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dirent.h File Reference
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Data Structures

struct   dirent
 

Macros

#define  DT_UNKNOWN   0
 
#define  DT_FIFO   1
 
#define  DT_CHR   2
 
#define  DT_DIR   4
 
#define  DT_BLK   6
 
#define  DT_REG   8
 
#define  DT_LNK   10
 
#define  DT_SOCK   12
 
#define  DT_WHT   14
 

Typedefs

typedef struct DIR  DIR
 

Functions

DIR *  opendir (const char *)
 
struct dirent *  readdir (DIR *)
 
int  closedir (DIR *)
 

Macro Definition Documentation

◆ DT_BLK

#define DT_BLK   6

Definition at line 29 of file dirent.h.

◆ DT_CHR

#define DT_CHR   2

Definition at line 27 of file dirent.h.

◆ DT_DIR

#define DT_DIR   4

Definition at line 28 of file dirent.h.

◆ DT_FIFO

#define DT_FIFO   1

Definition at line 26 of file dirent.h.

◆ DT_LNK

#define DT_LNK   10

Definition at line 31 of file dirent.h.

◆ DT_REG

#define DT_REG   8

Definition at line 30 of file dirent.h.

◆ DT_SOCK

#define DT_SOCK   12

Definition at line 32 of file dirent.h.

◆ DT_UNKNOWN

#define DT_UNKNOWN   0

Definition at line 25 of file dirent.h.

◆ DT_WHT

#define DT_WHT   14

Definition at line 33 of file dirent.h.

Typedef Documentation

◆ DIR

typedef struct DIR DIR

Definition at line 18 of file dirent.h.

Function Documentation

◆ closedir()

int closedir ( DIR *  d )

Definition at line 127 of file dirent.c.

128{
129 int ret = 0;
130
131 if (d->handle != INVALID_HANDLE_VALUE)
132 ret = !FindClose(d->handle);
133 free(d->dirname);
134 free(d);
135
136 return ret;
137}
#define free(a)
Definition: header.h:65
HANDLE handle
Definition: dirent.c:29
char * dirname
Definition: dirent.c:27

References DIR::dirname, free, and DIR::handle.

Referenced by CleanupPriorWALFiles(), close_destination_dir(), FindEndOfXLOG(), FreeDesc(), FreeDir(), KillExistingArchiveStatus(), KillExistingWALSummaries(), KillExistingXLOG(), pg_check_dir(), pgfnames(), process_directory_recursively(), recurse_dir(), scan_directory(), scan_for_existing_tablespaces(), search_directory(), swap_catalog_files(), verify_directory(), verify_plain_backup_directory(), and verify_tar_backup().

◆ opendir()

DIR * opendir ( const char *  dirname )

Definition at line 33 of file dirent.c.

34{
35 DWORD attr;
36 DIR *d;
37
38 /* Make sure it is a directory */
39 attr = GetFileAttributes(dirname);
40 if (attr == INVALID_FILE_ATTRIBUTES)
41 {
42 errno = ENOENT;
43 return NULL;
44 }
45 if ((attr & FILE_ATTRIBUTE_DIRECTORY) != FILE_ATTRIBUTE_DIRECTORY)
46 {
47 errno = ENOTDIR;
48 return NULL;
49 }
50
51 d = malloc(sizeof(DIR));
52 if (!d)
53 {
54 errno = ENOMEM;
55 return NULL;
56 }
57 d->dirname = malloc(strlen(dirname) + 4);
58 if (!d->dirname)
59 {
60 errno = ENOMEM;
61 free(d);
62 return NULL;
63 }
64 strcpy(d->dirname, dirname);
65 if (d->dirname[strlen(d->dirname) - 1] != '/' &&
66 d->dirname[strlen(d->dirname) - 1] != '\\')
67 strcat(d->dirname, "\\"); /* Append backslash if not already there */
68 strcat(d->dirname, "*"); /* Search for entries named anything */
69 d->handle = INVALID_HANDLE_VALUE;
70 d->ret.d_ino = 0; /* no inodes on win32 */
71 d->ret.d_reclen = 0; /* not used on win32 */
73
74 return d;
75}
#define DT_UNKNOWN
Definition: dirent.h:25
#define malloc(a)
Definition: header.h:50
Definition: dirent.c:26
struct dirent ret
Definition: dirent.c:28
unsigned short d_reclen
Definition: dirent.h:12
long d_ino
Definition: dirent.h:11
unsigned char d_type
Definition: dirent.h:13

References dirent::d_ino, dirent::d_reclen, dirent::d_type, DIR::dirname, DT_UNKNOWN, free, DIR::handle, malloc, and DIR::ret.

Referenced by AllocateDir(), CleanupPriorWALFiles(), FindEndOfXLOG(), get_destination_dir(), KillExistingArchiveStatus(), KillExistingWALSummaries(), KillExistingXLOG(), main(), pg_check_dir(), pgfnames(), process_directory_recursively(), recurse_dir(), scan_directory(), scan_for_existing_tablespaces(), search_directory(), swap_catalog_files(), verify_directory(), and verify_plain_backup_directory().

◆ readdir()

struct dirent * readdir ( DIR *  d )

Definition at line 78 of file dirent.c.

79{
80 WIN32_FIND_DATA fd;
81
82 if (d->handle == INVALID_HANDLE_VALUE)
83 {
84 d->handle = FindFirstFile(d->dirname, &fd);
85 if (d->handle == INVALID_HANDLE_VALUE)
86 {
87 /* If there are no files, force errno=0 (unlike mingw) */
88 if (GetLastError() == ERROR_FILE_NOT_FOUND)
89 errno = 0;
90 else
91 _dosmaperr(GetLastError());
92 return NULL;
93 }
94 }
95 else
96 {
97 if (!FindNextFile(d->handle, &fd))
98 {
99 /* If there are no more files, force errno=0 (like mingw) */
100 if (GetLastError() == ERROR_NO_MORE_FILES)
101 errno = 0;
102 else
103 _dosmaperr(GetLastError());
104 return NULL;
105 }
106 }
107 strcpy(d->ret.d_name, fd.cFileName); /* Both strings are MAX_PATH long */
108 d->ret.d_namlen = strlen(d->ret.d_name);
109
110 /*
111 * For reparse points dwReserved0 field will contain the ReparseTag. We
112 * check this first, because reparse points are also reported as
113 * directories.
114 */
115 if ((fd.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) != 0 &&
116 (fd.dwReserved0 == IO_REPARSE_TAG_MOUNT_POINT))
117 d->ret.d_type = DT_LNK;
118 else if ((fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0)
119 d->ret.d_type = DT_DIR;
120 else
121 d->ret.d_type = DT_REG;
122
123 return &d->ret;
124}
#define DT_DIR
Definition: dirent.h:28
#define DT_REG
Definition: dirent.h:30
#define DT_LNK
Definition: dirent.h:31
static int fd(const char *x, int i)
Definition: preproc-init.c:105
char d_name[MAX_PATH]
Definition: dirent.h:15
unsigned short d_namlen
Definition: dirent.h:14
void _dosmaperr(unsigned long)
Definition: win32error.c:177

References _dosmaperr(), dirent::d_name, dirent::d_namlen, dirent::d_type, DIR::dirname, DT_DIR, DT_LNK, DT_REG, fd(), DIR::handle, and DIR::ret.

Referenced by CleanupPriorWALFiles(), FindEndOfXLOG(), FindStreamingStart(), KillExistingArchiveStatus(), KillExistingWALSummaries(), KillExistingXLOG(), pg_check_dir(), pgfnames(), process_directory_recursively(), ReadDirExtended(), recurse_dir(), rmtree(), scan_directory(), scan_for_existing_tablespaces(), search_directory(), swap_catalog_files(), verify_plain_backup_directory(), and verify_tar_backup().

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