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/*
* Copyright 2012, The Android Open Source Project
*
* 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 <stdio.h>
ssize_t getline(char **lineptr, size_t *n, FILE *stream)
{
char *ptr;
ptr = fgetln(stream, n);
if (ptr == NULL) {
return -1;
}
/* Free the original ptr */
if (*lineptr != NULL) free(*lineptr);
/* Add one more space for '\0' */
size_t len = n[0] + 1;
/* Update the length */
n[0] = len;
/* Allocate a new buffer */
*lineptr = malloc(len);
/* Copy over the string */
memcpy(*lineptr, ptr, len-1);
/* Write the NULL character */
(*lineptr)[len-1] = '\0';
/* Return the length of the new buffer not counting the null character */
return len-1;
}
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