[dm-devel] [PATCH v3 08/10] libmultipath: fix gcc 8.1 "truncated output" warnings
Martin Wilck
mwilck at suse.com
Sun Jun 24 19:09:42 UTC 2018
gcc 8.1 was warning about a possibly truncated output in snprintf.
Signed-off-by: Martin Wilck <mwilck at suse.com>
---
libmultipath/sysfs.c | 4 ++--
libmultipath/util.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/libmultipath/sysfs.c b/libmultipath/sysfs.c
index 16e0a737..b7dacaad 100644
--- a/libmultipath/sysfs.c
+++ b/libmultipath/sysfs.c
@@ -239,7 +239,7 @@ sysfs_get_size (struct path *pp, unsigned long long * size)
int sysfs_check_holders(char * check_devt, char * new_devt)
{
unsigned int major, new_minor, table_minor;
- char path[PATH_SIZE], check_dev[PATH_SIZE];
+ char path[PATH_MAX], check_dev[PATH_SIZE];
char * table_name;
DIR *dirfd;
struct dirent *holder;
@@ -256,7 +256,7 @@ int sysfs_check_holders(char * check_devt, char * new_devt)
condlog(3, "%s: checking holder", check_dev);
- snprintf(path, PATH_SIZE, "/sys/block/%s/holders", check_dev);
+ snprintf(path, sizeof(path), "/sys/block/%s/holders", check_dev);
dirfd = opendir(path);
if (dirfd == NULL) {
condlog(3, "%s: failed to open directory %s (%d)",
diff --git a/libmultipath/util.c b/libmultipath/util.c
index 8d8fcc81..347af5b0 100644
--- a/libmultipath/util.c
+++ b/libmultipath/util.c
@@ -331,7 +331,7 @@ setup_thread_attr(pthread_attr_t *attr, size_t stacksize, int detached)
int systemd_service_enabled_in(const char *dev, const char *prefix)
{
- char path[PATH_SIZE], file[PATH_SIZE], service[PATH_SIZE];
+ char path[PATH_SIZE], file[PATH_MAX], service[PATH_SIZE];
DIR *dirfd;
struct dirent *d;
int found = 0;
@@ -358,7 +358,7 @@ int systemd_service_enabled_in(const char *dev, const char *prefix)
p = d->d_name + strlen(d->d_name) - 6;
if (strcmp(p, ".wants"))
continue;
- snprintf(file, PATH_SIZE, "%s/%s/%s",
+ snprintf(file, sizeof(file), "%s/%s/%s",
path, d->d_name, service);
if (stat(file, &stbuf) == 0) {
condlog(3, "%s: found %s", dev, file);
--
2.17.1
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