staging/lustre/libcfs: remove cfs_iswhite

Kernel provides isspace().

Cc: Andreas Dilger <andreas.dilger@intel.com>
Cc: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h
index 83b7f42..73c251f 100644 (file)
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h
@@ -90,21 +90,6 @@ struct cfs_expr_list {
        struct list_head        el_exprs;
 };
 
-static inline int
-cfs_iswhite(char c)
-{
-       switch (c) {
-       case ' ':
-       case '\t':
-       case '\n':
-       case '\r':
-               return 1;
-       default:
-               break;
-       }
-       return 0;
-}
-
 char *cfs_trimwhite(char *str);
 int cfs_gettok(struct cfs_lstr *next, char delim, struct cfs_lstr *res);
 int cfs_str2num_check(char *str, int nob, unsigned *num,

diff --git a/drivers/staging/lustre/lnet/lnet/config.c b/drivers/staging/lustre/lnet/lnet/config.c
index 6a07b0a..d97464e 100644 (file)
--- a/drivers/staging/lustre/lnet/lnet/config.c
+++ b/drivers/staging/lustre/lnet/lnet/config.c
@@ -443,7 +443,7 @@ lnet_str2tbs_sep(struct list_head *tbs, char *str)
        /* Split 'str' into separate commands */
        for (;;) {
                /* skip leading whitespace */
-               while (cfs_iswhite(*str))
+               while (isspace(*str))
                        str++;
 
                /* scan for separator or comment */
@@ -460,7 +460,7 @@ lnet_str2tbs_sep(struct list_head *tbs, char *str)
                        }
 
                        for (i = 0; i < nob; i++)
-                               if (cfs_iswhite(str[i]))
+                               if (isspace(str[i]))
                                        ltb->ltb_text[i] = ' ';
                                else
                                        ltb->ltb_text[i] = str[i];
@@ -667,7 +667,7 @@ lnet_parse_route(char *str, int *im_a_router)
        sep = str;
        for (;;) {
                /* scan for token start */
-               while (cfs_iswhite(*sep))
+               while (isspace(*sep))
                        sep++;
                if (*sep == 0) {
                        if (ntokens < (got_hops ? 3 : 2))
@@ -679,7 +679,7 @@ lnet_parse_route(char *str, int *im_a_router)
                token = sep++;
 
                /* scan for token end */
-               while (*sep != 0 && !cfs_iswhite(*sep))
+               while (*sep != 0 && !isspace(*sep))
                        sep++;
                if (*sep != 0)
                        *sep++ = 0;
@@ -858,7 +858,7 @@ lnet_match_network_tokens(char *net_entry, __u32 *ipaddrs, int nip)
        sep = tokens;
        for (;;) {
                /* scan for token start */
-               while (cfs_iswhite(*sep))
+               while (isspace(*sep))
                        sep++;
                if (*sep == 0)
                        break;
@@ -866,7 +866,7 @@ lnet_match_network_tokens(char *net_entry, __u32 *ipaddrs, int nip)
                token = sep++;
 
                /* scan for token end */
-               while (*sep != 0 && !cfs_iswhite(*sep))
+               while (*sep != 0 && !isspace(*sep))
                        sep++;
                if (*sep != 0)
                        *sep++ = 0;

diff --git a/drivers/staging/lustre/lustre/libcfs/libcfs_string.c b/drivers/staging/lustre/lustre/libcfs/libcfs_string.c
index b9ed2a8..ed0a6b5 100644 (file)
--- a/drivers/staging/lustre/lustre/libcfs/libcfs_string.c
+++ b/drivers/staging/lustre/lustre/libcfs/libcfs_string.c
@@ -143,12 +143,12 @@ cfs_trimwhite(char *str)
 {
        char *end;
 
-       while (cfs_iswhite(*str))
+       while (isspace(*str))
                str++;
 
        end = str + strlen(str);
        while (end > str) {
-               if (!cfs_iswhite(end[-1]))
+               if (!isspace(end[-1]))
                        break;
                end--;
        }
@@ -178,7 +178,7 @@ cfs_gettok(struct cfs_lstr *next, char delim, struct cfs_lstr *res)
 
        /* skip leading white spaces */
        while (next->ls_len) {
-               if (!cfs_iswhite(*next->ls_str))
+               if (!isspace(*next->ls_str))
                        break;
                next->ls_str++;
                next->ls_len--;
@@ -205,7 +205,7 @@ cfs_gettok(struct cfs_lstr *next, char delim, struct cfs_lstr *res)
 
        /* skip ending whitespaces */
        while (--end != res->ls_str) {
-               if (!cfs_iswhite(*end))
+               if (!isspace(*end))
                        break;
        }
 
@@ -234,7 +234,7 @@ cfs_str2num_check(char *str, int nob, unsigned *num,
                return 0;
 
        for (; endp < str + nob; endp++) {
-               if (!cfs_iswhite(*endp))
+               if (!isspace(*endp))
                        return 0;
        }