spin_lock_irqsave(&libcfs_nidstring_lock, flags);
str = libcfs_nidstrings[libcfs_nidstring_idx++];
- if (libcfs_nidstring_idx ==
- sizeof(libcfs_nidstrings)/sizeof(libcfs_nidstrings[0]))
+ if (libcfs_nidstring_idx == ARRAY_SIZE(libcfs_nidstrings))
libcfs_nidstring_idx = 0;
spin_unlock_irqrestore(&libcfs_nidstring_lock, flags);
}
EXPORT_SYMBOL(libcfs_next_nidstring);
-static int libcfs_lo_str2addr(const char *str, int nob, __u32 *addr);
-static void libcfs_ip_addr2str(__u32 addr, char *str, size_t size);
-static int libcfs_ip_str2addr(const char *str, int nob, __u32 *addr);
+static int
+libcfs_lo_str2addr(const char *str, int nob, __u32 *addr)
+{
+ *addr = 0;
+ return 1;
+}
+
+static void
+libcfs_ip_addr2str(__u32 addr, char *str, size_t size)
+{
+ snprintf(str, size, "%u.%u.%u.%u",
+ (addr >> 24) & 0xff, (addr >> 16) & 0xff,
+ (addr >> 8) & 0xff, addr & 0xff);
+}
+
+/* CAVEAT EMPTOR XscanfX
+ * I use "%n" at the end of a sscanf format to detect trailing junk. However
+ * sscanf may return immediately if it sees the terminating '0' in a string, so
+ * I initialise the %n variable to the expected length. If sscanf sets it;
+ * fine, if it doesn't, then the scan ended at the end of the string, which is
+ * fine too :) */
+static int
+libcfs_ip_str2addr(const char *str, int nob, __u32 *addr)
+{
+ unsigned int a;
+ unsigned int b;
+ unsigned int c;
+ unsigned int d;
+ int n = nob; /* XscanfX */
+
+ /* numeric IP? */
+ if (sscanf(str, "%u.%u.%u.%u%n", &a, &b, &c, &d, &n) >= 4 &&
+ n == nob &&
+ (a & ~0xff) == 0 && (b & ~0xff) == 0 &&
+ (c & ~0xff) == 0 && (d & ~0xff) == 0) {
+ *addr = ((a<<24)|(b<<16)|(c<<8)|d);
+ return 1;
+ }
+ return 0;
+}
+
+static int
+libcfs_ip_addr_range_print(char *buffer, int count, struct list_head *list)
+{
+ int i = 0, j = 0;
+ struct cfs_expr_list *el;
+
+ list_for_each_entry(el, list, el_link) {
+ LASSERT(j++ < 4);
+ if (i != 0)
+ i += scnprintf(buffer + i, count - i, ".");
+ i += cfs_expr_list_print(buffer + i, count - i, el);
+ }
+ return i;
+}
+
+/**
+ * Print the network part of the nidrange \a nr into the specified \a buffer.
+ *
+ * \retval number of characters written
+ */
+static void
+libcfs_decnum_addr2str(__u32 addr, char *str, size_t size)
+{
+ snprintf(str, size, "%u", addr);
+}
+
+static void
+libcfs_hexnum_addr2str(__u32 addr, char *str, size_t size)
+{
+ snprintf(str, size, "0x%x", addr);
+}
+
+static int
+libcfs_num_str2addr(const char *str, int nob, __u32 *addr)
+{
+ int n;
+
+ n = nob;
+ if (sscanf(str, "0x%x%n", addr, &n) >= 1 && n == nob)
+ return 1;
+
+ n = nob;
+ if (sscanf(str, "0X%x%n", addr, &n) >= 1 && n == nob)
+ return 1;
+
+ n = nob;
+ if (sscanf(str, "%u%n", addr, &n) >= 1 && n == nob)
+ return 1;
+
+ return 0;
+}
+
+/**
+ * Nf_parse_addrlist method for networks using numeric addresses.
+ *
+ * Examples of such networks are gm and elan.
+ *
+ * \retval 0 if \a str parsed to numeric address
+ * \retval errno otherwise
+ */
+static int
+libcfs_num_parse(char *str, int len, struct list_head *list)
+{
+ struct cfs_expr_list *el;
+ int rc;
+
+ rc = cfs_expr_list_parse(str, len, 0, MAX_NUMERIC_VALUE, &el);
+ if (rc == 0)
+ list_add_tail(&el->el_link, list);
+
+ return rc;
+}
+
+static int
+libcfs_num_addr_range_print(char *buffer, int count, struct list_head *list)
+{
+ int i = 0, j = 0;
+ struct cfs_expr_list *el;
+
+ list_for_each_entry(el, list, el_link) {
+ LASSERT(j++ < 1);
+ i += cfs_expr_list_print(buffer + i, count - i, el);
+ }
+ return i;
+}
+
+/*
+ * Nf_match_addr method for networks using numeric addresses
+ *
+ * \retval 1 on match
+ * \retval 0 otherwise
+ */
+static int
+libcfs_num_match(__u32 addr, struct list_head *numaddr)
+{
+ struct cfs_expr_list *el;
+
+ LASSERT(!list_empty(numaddr));
+ el = list_entry(numaddr->next, struct cfs_expr_list, el_link);
+
+ return cfs_expr_list_match(addr, el);
+}
+
static bool cfs_ip_is_contiguous(struct list_head *nidlist);
static void cfs_ip_min_max(struct list_head *nidlist, __u32 *min, __u32 *max);
-static void libcfs_decnum_addr2str(__u32 addr, char *str, size_t size);
-static void libcfs_hexnum_addr2str(__u32 addr, char *str, size_t size);
-static int libcfs_num_str2addr(const char *str, int nob, __u32 *addr);
-static int libcfs_num_parse(char *str, int len, struct list_head *list);
-static int libcfs_num_match(__u32 addr, struct list_head *list);
-static int libcfs_num_addr_range_print(char *buffer, int count,
- struct list_head *list);
-static int libcfs_ip_addr_range_print(char *buffer, int count,
- struct list_head *list);
static bool cfs_num_is_contiguous(struct list_head *nidlist);
static void cfs_num_min_max(struct list_head *nidlist, __u32 *min, __u32 *max);
{/* .nf_type */ -1},
};
-static const size_t libcfs_nnetstrfns =
- sizeof(libcfs_netstrfns)/sizeof(libcfs_netstrfns[0]);
-
-static int
-libcfs_lo_str2addr(const char *str, int nob, __u32 *addr)
-{
- *addr = 0;
- return 1;
-}
-
-static void
-libcfs_ip_addr2str(__u32 addr, char *str, size_t size)
-{
- snprintf(str, size, "%u.%u.%u.%u",
- (addr >> 24) & 0xff, (addr >> 16) & 0xff,
- (addr >> 8) & 0xff, addr & 0xff);
-}
-
-/* CAVEAT EMPTOR XscanfX
- * I use "%n" at the end of a sscanf format to detect trailing junk. However
- * sscanf may return immediately if it sees the terminating '0' in a string, so
- * I initialise the %n variable to the expected length. If sscanf sets it;
- * fine, if it doesn't, then the scan ended at the end of the string, which is
- * fine too :) */
-static int
-libcfs_ip_str2addr(const char *str, int nob, __u32 *addr)
-{
- unsigned int a;
- unsigned int b;
- unsigned int c;
- unsigned int d;
- int n = nob; /* XscanfX */
-
- /* numeric IP? */
- if (sscanf(str, "%u.%u.%u.%u%n", &a, &b, &c, &d, &n) >= 4 &&
- n == nob &&
- (a & ~0xff) == 0 && (b & ~0xff) == 0 &&
- (c & ~0xff) == 0 && (d & ~0xff) == 0) {
- *addr = ((a<<24)|(b<<16)|(c<<8)|d);
- return 1;
- }
- return 0;
-}
-
-static void
-libcfs_decnum_addr2str(__u32 addr, char *str, size_t size)
-{
- snprintf(str, size, "%u", addr);
-}
-
-static void
-libcfs_hexnum_addr2str(__u32 addr, char *str, size_t size)
-{
- snprintf(str, size, "0x%x", addr);
-}
-
-static int
-libcfs_num_str2addr(const char *str, int nob, __u32 *addr)
-{
- int n;
-
- n = nob;
- if (sscanf(str, "0x%x%n", addr, &n) >= 1 && n == nob)
- return 1;
-
- n = nob;
- if (sscanf(str, "0X%x%n", addr, &n) >= 1 && n == nob)
- return 1;
-
- n = nob;
- if (sscanf(str, "%u%n", addr, &n) >= 1 && n == nob)
- return 1;
-
- return 0;
-}
+static const size_t libcfs_nnetstrfns = ARRAY_SIZE(libcfs_netstrfns);
static struct netstrfns *
libcfs_lnd2netstrfns(__u32 lnd)
};
/**
- * Nf_parse_addrlist method for networks using numeric addresses.
- *
- * Examples of such networks are gm and elan.
- *
- * \retval 0 if \a str parsed to numeric address
- * \retval errno otherwise
- */
-static int
-libcfs_num_parse(char *str, int len, struct list_head *list)
-{
- struct cfs_expr_list *el;
- int rc;
-
- rc = cfs_expr_list_parse(str, len, 0, MAX_NUMERIC_VALUE, &el);
- if (rc == 0)
- list_add_tail(&el->el_link, list);
-
- return rc;
-}
-
-/**
* Parses \<addrrange\> token on the syntax.
*
* Allocates struct addrrange and links to \a nidrange via
}
EXPORT_SYMBOL(cfs_parse_nidlist);
-/*
- * Nf_match_addr method for networks using numeric addresses
- *
- * \retval 1 on match
- * \retval 0 otherwise
- */
-static int
-libcfs_num_match(__u32 addr, struct list_head *numaddr)
-{
- struct cfs_expr_list *el;
-
- LASSERT(!list_empty(numaddr));
- el = list_entry(numaddr->next, struct cfs_expr_list, el_link);
-
- return cfs_expr_list_match(addr, el);
-}
-
/**
* Matches a nid (\a nid) against the compiled list of nidranges (\a nidlist).
*
}
EXPORT_SYMBOL(cfs_match_nid);
-static int
-libcfs_num_addr_range_print(char *buffer, int count, struct list_head *list)
-{
- int i = 0, j = 0;
- struct cfs_expr_list *el;
-
- list_for_each_entry(el, list, el_link) {
- LASSERT(j++ < 1);
- i += cfs_expr_list_print(buffer + i, count - i, el);
- }
- return i;
-}
-
-static int
-libcfs_ip_addr_range_print(char *buffer, int count, struct list_head *list)
-{
- int i = 0, j = 0;
- struct cfs_expr_list *el;
-
- list_for_each_entry(el, list, el_link) {
- LASSERT(j++ < 4);
- if (i != 0)
- i += scnprintf(buffer + i, count - i, ".");
- i += cfs_expr_list_print(buffer + i, count - i, el);
- }
- return i;
-}
-
-
/**
* Print the network part of the nidrange \a nr into the specified \a buffer.
*
git://git.whamcloud.com / fs / lustre-release.git / blobdiff