libmount: fix compiler warnings [-Wunused-parameter -Wsign-compare]
Signed-off-by: Karel Zak <kzak@redhat.com>
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85d7a416f1
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@ -79,7 +79,7 @@ static void __attribute__((__noreturn__)) print_version(void)
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exit(EX_SUCCESS);
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}
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static int table_parser_errcb(struct libmnt_table *tb,
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static int table_parser_errcb(struct libmnt_table *tb __attribute__((__unused__)),
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const char *filename, int line)
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{
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if (filename)
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@ -86,7 +86,7 @@ struct libmnt_cache *mnt_new_cache(void)
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*/
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void mnt_free_cache(struct libmnt_cache *cache)
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{
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int i;
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size_t i;
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if (!cache)
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return;
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@ -181,7 +181,7 @@ static int cache_add_tag(struct libmnt_cache *cache, const char *tagname,
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*/
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static const char *cache_find_path(struct libmnt_cache *cache, const char *path)
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{
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int i;
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size_t i;
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assert(cache);
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assert(path);
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@ -205,7 +205,7 @@ static const char *cache_find_path(struct libmnt_cache *cache, const char *path)
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static const char *cache_find_tag(struct libmnt_cache *cache,
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const char *token, const char *value)
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{
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int i;
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size_t i;
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size_t tksz;
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assert(cache);
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@ -231,7 +231,7 @@ static const char *cache_find_tag(struct libmnt_cache *cache,
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static char *cache_find_tag_value(struct libmnt_cache *cache,
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const char *devname, const char *token)
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{
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int i;
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size_t i;
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assert(cache);
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assert(devname);
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@ -297,7 +297,8 @@ static int cache_get_probe(struct libmnt_cache *cache, const char *devname,
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*/
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int mnt_cache_read_tags(struct libmnt_cache *cache, const char *devname)
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{
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int i, ntags = 0, rc;
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size_t i, ntags = 0;
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int rc;
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const char *tags[] = { "LABEL", "UUID", "TYPE" };
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assert(cache);
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@ -355,7 +356,7 @@ int mnt_cache_read_tags(struct libmnt_cache *cache, const char *devname)
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ntags++;
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}
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DBG(CACHE, mnt_debug_h(cache, "\tread %d tags", ntags));
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DBG(CACHE, mnt_debug_h(cache, "\tread %zd tags", ntags));
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return ntags ? 0 : 1;
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error:
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return -1;
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@ -1244,7 +1244,7 @@ int mnt_context_prepare_helper(struct libmnt_context *cxt, const char *name,
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path, name, type);
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path = strtok_r(NULL, ":", &p);
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if (rc >= sizeof(helper) || rc < 0)
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if (rc < 0 || (size_t) rc >= sizeof(helper))
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continue;
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rc = stat(helper, &st);
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@ -1595,7 +1595,9 @@ int mnt_context_set_syscall_status(struct libmnt_context *cxt, int status)
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*
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* Returns: 0 or negative number in case of error.
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*/
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int mnt_context_strerror(struct libmnt_context *cxt, char *buf, size_t bufsiz)
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int mnt_context_strerror(struct libmnt_context *cxt __attribute__((__unused__)),
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char *buf __attribute__((__unused__)),
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size_t bufsiz __attribute__((__unused__)))
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{
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/* TODO: based on cxt->syscall_errno or cxt->helper_status */
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return 0;
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@ -1605,7 +1607,7 @@ int mnt_context_strerror(struct libmnt_context *cxt, char *buf, size_t bufsiz)
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* mnt_context_init_helper
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* @cxt: mount context
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* @action: MNT_ACT_{UMOUNT,MOUNT}
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* @flags: not used
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* @flags: not used now
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*
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* This function infors libmount that used from [u]mount.type helper.
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*
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@ -1618,7 +1620,8 @@ int mnt_context_strerror(struct libmnt_context *cxt, char *buf, size_t bufsiz)
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*
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* Returns: 0 on success, negative number in case of error.
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*/
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int mnt_context_init_helper(struct libmnt_context *cxt, int action, int flags)
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int mnt_context_init_helper(struct libmnt_context *cxt, int action,
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int flags __attribute__((__unused__)))
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{
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int rc = mnt_context_disable_helpers(cxt, TRUE);
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@ -236,7 +236,7 @@ err:
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* traditional mtab locking
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*/
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static void mnt_lockalrm_handler(int sig)
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static void mnt_lockalrm_handler(int sig __attribute__((__unused__)))
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{
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/* do nothing, say nothing, be nothing */
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}
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@ -263,7 +263,8 @@ static int check_option(const char *haystack, size_t len,
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for (p = haystack; p && p < haystack + len; p++) {
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char *sep = strchr(p, ',');
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size_t plen = sep ? sep - p : len - (p - haystack);
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size_t plen = sep ? (size_t) (sep - p) :
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len - (p - haystack);
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if (plen == needle_len) {
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if (!strncmp(p, needle, plen))
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@ -309,7 +310,8 @@ int mnt_match_options(const char *optstr, const char *pattern)
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for (p = pattern; p < pattern + len; p++) {
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char *sep = strchr(p, ',');
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size_t plen = sep ? sep - p : len - (p - pattern);
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size_t plen = sep ? (size_t) (sep - p) :
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len - (p - pattern);
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if (!plen)
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continue; /* if two ',' appear in a row */
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