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mkdir: fix "uname 0222; mkdir foo/bar" case

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(by Doug Graham <dgraham AT nortel.com>)

function                                             old     new   delta
bb_make_directory                                    291     280     -11
This commit is contained in:
Denis Vlasenko 2008-08-15 19:18:35 +00:00
parent cd785fb716
commit 11152e30e3
1 changed files with 16 additions and 21 deletions
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27
libbb/make_directory.c
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@ -35,17 +35,10 @@ int FAST_FUNC bb_make_directory(char *path, long mode, int flags)
struct stat st;
mask = umask(0);
if (mode == -1) {
umask(mask);
mode = (S_IXUSR | S_IXGRP | S_IXOTH |
S_IWUSR | S_IWGRP | S_IWOTH |
S_IRUSR | S_IRGRP | S_IROTH) & ~mask;
} else {
umask(mask & ~0300);
}
umask(mask & ~0300); /* Ensure intermediate dirs are wx */
do {
c = 0;
while (1) {
c = '\0';
if (flags & FILEUTILS_RECUR) { /* Get the parent. */
/* Bypass leading non-'/'s and then subsequent '/'s. */
@ -55,19 +48,23 @@ int FAST_FUNC bb_make_directory(char *path, long mode, int flags)
++s;
} while (*s == '/');
c = *s; /* Save the current char */
*s = 0; /* and replace it with nul. */
*s = '\0'; /* and replace it with nul. */
break;
}
++s;
}
}
if (!c) /* Last component uses orig umask */
umask(mask);
if (mkdir(path, 0777) < 0) {
/* If we failed for any other reason than the directory
* already exists, output a diagnostic and return -1. */
if (errno != EEXIST
|| !(flags & FILEUTILS_RECUR)
|| (stat(path, &st) < 0 || !S_ISDIR(st.st_mode))) {
|| ((stat(path, &st) < 0) || !S_ISDIR(st.st_mode))
) {
fail_msg = "create";
umask(mask);
break;
@ -82,10 +79,9 @@ int FAST_FUNC bb_make_directory(char *path, long mode, int flags)
}
if (!c) {
/* Done. If necessary, updated perms on the newly
/* Done. If necessary, update perms on the newly
* created directory. Failure to update here _is_
* an error. */
umask(mask);
if ((mode != -1) && (chmod(path, mode) < 0)) {
fail_msg = "set permissions of";
break;
@ -95,8 +91,7 @@ int FAST_FUNC bb_make_directory(char *path, long mode, int flags)
/* Remove any inserted nul from the path (recursive mode). */
*s = c;
} while (1);
} /* while (1) */
bb_perror_msg("cannot %s directory '%s'", fail_msg, path);
return -1;