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authorShehjar Tikoo <shehjart@zresearch.com>2009-05-05 16:03:09 +0530
committerAnand V. Avati <avati@amp.gluster.com>2009-05-05 17:46:54 +0530
commite749da85ec67dfa62af5702d199b8f1bcc53d1d7 (patch)
tree4682743a30964fd93546af615b4f51974c0cb23e /booster/src
parent1504e1d50c7efcf20fe55fc7db526bb1d364244a (diff)
booster: Add readlink API
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
Diffstat (limited to 'booster/src')
-rw-r--r--booster/src/booster.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/booster/src/booster.c b/booster/src/booster.c
index f2ae494c3..cdd55486d 100644
--- a/booster/src/booster.c
+++ b/booster/src/booster.c
@@ -165,6 +165,7 @@ static int (*real_mknod) (const char *path, mode_t mode, dev_t dev);
static int (*real_mkfifo) (const char *path, mode_t mode);
static int (*real_unlink) (const char *path);
static int (*real_symlink) (const char *oldpath, const char *newpath);
+static int (*real_readlink) (const char *path, char *buf, size_t bufsize);
#define RESOLVE(sym) do { \
if (!real_##sym) \
@@ -1446,6 +1447,24 @@ symlink (const char *oldpath, const char *newpath)
return ret;
}
+int
+readlink (const char *path, char *buf, size_t bufsize)
+{
+ int ret = -1;
+
+ ret = glusterfs_readlink (path, buf, bufsize);
+ if (((ret == -1) && (errno != ENODEV)) || (ret > 0))
+ return ret;
+
+ if (real_readlink == NULL) {
+ errno = ENOSYS;
+ ret = -1;
+ } else
+ ret = real_readlink (path, buf, bufsize);
+
+ return ret;
+}
+
pid_t
fork (void)
{
@@ -1511,6 +1530,7 @@ _init (void)
RESOLVE (mkfifo);
RESOLVE (unlink);
RESOLVE (symlink);
+ RESOLVE (readlink);
/* This must be called after resolving real functions
* above so that the socket based IO calls in libglusterfsclient