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-rw-r--r--api/src/glfs-fops.c74
1 files changed, 72 insertions, 2 deletions
diff --git a/api/src/glfs-fops.c b/api/src/glfs-fops.c
index 7572a94f2..10bb7d38b 100644
--- a/api/src/glfs-fops.c
+++ b/api/src/glfs-fops.c
@@ -13,7 +13,15 @@
#include "glfs-mem-types.h"
#include "syncop.h"
#include "glfs.h"
+#include <limits.h>
+#ifdef NAME_MAX
+#define GF_NAME_MAX NAME_MAX
+#else
+#define GF_NAME_MAX 255
+#endif
+
+#define READDIRBUF_SIZE (sizeof(struct dirent) + GF_NAME_MAX + 1)
int
glfs_loc_link (loc_t *loc, struct iatt *iatt)
@@ -1918,7 +1926,7 @@ gf_dirent_to_dirent (gf_dirent_t *gf_dirent, struct dirent *dirent)
dirent->d_namlen = strlen (gf_dirent->d_name);
#endif
- strncpy (dirent->d_name, gf_dirent->d_name, 256);
+ strncpy (dirent->d_name, gf_dirent->d_name, GF_NAME_MAX + 1);
}
@@ -2012,16 +2020,56 @@ glfd_entry_next (struct glfs_fd *glfd, int plus)
}
+static struct dirent *
+glfs_readdirbuf_get (struct glfs_fd *glfd)
+{
+ struct dirent *buf = NULL;
+
+ LOCK (&glfd->fd->lock);
+ {
+ buf = glfd->readdirbuf;
+ if (buf) {
+ memset (buf, 0, READDIRBUF_SIZE);
+ goto unlock;
+ }
+
+ buf = GF_CALLOC (1, READDIRBUF_SIZE, glfs_mt_readdirbuf_t);
+ if (!buf) {
+ errno = ENOMEM;
+ goto unlock;
+ }
+
+ glfd->readdirbuf = buf;
+ }
+unlock:
+ UNLOCK (&glfd->fd->lock);
+
+ return buf;
+}
+
+
int
-glfs_readdirplus_r (struct glfs_fd *glfd, struct stat *stat, struct dirent *buf,
+glfs_readdirplus_r (struct glfs_fd *glfd, struct stat *stat, struct dirent *ext,
struct dirent **res)
{
int ret = 0;
gf_dirent_t *entry = NULL;
+ struct dirent *buf = NULL;
__glfs_entry_fd (glfd);
errno = 0;
+
+ if (ext)
+ buf = ext;
+ else
+ buf = glfs_readdirbuf_get (glfd);
+
+ if (!buf) {
+ errno = ENOMEM;
+ return -1;
+ }
+
entry = glfd_entry_next (glfd, !!stat);
if (errno)
ret = -1;
@@ -2050,6 +2098,28 @@ glfs_readdir_r (struct glfs_fd *glfd, struct dirent *buf, struct dirent **res)
}
+struct dirent *
+glfs_readdirplus (struct glfs_fd *glfd, struct stat *stat)
+{
+ struct dirent *res = NULL;
+ int ret = -1;
+
+ ret = glfs_readdirplus_r (glfd, stat, NULL, &res);
+ if (ret)
+ return NULL;
+
+ return res;
+}
+
+
+
+struct dirent *
+glfs_readdir (struct glfs_fd *glfd)
+{
+ return glfs_readdirplus (glfd, NULL);
+}
+
+
int
glfs_statvfs (struct glfs *fs, const char *path, struct statvfs *buf)
{