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glocalfile: Use g_canonicalize_filename

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Drop the local function in favor of the exposed
one.

https://bugzilla.gnome.org/show_bug.cgi?id=111848
This commit is contained in:
Georges Basile Stavracas Neto 2018-04-27 13:01:45 -03:00 committed by Philip Withnall
parent b9b642de06
commit 0f37af7e9b
1 changed files with 3 additions and 102 deletions
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105
gio/glocalfile.c
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@ -199,112 +199,13 @@ _g_local_file_get_filename (GLocalFile *file)
return file->filename;
}
static char *
canonicalize_filename (const char *filename)
{
char *canon, *start, *p, *q;
char *cwd;
int i;
if (!g_path_is_absolute (filename))
{
cwd = g_get_current_dir ();
canon = g_build_filename (cwd, filename, NULL);
g_free (cwd);
}
else
canon = g_strdup (filename);
start = (char *)g_path_skip_root (canon);
if (start == NULL)
{
/* This shouldn't really happen, as g_get_current_dir() should
return an absolute pathname, but bug 573843 shows this is
not always happening */
g_free (canon);
return g_build_filename (G_DIR_SEPARATOR_S, filename, NULL);
}
/* POSIX allows double slashes at the start to
* mean something special (as does windows too).
* So, "//" != "/", but more than two slashes
* is treated as "/".
*/
i = 0;
for (p = start - 1;
(p >= canon) &&
G_IS_DIR_SEPARATOR (*p);
p--)
i++;
if (i > 2)
{
i -= 1;
start -= i;
memmove (start, start+i, strlen (start+i)+1);
}
/* Make sure we're using the canonical dir separator */
p++;
while (p < start && G_IS_DIR_SEPARATOR (*p))
*p++ = G_DIR_SEPARATOR;
p = start;
while (*p != 0)
{
if (p[0] == '.' && (p[1] == 0 || G_IS_DIR_SEPARATOR (p[1])))
{
memmove (p, p+1, strlen (p+1)+1);
}
else if (p[0] == '.' && p[1] == '.' && (p[2] == 0 || G_IS_DIR_SEPARATOR (p[2])))
{
q = p + 2;
/* Skip previous separator */
p = p - 2;
if (p < start)
p = start;
while (p > start && !G_IS_DIR_SEPARATOR (*p))
p--;
if (G_IS_DIR_SEPARATOR (*p))
*p++ = G_DIR_SEPARATOR;
memmove (p, q, strlen (q)+1);
}
else
{
/* Skip until next separator */
while (*p != 0 && !G_IS_DIR_SEPARATOR (*p))
p++;
if (*p != 0)
{
/* Canonicalize one separator */
*p++ = G_DIR_SEPARATOR;
}
}
/* Remove additional separators */
q = p;
while (*q && G_IS_DIR_SEPARATOR (*q))
q++;
if (p != q)
memmove (p, q, strlen (q)+1);
}
/* Remove trailing slashes */
if (p > start && G_IS_DIR_SEPARATOR (*(p-1)))
*(p-1) = 0;
return canon;
}
GFile *
_g_local_file_new (const char *filename)
{
GLocalFile *local;
local = g_object_new (G_TYPE_LOCAL_FILE, NULL);
local->filename = canonicalize_filename (filename);
local->filename = g_canonicalize_filename (filename, NULL);
return G_FILE (local);
}
@ -1659,7 +1560,7 @@ expand_symlink (const char *link)
#endif
if (g_path_is_absolute (symlink_value))
return canonicalize_filename (symlink_value);
return g_canonicalize_filename (symlink_value, NULL);
else
{
link2 = strip_trailing_slashes (link);
@ -1669,7 +1570,7 @@ expand_symlink (const char *link)
resolved = g_build_filename (parent, symlink_value, NULL);
g_free (parent);
canonical = canonicalize_filename (resolved);
canonical = g_canonicalize_filename (resolved, NULL);
g_free (resolved);