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move iterate_on_dir() from e2fsprogs to libbb

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2021-06-24 11:42:55 +02:00
parent 87c40cf4de
commit 1746218bee
4 changed files with 33 additions and 32 deletions
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27
e2fsprogs/e2fs_lib.c
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@ -8,33 +8,6 @@
#include "libbb.h"
#include "e2fs_lib.h"
#if INT_MAX == LONG_MAX
#define IF_LONG_IS_SAME(...) __VA_ARGS__
#define IF_LONG_IS_WIDER(...)
#else
#define IF_LONG_IS_SAME(...)
#define IF_LONG_IS_WIDER(...) __VA_ARGS__
#endif
/* Iterate a function on each entry of a directory */
int iterate_on_dir(const char *dir_name,
int FAST_FUNC (*func)(const char *, struct dirent *, void *),
void *private)
{
DIR *dir;
struct dirent *de;
dir = opendir(dir_name);
if (dir == NULL) {
return -1;
}
while ((de = readdir(dir)) != NULL) {
func(dir_name, de, private);
}
closedir(dir);
return 0;
}
/* Print file attributes on an ext2 file system */
const uint32_t e2attr_flags_value[] ALIGN4 = {
#ifdef ENABLE_COMPRESSION

5
e2fsprogs/e2fs_lib.h
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@ -11,11 +11,6 @@
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
/* Iterate a function on each entry of a directory */
int iterate_on_dir(const char *dir_name,
int FAST_FUNC (*func)(const char *, struct dirent *, void *),
void *private);
/* Print file attributes on an ext2 file system */
void print_e2flags_long(unsigned flags);
void print_e2flags(unsigned flags);

5
include/libbb.h
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@ -512,6 +512,11 @@ int recursive_action(const char *fileName, unsigned flags,
void *userData
) FAST_FUNC;
/* Simpler version: call a function on each dirent in a directory */
int iterate_on_dir(const char *dir_name,
int FAST_FUNC (*func)(const char *, struct dirent *, void *),
void *private) FAST_FUNC;
extern int device_open(const char *device, int mode) FAST_FUNC;
enum { GETPTY_BUFSIZE = 16 }; /* more than enough for "/dev/ttyXXX" */
extern int xgetpty(char *line) FAST_FUNC;

28
libbb/iterate_on_dir.c Normal file
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@ -0,0 +1,28 @@
/* vi: set sw=4 ts=4: */
/*
* See README for additional information
*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
//kbuild:lib-y += iterate_on_dir.o
#include "libbb.h"
/* Iterate a function on each entry of a directory */
int FAST_FUNC iterate_on_dir(const char *dir_name,
int FAST_FUNC (*func)(const char *, struct dirent *, void *),
void *private)
{
DIR *dir;
struct dirent *de;
dir = opendir(dir_name);
if (dir == NULL) {
return -1;
}
while ((de = readdir(dir)) != NULL) {
func(dir_name, de, private);
}
closedir(dir);
return 0;
}