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-rw-r--r--io/ftw.c61
1 files changed, 38 insertions, 23 deletions
diff --git a/io/ftw.c b/io/ftw.c
index 8cccbacd37..e0835c2839 100644
--- a/io/ftw.c
+++ b/io/ftw.c
@@ -31,6 +31,19 @@
/* #define NDEBUG 1 */
#include <assert.h>
+/* Support for the LFS API version. */
+#ifndef FTW_NAME
+# define FTW_NAME ftw
+# define NFTW_NAME nftw
+# define INO_T ino_t
+# define STAT stat
+# define DIRENT dirent
+# define READDIR readdir
+# define LXSTAT __lxstat
+# define XSTAT __xstat
+# define FTW_FUNC_T __ftw_func_t
+# define NFTW_FUNC_T __nftw_func_t
+#endif
struct dir_data
{
@@ -41,7 +54,7 @@ struct dir_data
struct known_object
{
dev_t dev;
- ino_t ino;
+ INO_T ino;
};
struct ftw_data
@@ -68,7 +81,7 @@ struct ftw_data
int *cvt_arr;
/* Callback function. We always use the `nftw' form. */
- __nftw_func_t func;
+ NFTW_FUNC_T func;
/* Device of starting point. Needed for FTW_MOUNT. */
dev_t dev;
@@ -94,7 +107,7 @@ static int ftw_arr[] =
/* Forward declarations of local functions. */
-static int ftw_dir (struct ftw_data *data, struct stat *st);
+static int ftw_dir (struct ftw_data *data, struct STAT *st) internal_function;
static int
@@ -113,7 +126,7 @@ object_compare (const void *p1, const void *p2)
static inline int
-add_object (struct ftw_data *data, struct stat *st)
+add_object (struct ftw_data *data, struct STAT *st)
{
struct known_object *newp = malloc (sizeof (struct known_object));
if (newp == NULL)
@@ -125,7 +138,7 @@ add_object (struct ftw_data *data, struct stat *st)
static inline int
-find_object (struct ftw_data *data, struct stat *st)
+find_object (struct ftw_data *data, struct STAT *st)
{
struct known_object obj = { dev: st->st_dev, ino: st->st_ino };
return __tfind (&obj, &data->known_objects, object_compare) != NULL;
@@ -150,10 +163,10 @@ open_dir_stream (struct ftw_data *data, struct dir_data *dirp)
else
{
DIR *st = data->dirstreams[data->actdir]->stream;
- struct dirent *d;
+ struct DIRENT *d;
size_t actsize = 0;
- while ((d = readdir (st)) != NULL)
+ while ((d = READDIR (st)) != NULL)
{
size_t this_len = _D_EXACT_NAMLEN (d);
if (actsize + this_len + 2 >= bufsize)
@@ -225,7 +238,7 @@ static inline int
process_entry (struct ftw_data *data, struct dir_data *dir, const char *name,
size_t namlen)
{
- struct stat st;
+ struct STAT st;
int result = 0;
int flag;
@@ -250,13 +263,13 @@ process_entry (struct ftw_data *data, struct dir_data *dir, const char *name,
data->dirbuf[data->ftw.base + namlen] = '\0';
if (((data->flags & FTW_PHYS)
- ? __lxstat (_STAT_VER, data->dirbuf, &st)
- : __xstat (_STAT_VER, data->dirbuf, &st)) < 0)
+ ? LXSTAT (_STAT_VER, data->dirbuf, &st)
+ : XSTAT (_STAT_VER, data->dirbuf, &st)) < 0)
{
if (errno != EACCES && errno != ENOENT)
result = -1;
else if (!(data->flags & FTW_PHYS)
- && __lxstat (_STAT_VER, data->dirbuf, &st) == 0
+ && LXSTAT (_STAT_VER, data->dirbuf, &st) == 0
&& S_ISLNK (st.st_mode))
flag = FTW_SLN;
else
@@ -324,10 +337,11 @@ process_entry (struct ftw_data *data, struct dir_data *dir, const char *name,
static int
-ftw_dir (struct ftw_data *data, struct stat *st)
+internal_function
+ftw_dir (struct ftw_data *data, struct STAT *st)
{
struct dir_data dir;
- struct dirent *d;
+ struct DIRENT *d;
int previous_base = data->ftw.base;
int result;
char *startp;
@@ -386,7 +400,7 @@ ftw_dir (struct ftw_data *data, struct stat *st)
*startp++ = '/';
data->ftw.base = startp - data->dirbuf;
- while (dir.stream != NULL && (d = readdir (dir.stream)) != NULL)
+ while (dir.stream != NULL && (d = READDIR (dir.stream)) != NULL)
{
result = process_entry (data, &dir, d->d_name, _D_EXACT_NAMLEN (d));
if (result != 0)
@@ -445,11 +459,12 @@ ftw_dir (struct ftw_data *data, struct stat *st)
static int
+internal_function
ftw_startup (const char *dir, int is_nftw, void *func, int descriptors,
int flags)
{
struct ftw_data data;
- struct stat st;
+ struct STAT st;
int result = 0;
int save_err;
char *cwd = NULL;
@@ -497,7 +512,7 @@ ftw_startup (const char *dir, int is_nftw, void *func, int descriptors,
every case the callback using the format of the `nftw' version
and get the correct result since the stack layout for a function
call in C allows this. */
- data.func = (__nftw_func_t) func;
+ data.func = (NFTW_FUNC_T) func;
/* Since we internally use the complete set of FTW_* values we need
to reduce the value range before calling a `ftw' callback. */
@@ -534,14 +549,14 @@ ftw_startup (const char *dir, int is_nftw, void *func, int descriptors,
/* Get stat info for start directory. */
if (result == 0)
if (((flags & FTW_PHYS)
- ? __lxstat (_STAT_VER, data.dirbuf, &st)
- : __xstat (_STAT_VER, data.dirbuf, &st)) < 0)
+ ? LXSTAT (_STAT_VER, data.dirbuf, &st)
+ : XSTAT (_STAT_VER, data.dirbuf, &st)) < 0)
{
if (errno == EACCES)
result = (*data.func) (data.dirbuf, &st, FTW_NS, &data.ftw);
else if (!(flags & FTW_PHYS)
&& errno == ENOENT
- && __lxstat (_STAT_VER, dir, &st) == 0
+ && LXSTAT (_STAT_VER, dir, &st) == 0
&& S_ISLNK (st.st_mode))
result = (*data.func) (data.dirbuf, &st, data.cvt_arr[FTW_SLN],
&data.ftw);
@@ -597,18 +612,18 @@ ftw_startup (const char *dir, int is_nftw, void *func, int descriptors,
/* Entry points. */
int
-ftw (path, func, descriptors)
+FTW_NAME (path, func, descriptors)
const char *path;
- __ftw_func_t func;
+ FTW_FUNC_T func;
int descriptors;
{
return ftw_startup (path, 0, func, descriptors, 0);
}
int
-nftw (path, func, descriptors, flags)
+NFTW_NAME (path, func, descriptors, flags)
const char *path;
- __nftw_func_t func;
+ NFTW_FUNC_T func;
int descriptors;
int flags;
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 06:17:19 +0000