convert to libudev and delete udev_utils_string.c

1 files changed, 0 insertions, 271 deletions

diff --git a/udev/udev_utils_string.c b/udev/udev_utils_string.c
deleted file mode 100644
index 540fb5caaa..0000000000
--- a/udev/udev_utils_string.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <ctype.h>
-#include <dirent.h>
-#include <syslog.h>
-#include <sys/utsname.h>
-
-#include "udev.h"
-
-int string_is_true(const char *str)
-{
-	if (strcasecmp(str, "true") == 0)
-		return 1;
-	if (strcasecmp(str, "yes") == 0)
-		return 1;
-	if (strcasecmp(str, "1") == 0)
-		return 1;
-	return 0;
-}
-
-void remove_trailing_chars(char *path, char c)
-{
-	size_t len;
-
-	if (path == NULL)
-		return;
-	len = strlen(path);
-	while (len > 0 && path[len-1] == c)
-		path[--len] = '\0';
-}
-
-size_t path_encode(char *s, size_t len)
-{
-	char t[(len * 3)+1];
-	size_t i, j;
-
-	t[0] = '\0';
-	for (i = 0, j = 0; s[i] != '\0'; i++) {
-		if (s[i] == '/') {
-			memcpy(&t[j], "\\x2f", 4);
-			j += 4;
-		} else if (s[i] == '\\') {
-			memcpy(&t[j], "\\x5c", 4);
-			j += 4;
-		} else {
-			t[j] = s[i];
-			j++;
-		}
-	}
-	t[j] = '\0';
-	strncpy(s, t, len);
-	return j;
-}
-
-size_t path_decode(char *s)
-{
-	size_t i, j;
-
-	for (i = 0, j = 0; s[i] != '\0'; j++) {
-		if (memcmp(&s[i], "\\x2f", 4) == 0) {
-			s[j] = '/';
-			i += 4;
-		}else if (memcmp(&s[i], "\\x5c", 4) == 0) {
-			s[j] = '\\';
-			i += 4;
-		} else {
-			s[j] = s[i];
-			i++;
-		}
-	}
-	s[j] = '\0';
-	return j;
-}
-
-/* count of characters used to encode one unicode char */
-static int utf8_encoded_expected_len(const char *str)
-{
-	unsigned char c = (unsigned char)str[0];
-
-	if (c < 0x80)
-		return 1;
-	if ((c & 0xe0) == 0xc0)
-		return 2;
-	if ((c & 0xf0) == 0xe0)
-		return 3;
-	if ((c & 0xf8) == 0xf0)
-		return 4;
-	if ((c & 0xfc) == 0xf8)
-		return 5;
-	if ((c & 0xfe) == 0xfc)
-		return 6;
-	return 0;
-}
-
-/* decode one unicode char */
-static int utf8_encoded_to_unichar(const char *str)
-{
-	int unichar;
-	int len;
-	int i;
-
-	len = utf8_encoded_expected_len(str);
-	switch (len) {
-	case 1:
-		return (int)str[0];
-	case 2:
-		unichar = str[0] & 0x1f;
-		break;
-	case 3:
-		unichar = (int)str[0] & 0x0f;
-		break;
-	case 4:
-		unichar = (int)str[0] & 0x07;
-		break;
-	case 5:
-		unichar = (int)str[0] & 0x03;
-		break;
-	case 6:
-		unichar = (int)str[0] & 0x01;
-		break;
-	default:
-		return -1;
-	}
-
-	for (i = 1; i < len; i++) {
-		if (((int)str[i] & 0xc0) != 0x80)
-			return -1;
-		unichar <<= 6;
-		unichar |= (int)str[i] & 0x3f;
-	}
-
-	return unichar;
-}
-
-/* expected size used to encode one unicode char */
-static int utf8_unichar_to_encoded_len(int unichar)
-{
-	if (unichar < 0x80)
-		return 1;
-	if (unichar < 0x800)
-		return 2;
-	if (unichar < 0x10000)
-		return 3;
-	if (unichar < 0x200000)
-		return 4;
-	if (unichar < 0x4000000)
-		return 5;
-	return 6;
-}
-
-/* check if unicode char has a valid numeric range */
-static int utf8_unichar_valid_range(int unichar)
-{
-	if (unichar > 0x10ffff)
-		return 0;
-	if ((unichar & 0xfffff800) == 0xd800)
-		return 0;
-	if ((unichar > 0xfdcf) && (unichar < 0xfdf0))
-		return 0;
-	if ((unichar & 0xffff) == 0xffff)
-		return 0;
-	return 1;
-}
-
-/* validate one encoded unicode char and return its length */
-static int utf8_encoded_valid_unichar(const char *str)
-{
-	int len;
-	int unichar;
-	int i;
-
-	len = utf8_encoded_expected_len(str);
-	if (len == 0)
-		return -1;
-
-	/* ascii is valid */
-	if (len == 1)
-		return 1;
-
-	/* check if expected encoded chars are available */
-	for (i = 0; i < len; i++)
-		if ((str[i] & 0x80) != 0x80)
-			return -1;
-
-	unichar = utf8_encoded_to_unichar(str);
-
-	/* check if encoded length matches encoded value */
-	if (utf8_unichar_to_encoded_len(unichar) != len)
-		return -1;
-
-	/* check if value has valid range */
-	if (!utf8_unichar_valid_range(unichar))
-		return -1;
-
-	return len;
-}
-
-/* allow chars in whitelist, plain ascii, hex-escaping and valid utf8 */
-int replace_chars(char *str, const char *white)
-{
-	size_t i = 0;
-	int replaced = 0;
-
-	while (str[i] != '\0') {
-		int len;
-
-		/* accept whitelist */
-		if (white != NULL && strchr(white, str[i]) != NULL) {
-			i++;
-			continue;
-		}
-
-		/* accept plain ascii char */
-		if ((str[i] >= '0' && str[i] <= '9') ||
-		    (str[i] >= 'A' && str[i] <= 'Z') ||
-		    (str[i] >= 'a' && str[i] <= 'z')) {
-			i++;
-			continue;
-		}
-
-		/* accept hex encoding */
-		if (str[i] == '\\' && str[i+1] == 'x') {
-			i += 2;
-			continue;
-		}
-
-		/* accept valid utf8 */
-		len = utf8_encoded_valid_unichar(&str[i]);
-		if (len > 1) {
-			i += len;
-			continue;
-		}
-
-		/* if space is allowed, replace whitespace with ordinary space */
-		if (isspace(str[i]) && strchr(white, ' ') != NULL) {
-			str[i] = ' ';
-			i++;
-			replaced++;
-			continue;
-		}
-
-		/* everything else is replaced with '_' */
-		str[i] = '_';
-		i++;
-		replaced++;
-	}
-
-	return replaced;
-}