udev: move libudev, gudev to src/; move gudev/docs/, udev/docs/ to to docs/

1 files changed, 0 insertions, 566 deletions

diff --git a/src/udev/libudev-util.c b/src/udev/libudev-util.c
deleted file mode 100644
index cb17c3f48c..0000000000
--- a/src/udev/libudev-util.c
+++ /dev/null
@@ -1,566 +0,0 @@
-/*
- * libudev - interface to udev device information
- *
- * Copyright (C) 2008-2011 Kay Sievers <kay.sievers@vrfy.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <dirent.h>
-#include <ctype.h>
-#include <fcntl.h>
-#include <time.h>
-#include <sys/stat.h>
-
-#include "libudev.h"
-#include "libudev-private.h"
-
-/**
- * SECTION:libudev-util
- * @short_description: utils
- */
-
-ssize_t util_get_sys_core_link_value(struct udev *udev, const char *slink, const char *syspath, char *value, size_t size)
-{
-        char path[UTIL_PATH_SIZE];
-        char target[UTIL_PATH_SIZE];
-        ssize_t len;
-        const char *pos;
-
-        util_strscpyl(path, sizeof(path), syspath, "/", slink, NULL);
-        len = readlink(path, target, sizeof(target));
-        if (len <= 0 || len == (ssize_t)sizeof(target))
-                return -1;
-        target[len] = '\0';
-        pos = strrchr(target, '/');
-        if (pos == NULL)
-                return -1;
-        pos = &pos[1];
-        return util_strscpy(value, size, pos);
-}
-
-int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size)
-{
-        char link_target[UTIL_PATH_SIZE];
-
-        ssize_t len;
-        int i;
-        int back;
-        char *base = NULL;
-
-        len = readlink(syspath, link_target, sizeof(link_target));
-        if (len <= 0 || len == (ssize_t)sizeof(link_target))
-                return -1;
-        link_target[len] = '\0';
-
-        for (back = 0; strncmp(&link_target[back * 3], "../", 3) == 0; back++)
-                ;
-        for (i = 0; i <= back; i++) {
-                base = strrchr(syspath, '/');
-                if (base == NULL)
-                        return -EINVAL;
-                base[0] = '\0';
-        }
-        if (base == NULL)
-                return -EINVAL;
-        util_strscpyl(base, size - (base - syspath), "/", &link_target[back * 3], NULL);
-        return 0;
-}
-
-int util_log_priority(const char *priority)
-{
-        char *endptr;
-        int prio;
-
-        prio = strtol(priority, &endptr, 10);
-        if (endptr[0] == '\0' || isspace(endptr[0]))
-                return prio;
-        if (strncmp(priority, "err", 3) == 0)
-                return LOG_ERR;
-        if (strncmp(priority, "info", 4) == 0)
-                return LOG_INFO;
-        if (strncmp(priority, "debug", 5) == 0)
-                return LOG_DEBUG;
-        return 0;
-}
-
-size_t util_path_encode(const char *src, char *dest, size_t size)
-{
-        size_t i, j;
-
-        for (i = 0, j = 0; src[i] != '\0'; i++) {
-                if (src[i] == '/') {
-                        if (j+4 >= size) {
-                                j = 0;
-                                break;
-                        }
-                        memcpy(&dest[j], "\\x2f", 4);
-                        j += 4;
-                } else if (src[i] == '\\') {
-                        if (j+4 >= size) {
-                                j = 0;
-                                break;
-                        }
-                        memcpy(&dest[j], "\\x5c", 4);
-                        j += 4;
-                } else {
-                        if (j+1 >= size) {
-                                j = 0;
-                                break;
-                        }
-                        dest[j] = src[i];
-                        j++;
-                }
-        }
-        dest[j] = '\0';
-        return j;
-}
-
-size_t util_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;
-}
-
-void util_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';
-}
-
-/*
- * Concatenates strings. In any case, terminates in _all_ cases with '\0'
- * and moves the @dest pointer forward to the added '\0'. Returns the
- * remaining size, and 0 if the string was truncated.
- */
-size_t util_strpcpy(char **dest, size_t size, const char *src)
-{
-        size_t len;
-
-        len = strlen(src);
-        if (len >= size) {
-                if (size > 1)
-                        *dest = mempcpy(*dest, src, size-1);
-                size = 0;
-                *dest[0] = '\0';
-        } else {
-                if (len > 0) {
-                        *dest = mempcpy(*dest, src, len);
-                        size -= len;
-                }
-                *dest[0] = '\0';
-        }
-        return size;
-}
-
-/* concatenates list of strings, moves dest forward */
-size_t util_strpcpyl(char **dest, size_t size, const char *src, ...)
-{
-        va_list va;
-
-        va_start(va, src);
-        do {
-                size = util_strpcpy(dest, size, src);
-                src = va_arg(va, char *);
-        } while (src != NULL);
-        va_end(va);
-
-        return size;
-}
-
-/* copies string */
-size_t util_strscpy(char *dest, size_t size, const char *src)
-{
-        char *s;
-
-        s = dest;
-        return util_strpcpy(&s, size, src);
-}
-
-/* concatenates list of strings */
-size_t util_strscpyl(char *dest, size_t size, const char *src, ...)
-{
-        va_list va;
-        char *s;
-
-        va_start(va, src);
-        s = dest;
-        do {
-                size = util_strpcpy(&s, size, src);
-                src = va_arg(va, char *);
-        } while (src != NULL);
-        va_end(va);
-
-        return size;
-}
-
-/* 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;
-}
-
-int util_replace_whitespace(const char *str, char *to, size_t len)
-{
-        size_t i, j;
-
-        /* strip trailing whitespace */
-        len = strnlen(str, len);
-        while (len && isspace(str[len-1]))
-                len--;
-
-        /* strip leading whitespace */
-        i = 0;
-        while (isspace(str[i]) && (i < len))
-                i++;
-
-        j = 0;
-        while (i < len) {
-                /* substitute multiple whitespace with a single '_' */
-                if (isspace(str[i])) {
-                        while (isspace(str[i]))
-                                i++;
-                        to[j++] = '_';
-                }
-                to[j++] = str[i++];
-        }
-        to[j] = '\0';
-        return 0;
-}
-
-static int is_whitelisted(char c, const char *white)
-{
-        if ((c >= '0' && c <= '9') ||
-            (c >= 'A' && c <= 'Z') ||
-            (c >= 'a' && c <= 'z') ||
-            strchr("#+-.:=@_", c) != NULL ||
-            (white != NULL && strchr(white, c) != NULL))
-                return 1;
-        return 0;
-}
-
-/* allow chars in whitelist, plain ascii, hex-escaping and valid utf8 */
-int util_replace_chars(char *str, const char *white)
-{
-        size_t i = 0;
-        int replaced = 0;
-
-        while (str[i] != '\0') {
-                int len;
-
-                if (is_whitelisted(str[i], white)) {
-                        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]) && white != NULL && strchr(white, ' ') != NULL) {
-                        str[i] = ' ';
-                        i++;
-                        replaced++;
-                        continue;
-                }
-
-                /* everything else is replaced with '_' */
-                str[i] = '_';
-                i++;
-                replaced++;
-        }
-        return replaced;
-}
-
-/**
- * udev_util_encode_string:
- * @str: input string to be encoded
- * @str_enc: output string to store the encoded input string
- * @len: maximum size of the output string, which may be
- *       four times as long as the input string
- *
- * Encode all potentially unsafe characters of a string to the
- * corresponding 2 char hex value prefixed by '\x'.
- *
- * Returns: 0 if the entire string was copied, non-zero otherwise.
- **/
-_public_ int udev_util_encode_string(const char *str, char *str_enc, size_t len)
-{
-        size_t i, j;
-
-        if (str == NULL || str_enc == NULL)
-                return -1;
-
-        for (i = 0, j = 0; str[i] != '\0'; i++) {
-                int seqlen;
-
-                seqlen = utf8_encoded_valid_unichar(&str[i]);
-                if (seqlen > 1) {
-                        if (len-j < (size_t)seqlen)
-                                goto err;
-                        memcpy(&str_enc[j], &str[i], seqlen);
-                        j += seqlen;
-                        i += (seqlen-1);
-                } else if (str[i] == '\\' || !is_whitelisted(str[i], NULL)) {
-                        if (len-j < 4)
-                                goto err;
-                        sprintf(&str_enc[j], "\\x%02x", (unsigned char) str[i]);
-                        j += 4;
-                } else {
-                        if (len-j < 1)
-                                goto err;
-                        str_enc[j] = str[i];
-                        j++;
-                }
-        }
-        if (len-j < 1)
-                goto err;
-        str_enc[j] = '\0';
-        return 0;
-err:
-        return -1;
-}
-
-/*
- * http://sites.google.com/site/murmurhash/
- *
- * All code is released to the public domain. For business purposes,
- * Murmurhash is under the MIT license.
- *
- */
-static unsigned int murmur_hash2(const char *key, int len, unsigned int seed)
-{
-        /*
-         *  'm' and 'r' are mixing constants generated offline.
-         *  They're not really 'magic', they just happen to work well.
-         */
-        const unsigned int m = 0x5bd1e995;
-        const int r = 24;
-
-        /* initialize the hash to a 'random' value */
-        unsigned int h = seed ^ len;
-
-        /* mix 4 bytes at a time into the hash */
-        const unsigned char * data = (const unsigned char *)key;
-
-        while(len >= 4) {
-                unsigned int k = *(unsigned int *)data;
-
-                k *= m;
-                k ^= k >> r;
-                k *= m;
-                h *= m;
-                h ^= k;
-
-                data += 4;
-                len -= 4;
-        }
-
-        /* handle the last few bytes of the input array */
-        switch(len) {
-        case 3:
-                h ^= data[2] << 16;
-        case 2:
-                h ^= data[1] << 8;
-        case 1:
-                h ^= data[0];
-                h *= m;
-        };
-
-        /* do a few final mixes of the hash to ensure the last few bytes are well-incorporated */
-        h ^= h >> 13;
-        h *= m;
-        h ^= h >> 15;
-
-        return h;
-}
-
-unsigned int util_string_hash32(const char *str)
-{
-        return murmur_hash2(str, strlen(str), 0);
-}
-
-/* get a bunch of bit numbers out of the hash, and set the bits in our bit field */
-uint64_t util_string_bloom64(const char *str)
-{
-        uint64_t bits = 0;
-        unsigned int hash = util_string_hash32(str);
-
-        bits |= 1LLU << (hash & 63);
-        bits |= 1LLU << ((hash >> 6) & 63);
-        bits |= 1LLU << ((hash >> 12) & 63);
-        bits |= 1LLU << ((hash >> 18) & 63);
-        return bits;
-}
-
-#define USEC_PER_SEC  1000000ULL
-#define NSEC_PER_USEC 1000ULL
-unsigned long long ts_usec(const struct timespec *ts)
-{
-        return (unsigned long long) ts->tv_sec * USEC_PER_SEC +
-               (unsigned long long) ts->tv_nsec / NSEC_PER_USEC;
-}
-
-unsigned long long now_usec(void)
-{
-        struct timespec ts;
-
-        if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
-                return 0;
-        return ts_usec(&ts);
-}