/* * Copyright (c) 2021 Cisco and/or its affiliates. * 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. */ #pragma once #include #include int getline(char **lineptr, size_t *n, FILE *stream) { static char line[256]; char *ptr; unsigned int len; int rc; if (lineptr == NULL || n == NULL) { errno = EINVAL; return -1; } if (ferror(stream)) return -1; if (feof(stream)) return -1; fgets(line, 256, stream); ptr = strchr(line, '\n'); if (ptr) *ptr = '\0'; len = (unsigned int)strlen(line); if ((len + 1) < 256) { ptr = (char *)realloc(*lineptr, 256); if (ptr == NULL) return (-1); *lineptr = ptr; *n = 256; } rc = strcpy_s(*lineptr, 256, line); if (rc != EOK) return -1; return (len); }