<commit_before>/* Socket
 * Copyright (c) 2015 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "SocketAddress.h"
#include "NetworkStack.h"
#include <string.h>
#include "mbed.h"


static bool ipv4_is_valid(const char *addr)
{
    int i = 0;

    // Check each digit for [0-9.]
    for (; addr[i]; i++) {
        if (!(addr[i] >= '0' && addr[i] <= '9') && addr[i] != '.') {
            return false;
        }
    }

    // Ending with '.' garuntees host
    if (i > 0 && addr[i-1] == '.') {
        return false;
    }

    return true;
}

static bool ipv6_is_valid(const char *addr)
{
    // Check each digit for [0-9a-fA-F:]
    for (int i = 0; addr[i]; i++) {
        if (!(addr[i] >= '0' && addr[i] <= '9') &&
            !(addr[i] >= 'a' && addr[i] <= 'f') &&
            !(addr[i] >= 'A' && addr[i] <= 'F') &&
            addr[i] != ':') {
            return false;
        }
    }

    return true;
}

static void ipv4_from_address(uint8_t *bytes, const char *addr)
{
    sscanf(addr, "%hhu.%hhu.%hhu.%hhu", &bytes[0], &bytes[1], &bytes[2], &bytes[3]);
}<commit_msg>Added workaround for bug in newlib sscanf<commit_after>/* Socket
 * Copyright (c) 2015 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "SocketAddress.h"
#include "NetworkStack.h"
#include <string.h>
#include "mbed.h"


static bool ipv4_is_valid(const char *addr)
{
    int i = 0;

    // Check each digit for [0-9.]
    for (; addr[i]; i++) {
        if (!(addr[i] >= '0' && addr[i] <= '9') && addr[i] != '.') {
            return false;
        }
    }

    // Ending with '.' garuntees host
    if (i > 0 && addr[i-1] == '.') {
        return false;
    }

    return true;
}

static bool ipv6_is_valid(const char *addr)
{
    // Check each digit for [0-9a-fA-F:]
    for (int i = 0; addr[i]; i++) {
        if (!(addr[i] >= '0' && addr[i] <= '9') &&
            !(addr[i] >= 'a' && addr[i] <= 'f') &&
            !(addr[i] >= 'A' && addr[i] <= 'F') &&
            addr[i] != ':') {
            return false;
        }
    }

    return true;
}

static void ipv4_from_address(uint8_t *bytes, const char *addr)
{
    int count = 0;
    int i = 0;

    for (; count < NSAPI_IPv4_BYTES; count++) {
        int scanned = sscanf(&addr[i], "%hhu", &bytes[count]);
        if (scanned < 1) {
            return;
        }

        for (; addr[i] != '.'; i++) {
            if (!addr[i]) {
                return;
            }
        }

        i++;
    }
}
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{'dir': 'git-commits-cleaned', 'id': '6913137', 'n_tokens_mistral': 1203, 'n_tokens_neox': 1160, 'n_words': 378}