)
static bool cgroup_sb_equal(struct mount_info *a, struct mount_info *b)
{
- if (a->private && b->private &&
- strcmp(a->private, b->private))
+ if (a->private && b->private && STRNEQ(a->private, b->private))
return false;
- if (strcmp(a->options, b->options))
+ if (STRNEQ(a->options, b->options))
return false;
return true;
@@ -644,7 +643,7 @@ static bool btrfs_sb_equal(struct mount_info *a, struct mount_info *b)
if ((posa && !posb) || (!posa && posb))
return false;
- if (posa && strcmp(posa, posb))
+ if (posa && STRNEQ(posa, posb))
return false;
return true;
diff --git a/criu/lsm.c b/criu/lsm.c
index c6e4e1b8f..a2e19ca86 100644
--- a/criu/lsm.c
+++ b/criu/lsm.c
@@ -188,7 +188,7 @@ int render_lsm_profile(char *profile, char **val)
switch (kdat.lsm) {
case LSMTYPE__APPARMOR:
- if (strcmp(profile, "unconfined") != 0 && asprintf(val, "changeprofile %s", profile) < 0) {
+ if (STRNEQ(profile, "unconfined") && asprintf(val, "changeprofile %s", profile) < 0) {
pr_err("allocating lsm profile failed\n");
*val = NULL;
return -1;
diff --git a/criu/mount.c b/criu/mount.c
index 4a2169e9b..f6467ffef 100644
--- a/criu/mount.c
+++ b/criu/mount.c
@@ -275,7 +275,7 @@ dev_t phys_stat_resolve_dev(struct ns_id *ns, dev_t st_dev, const char *path)
* superblock dev-id, in such case return device
* obtained from mountinfo (ie subvolume0).
*/
- return strcmp(m->fstype->name, "btrfs") ?
+ return STRNEQ(m->fstype->name, "btrfs") ?
MKKDEV(major(st_dev), minor(st_dev)) : m->s_dev;
}
@@ -299,13 +299,13 @@ static bool mounts_sb_equal(struct mount_info *a, struct mount_info *b)
if (a->s_dev != b->s_dev)
return false;
- if (strcmp(a->source, b->source) != 0)
+ if (STRNEQ(a->source, b->source) != 0)
return false;
if (a->fstype->sb_equal) /* :) */
return b->fstype->sb_equal(a, b);
- if (strcmp(a->options, b->options))
+ if (STRNEQ(a->options, b->options))
return false;
return true;
@@ -318,7 +318,7 @@ static bool mounts_equal(struct mount_info *a, struct mount_info *b)
{
if (!mounts_sb_equal(a, b))
return false;
- if (strcmp(a->root, b->root))
+ if (STRNEQ(a->root, b->root))
return false;
return true;
@@ -366,8 +366,7 @@ static struct mount_info *mnt_build_ids_tree(struct mount_info *list, struct mou
pr_debug("Mountpoint %d (@%s) w/o parent %d\n",
m->mnt_id, m->mountpoint, m->parent_mnt_id);
- if (!mounts_sb_equal(root, m) ||
- strcmp(root->root, m->root)) {
+ if (!mounts_sb_equal(root, m) || STRNEQ(root->root, m->root)) {
pr_err("Nested mount namespaces with different "
"roots %d (@%s %s) %d (@%s %s) are not supported yet\n",
root->mnt_id, root->mountpoint, root->root,
diff --git a/criu/net.c b/criu/net.c
index 827c5eee8..a8868b667 100644
--- a/criu/net.c
+++ b/criu/net.c
@@ -234,7 +234,7 @@ static int net_conf_op(char *tgt, SysctlEntry **conf, int n, int op, char *proto
* it's restore
*/
if (def_conf && sysctl_entries_equal(conf[i], def_conf[i])
- && strcmp(devconfs[i], "mtu")) {
+ && STRNEQ(devconfs[i], "mtu")) {
pr_debug("Skip %s/%s, coincides with default\n", tgt, devconfs[i]);
continue;
}
@@ -499,7 +499,7 @@ static int dump_one_netdev(int type, struct ifinfomsg *ifi,
for (i = 0; i < size6; i++) {
sysctl_entry__init(&confs6[i]);
netdev.conf6[i] = &confs6[i];
- if (strcmp(devconfs6[i], "stable_secret")) {
+ if (STRNEQ(devconfs6[i], "stable_secret")) {
netdev.conf6[i]->type = SYSCTL_TYPE__CTL_32;
} else {
netdev.conf6[i]->type = SYSCTL_TYPE__CTL_STR;
@@ -786,7 +786,7 @@ static int dump_one_sit(struct ifinfomsg *ifi, char *kind,
{
char *name;
- if (strcmp(kind, "sit")) {
+ if (STRNEQ(kind, "sit")) {
pr_err("SIT device with %s kind\n", kind);
return -1;
}
@@ -1880,7 +1880,7 @@ static int dump_netns_conf(struct ns_id *ns, struct cr_imgset *fds)
sysctl_entry__init(&all_confs6[i]);
netns.def_conf6[i] = &def_confs6[i];
netns.all_conf6[i] = &all_confs6[i];
- if (strcmp(devconfs6[i], "stable_secret")) {
+ if (STRNEQ(devconfs6[i], "stable_secret")) {
netns.def_conf6[i]->type = SYSCTL_TYPE__CTL_32;
netns.all_conf6[i]->type = SYSCTL_TYPE__CTL_32;
} else {
diff --git a/criu/proc_parse.c b/criu/proc_parse.c
index 03debf622..9dd8574d4 100644
--- a/criu/proc_parse.c
+++ b/criu/proc_parse.c
@@ -2212,7 +2212,7 @@ int parse_posix_timers(pid_t pid, struct proc_posix_timers_stat *args)
timer->spt.sival_ptr = NULL;
if (sscanf(pbuf, "%p", &timer->spt.sival_ptr) != 1 &&
- strcmp(pbuf, "(null)")) {
+ STRNEQ(pbuf, "(null)")) {
pr_err("Unable to parse '%s'\n", pbuf);
goto err;
}
@@ -2428,7 +2428,7 @@ int parse_task_cgroup(int pid, struct parasite_dump_cgroup_args *args, struct li
list_for_each_entry(ext, retl, l) {
char *pos;
- if (strcmp(ext->name, intern->name))
+ if (STRNEQ(ext->name, intern->name))
continue;
/* If the cgroup namespace was unshared at / (or there
@@ -2440,7 +2440,7 @@ int parse_task_cgroup(int pid, struct parasite_dump_cgroup_args *args, struct li
/* +1 here to chop off the leading / */
pos = ext->path + strlen(ext->path) - strlen(intern->path+1);
- if (strcmp(pos, intern->path+1)) {
+ if (STRNEQ(pos, intern->path+1)) {
pr_err("invalid cgroup configuration, %s is not a suffix of %s\n", intern->path, ext->path);
ret = -1;
goto out;
--
2.20.1
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