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(resolve_symlinks): use (vfs_path_t *) as argument.

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Minor optimization of resolve_symlinks() and diff_two_paths().

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2012-03-31 13:07:22 +04:00 committed by Slava Zanko
parent 2fe6ab5e9f
commit b1bcf6b01f
1 changed files with 18 additions and 30 deletions
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48
lib/util.c
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@ -110,25 +110,22 @@ is_8bit_printable (unsigned char c)
/* --------------------------------------------------------------------------------------------- */
static char *
resolve_symlinks (const char *path)
resolve_symlinks (const vfs_path_t *vpath)
{
char *p;
char *buf, *buf2, *q, *r, c;
int len;
struct stat mybuf;
const char *p;
vfs_path_t *vpath;
if (*path != PATH_SEP)
if (vpath->relative)
return NULL;
vpath = vfs_path_from_str (path);
p = vfs_path_to_str (vpath);
r = buf = g_malloc (MC_MAXPATHLEN);
buf2 = g_malloc (MC_MAXPATHLEN);
*r++ = PATH_SEP;
*r = 0;
p = path;
for (;;)
do
{
q = strchr (p + 1, PATH_SEP);
if (!q)
@ -143,19 +140,19 @@ resolve_symlinks (const char *path)
{
g_free (buf);
buf = NULL;
*q = c;
goto ret;
}
if (!S_ISLNK (mybuf.st_mode))
strcpy (r, p + 1);
else
{
int len;
len = mc_readlink (vpath, buf2, MC_MAXPATHLEN - 1);
if (len < 0)
{
g_free (buf);
buf = NULL;
*q = c;
goto ret;
}
buf2[len] = 0;
@ -167,15 +164,16 @@ resolve_symlinks (const char *path)
canonicalize_pathname (buf);
r = strchr (buf, 0);
if (!*r || *(r - 1) != PATH_SEP)
/* FIXME: this condition is always true because r points to the EOL */
{
*r++ = PATH_SEP;
*r = 0;
}
*q = c;
p = q;
if (!c)
break;
}
while (c != '\0');
if (!*buf)
strcpy (buf, PATH_SEP_STR);
else if (*(r - 1) == PATH_SEP && r != buf + 1)
@ -183,7 +181,7 @@ resolve_symlinks (const char *path)
ret:
g_free (buf2);
vfs_path_free (vpath);
g_free (p);
return buf;
}
@ -977,22 +975,14 @@ diff_two_paths (const vfs_path_t * vpath1, const vfs_path_t * vpath2)
char *p, *q, *r, *s, *buf = NULL;
int i, j, prevlen = -1, currlen;
char *my_first = NULL, *my_second = NULL;
char *path_str;
path_str = vfs_path_to_str (vpath1);
my_first = resolve_symlinks (path_str);
g_free (path_str);
my_first = resolve_symlinks (vpath1);
if (my_first == NULL)
return NULL;
goto ret;
path_str = vfs_path_to_str (vpath2);
my_second = resolve_symlinks (path_str);
g_free (path_str);
my_second = resolve_symlinks (vpath2);
if (my_second == NULL)
{
g_free (my_first);
return NULL;
}
goto ret;
for (j = 0; j < 2; j++)
{
@ -1028,11 +1018,7 @@ diff_two_paths (const vfs_path_t * vpath1, const vfs_path_t * vpath2)
if (currlen < prevlen)
g_free (buf);
else
{
g_free (my_first);
g_free (my_second);
return buf;
}
goto ret;
}
p = buf = g_malloc (currlen);
prevlen = currlen;
@ -1040,6 +1026,8 @@ diff_two_paths (const vfs_path_t * vpath1, const vfs_path_t * vpath2)
strcpy (p, "../");
strcpy (p, q);
}
ret:
g_free (my_first);
g_free (my_second);
return buf;