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-rw-r--r--libglusterfs/src/common-utils.c52
-rw-r--r--libglusterfs/src/common-utils.h1
2 files changed, 48 insertions, 5 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index 737487d1d7..c9c396762a 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -1953,11 +1953,6 @@ out:
* power of two is returned.
*/
-/*
- * rounds up nr to next power of two. If nr is already a power of two, next
- * power of two is returned.
- */
-
inline int32_t
gf_roundup_next_power_of_two (uint32_t nr)
{
@@ -2092,3 +2087,50 @@ gf_strip_whitespace (char *str, int len)
GF_FREE (new_str);
return new_len;
}
+
+/* If the path exists use realpath(3) to handle extra slashes and to resolve
+ * symlinks else strip the extra slashes in the path and return */
+
+int
+gf_canonicalize_path (char *path)
+{
+ int ret = -1;
+ int path_len = 0;
+ int dir_path_len = 0;
+ char *tmppath = NULL;
+ char *dir = NULL;
+ char *tmpstr = NULL;
+
+ if (!path || *path != '/')
+ goto out;
+
+ tmppath = gf_strdup (path);
+ if (!tmppath)
+ goto out;
+
+ /* Strip the extra slashes and return */
+ bzero (path, strlen(path));
+ path[0] = '/';
+ dir = strtok_r(tmppath, "/", &tmpstr);
+
+ while (dir) {
+ dir_path_len = strlen(dir);
+ strncpy ((path + path_len + 1), dir, dir_path_len);
+ path_len += dir_path_len + 1;
+ dir = strtok_r (NULL, "/", &tmpstr);
+ if (dir)
+ strncpy ((path + path_len), "/", 1);
+ }
+ path[path_len] = '\0';
+ ret = 0;
+
+ out:
+ if (ret)
+ gf_log ("common-utils", GF_LOG_ERROR,
+ "Path manipulation failed");
+
+ if (tmppath)
+ GF_FREE(tmppath);
+
+ return ret;
+}
diff --git a/libglusterfs/src/common-utils.h b/libglusterfs/src/common-utils.h
index b2533ae175..9903edad45 100644
--- a/libglusterfs/src/common-utils.h
+++ b/libglusterfs/src/common-utils.h
@@ -486,4 +486,5 @@ char *get_path_name (char *word, char **path);
void gf_path_strip_trailing_slashes (char *path);
uint64_t get_mem_size ();
int gf_strip_whitespace (char *str, int len);
+int gf_canonicalize_path (char *path);
#endif /* _COMMON_UTILS_H */