summaryrefslogtreecommitdiff
path: root/dir.c
diff options
context:
space:
mode:
Diffstat (limited to 'dir.c')
-rw-r--r--dir.c199
1 files changed, 142 insertions, 57 deletions
diff --git a/dir.c b/dir.c
index 7e00b8f..1fca3ba 100644
--- a/dir.c
+++ b/dir.c
@@ -142,6 +142,32 @@ downcase (const char *filename)
#ifdef VMS
+static char *
+downcase_inplace(char *filename)
+{
+ char *name;
+ name = filename;
+ while (*name != '\0')
+ {
+ *name = tolower ((unsigned char)*name);
+ ++name;
+ }
+ return filename;
+}
+
+#ifndef _USE_STD_STAT
+/* VMS 8.2 fixed the VMS stat output to have unique st_dev and st_ino
+ when _USE_STD_STAT is used on the compile line.
+
+ Prior to _USE_STD_STAT support, the st_dev is a pointer to thread
+ static memory containing the device of the last filename looked up.
+
+ Todo: find out if the ino_t still needs to be faked on a directory.
+ */
+
+/* Define this if the older VMS_INO_T is needed */
+#define VMS_INO_T 1
+
static int
vms_hash (const char *name)
{
@@ -200,6 +226,10 @@ vmsstat_dir (const char *name, struct stat *st)
return 0;
}
+
+# define stat(__path, __sbuf) vmsstat_dir (__path, __sbuf)
+
+#endif /* _USE_STD_STAT */
#endif /* VMS */
/* Hash table of directories. */
@@ -225,7 +255,7 @@ struct directory_contents
# define FS_NTFS 0x2
# define FS_UNKNOWN 0x4
#else
-# ifdef VMS
+# ifdef VMS_INO_T
ino_t ino[3];
# else
ino_t ino;
@@ -246,7 +276,7 @@ directory_contents_hash_1 (const void *key_0)
ISTRING_HASH_1 (key->path_key, hash);
hash ^= ((unsigned int) key->dev << 4) ^ (unsigned int) key->ctime;
#else
-# ifdef VMS
+# ifdef VMS_INO_T
hash = (((unsigned int) key->dev << 4)
^ ((unsigned int) key->ino[0]
+ (unsigned int) key->ino[1]
@@ -269,7 +299,7 @@ directory_contents_hash_2 (const void *key_0)
ISTRING_HASH_2 (key->path_key, hash);
hash ^= ((unsigned int) key->dev << 4) ^ (unsigned int) ~key->ctime;
#else
-# ifdef VMS
+# ifdef VMS_INO_T
hash = (((unsigned int) key->dev << 4)
^ ~((unsigned int) key->ino[0]
+ (unsigned int) key->ino[1]
@@ -308,7 +338,7 @@ directory_contents_hash_cmp (const void *xv, const void *yv)
if (result)
return result;
#else
-# ifdef VMS
+# ifdef VMS_INO_T
result = MAKECMP(x->ino[0], y->ino[0]);
if (result)
return result;
@@ -419,13 +449,6 @@ find_directory (const char *name)
struct directory **dir_slot;
struct directory dir_key;
-#ifdef VMS
- if ((*name == '.') && (*(name+1) == 0))
- name = "[]";
- else
- name = vmsify (name,1);
-#endif
-
dir_key.name = name;
dir_slot = (struct directory **) hash_find_slot (&directories, &dir_key);
dir = *dir_slot;
@@ -439,7 +462,12 @@ find_directory (const char *name)
dir = xmalloc (sizeof (struct directory));
#if defined(HAVE_CASE_INSENSITIVE_FS) && defined(VMS)
- dir->name = strcache_add_len (downcase (name), p - name);
+ /* Todo: Why is this only needed on VMS? */
+ {
+ char *lname = downcase_inplace (xstrdup (name));
+ dir->name = strcache_add_len (lname, p - name);
+ free (lname);
+ }
#else
dir->name = strcache_add_len (name, p - name);
#endif
@@ -447,9 +475,7 @@ find_directory (const char *name)
/* The directory is not in the name hash table.
Find its device and inode numbers, and look it up by them. */
-#ifdef VMS
- r = vmsstat_dir (name, &st);
-#elif defined(WINDOWS32)
+#if defined(WINDOWS32)
{
char tem[MAXPATHLEN], *tstart, *tend;
@@ -492,7 +518,7 @@ find_directory (const char *name)
dc_key.path_key = w32_path = w32ify (name, 1);
dc_key.ctime = st.st_ctime;
#else
-# ifdef VMS
+# ifdef VMS_INO_T
dc_key.ino[0] = st.st_ino[0];
dc_key.ino[1] = st.st_ino[1];
dc_key.ino[2] = st.st_ino[2];
@@ -537,7 +563,7 @@ find_directory (const char *name)
else
dc->fs_flags = FS_UNKNOWN;
#else
-# ifdef VMS
+# ifdef VMS_INO_T
dc->ino[0] = st.st_ino[0];
dc->ino[1] = st.st_ino[1];
dc->ino[2] = st.st_ino[2];
@@ -602,11 +628,6 @@ dir_contents_file_exists_p (struct directory_contents *dir,
if (filename != 0)
_fnlwr (filename); /* lower case for FAT drives */
#endif
-
-#ifdef VMS
- filename = vmsify (filename,0);
-#endif
-
if (filename != 0)
{
struct dirfile dirfile_key;
@@ -679,7 +700,9 @@ dir_contents_file_exists_p (struct directory_contents *dir,
}
#if defined(VMS) && defined(HAVE_DIRENT_H)
- /* In VMS we get file versions too, which have to be stripped off */
+ /* In VMS we get file versions too, which have to be stripped off.
+ Some versions of VMS return versions on Unix files even when
+ the feature option to strip them is set. */
{
char *p = strrchr (d->d_name, ';');
if (p)
@@ -703,7 +726,8 @@ dir_contents_file_exists_p (struct directory_contents *dir,
{
df = xmalloc (sizeof (struct dirfile));
#if defined(HAVE_CASE_INSENSITIVE_FS) && defined(VMS)
- df->name = strcache_add_len (downcase (d->d_name), len);
+ /* TODO: Why is this only needed on VMS? */
+ df->name = strcache_add_len (downcase_inplace (d->d_name), len);
#else
df->name = strcache_add_len (d->d_name, len);
#endif
@@ -734,6 +758,15 @@ dir_contents_file_exists_p (struct directory_contents *dir,
int
dir_file_exists_p (const char *dirname, const char *filename)
{
+#ifdef VMS
+ if ((filename != NULL) && (dirname != NULL))
+ {
+ int want_vmsify;
+ want_vmsify = (strpbrk (dirname, ":<[") != NULL);
+ if (want_vmsify)
+ filename = vmsify (filename, 0);
+ }
+#endif
return dir_contents_file_exists_p (find_directory (dirname)->contents,
filename);
}
@@ -752,14 +785,24 @@ file_exists_p (const char *name)
return ar_member_date (name) != (time_t) -1;
#endif
+ dirend = strrchr (name, '/');
#ifdef VMS
- dirend = strrchr (name, ']');
if (dirend == 0)
- dirend = strrchr (name, ':');
+ {
+ dirend = strrchr (name, ']');
+ dirend == NULL ? dirend : dirend++;
+ }
if (dirend == 0)
- return dir_file_exists_p ("[]", name);
-#else /* !VMS */
- dirend = strrchr (name, '/');
+ {
+ dirend = strrchr (name, '>');
+ dirend == NULL ? dirend : dirend++;
+ }
+ if (dirend == 0)
+ {
+ dirend = strrchr (name, ':');
+ dirend == NULL ? dirend : dirend++;
+ }
+#endif /* VMS */
#ifdef HAVE_DOS_PATHS
/* Forward and backslashes might be mixed. We need the rightmost one. */
{
@@ -774,10 +817,9 @@ file_exists_p (const char *name)
if (dirend == 0)
#ifndef _AMIGA
return dir_file_exists_p (".", name);
-#else /* !VMS && !AMIGA */
+#else /* !AMIGA */
return dir_file_exists_p ("", name);
#endif /* AMIGA */
-#endif /* VMS */
slash = dirend;
if (dirend == name)
@@ -796,7 +838,13 @@ file_exists_p (const char *name)
p[dirend - name] = '\0';
dirname = p;
}
- return dir_file_exists_p (dirname, slash + 1);
+#ifdef VMS
+ if (*slash == '/')
+ slash++;
+#else
+ slash++;
+#endif
+ return dir_file_exists_p (dirname, slash);
}
/* Mark FILENAME as 'impossible' for 'file_impossible_p'.
@@ -811,16 +859,25 @@ file_impossible (const char *filename)
struct directory *dir;
struct dirfile *new;
-#ifdef VMS
- dirend = strrchr (p, ']');
- if (dirend == 0)
- dirend = strrchr (p, ':');
- dirend++;
- if (dirend == (char *)1)
- dir = find_directory ("[]");
-#else
dirend = strrchr (p, '/');
-# ifdef HAVE_DOS_PATHS
+#ifdef VMS
+ if (dirend == NULL)
+ {
+ dirend = strrchr (p, ']');
+ dirend == NULL ? dirend : dirend++;
+ }
+ if (dirend == NULL)
+ {
+ dirend = strrchr (p, '>');
+ dirend == NULL ? dirend : dirend++;
+ }
+ if (dirend == NULL)
+ {
+ dirend = strrchr (p, ':');
+ dirend == NULL ? dirend : dirend++;
+ }
+#endif
+#ifdef HAVE_DOS_PATHS
/* Forward and backslashes might be mixed. We need the rightmost one. */
{
const char *bslash = strrchr (p, '\\');
@@ -830,14 +887,13 @@ file_impossible (const char *filename)
if (!dirend && p[0] && p[1] == ':')
dirend = p + 1;
}
-# endif /* HAVE_DOS_PATHS */
+#endif /* HAVE_DOS_PATHS */
if (dirend == 0)
-# ifdef _AMIGA
+#ifdef _AMIGA
dir = find_directory ("");
-# else /* !VMS && !AMIGA */
+#else /* !AMIGA */
dir = find_directory (".");
-# endif /* AMIGA */
-#endif /* VMS */
+#endif /* AMIGA */
else
{
const char *dirname;
@@ -859,7 +915,14 @@ file_impossible (const char *filename)
dirname = cp;
}
dir = find_directory (dirname);
+#ifdef VMS
+ if (*slash == '/')
+ filename = p = slash + 1;
+ else
+ filename = p = slash;
+#else
filename = p = slash + 1;
+#endif
}
if (dir->contents == 0)
@@ -878,6 +941,7 @@ file_impossible (const char *filename)
new = xmalloc (sizeof (struct dirfile));
new->length = strlen (filename);
#if defined(HAVE_CASE_INSENSITIVE_FS) && defined(VMS)
+ /* todo: Why is this only needed on VMS? */
new->name = strcache_add_len (downcase (filename), new->length);
#else
new->name = strcache_add_len (filename, new->length);
@@ -895,13 +959,22 @@ file_impossible_p (const char *filename)
struct directory_contents *dir;
struct dirfile *dirfile;
struct dirfile dirfile_key;
-
#ifdef VMS
- dirend = strrchr (filename, ']');
- if (dirend == 0)
- dir = find_directory ("[]")->contents;
-#else
+ int want_vmsify = 0;
+#endif
+
dirend = strrchr (filename, '/');
+#ifdef VMS
+ if (dirend == NULL)
+ {
+ want_vmsify = (strpbrk (filename, "]>:^") != NULL);
+ dirend = strrchr (filename, ']');
+ }
+ if (dirend == NULL && want_vmsify)
+ dirend = strrchr (filename, '>');
+ if (dirend == NULL && want_vmsify)
+ dirend = strrchr (filename, ':');
+#endif
#ifdef HAVE_DOS_PATHS
/* Forward and backslashes might be mixed. We need the rightmost one. */
{
@@ -916,10 +989,9 @@ file_impossible_p (const char *filename)
if (dirend == 0)
#ifdef _AMIGA
dir = find_directory ("")->contents;
-#else /* !VMS && !AMIGA */
+#else /* !AMIGA */
dir = find_directory (".")->contents;
#endif /* AMIGA */
-#endif /* VMS */
else
{
const char *dirname;
@@ -941,7 +1013,14 @@ file_impossible_p (const char *filename)
dirname = cp;
}
dir = find_directory (dirname)->contents;
+#ifdef VMS
+ if (*slash == '/')
+ filename = slash + 1;
+ else
+ filename = slash;
+#else
filename = slash + 1;
+#endif
}
if (dir == 0 || dir->dirfiles.ht_vec == 0)
@@ -955,7 +1034,8 @@ file_impossible_p (const char *filename)
filename = downcase (filename);
#endif
#ifdef VMS
- filename = vmsify (filename, 1);
+ if (want_vmsify)
+ filename = vmsify (filename, 1);
#endif
dirfile_key.name = filename;
@@ -1005,7 +1085,7 @@ print_dir_data_base (void)
printf (_("# %s (key %s, mtime %d): could not be opened.\n"),
dir->name, dir->contents->path_key,dir->contents->mtime);
#else /* WINDOWS32 */
-#ifdef VMS
+#ifdef VMS_INO_T
printf (_("# %s (device %d, inode [%d,%d,%d]): could not be opened.\n"),
dir->name, dir->contents->dev,
dir->contents->ino[0], dir->contents->ino[1],
@@ -1041,7 +1121,7 @@ print_dir_data_base (void)
printf (_("# %s (key %s, mtime %d): "),
dir->name, dir->contents->path_key, dir->contents->mtime);
#else /* WINDOWS32 */
-#ifdef VMS
+#ifdef VMS_INO_T
printf (_("# %s (device %d, inode [%d,%d,%d]): "),
dir->name, dir->contents->dev,
dir->contents->ino[0], dir->contents->ino[1],
@@ -1179,9 +1259,14 @@ read_dirstream (__ptr_t stream)
* On MS-Windows, stat() "succeeds" for foo/bar/. where foo/bar is a
* regular file; fix that here.
*/
-#if !defined(stat) && !defined(WINDOWS32)
+#if !defined(stat) && !defined(WINDOWS32) || defined(VMS)
# ifndef VMS
int stat (const char *path, struct stat *sbuf);
+# else
+ /* We are done with the fake stat. Go back to the real stat */
+# ifdef stat
+# undef stat
+# endif
# endif
# define local_stat stat
#else