From f449f278dd3c70e479a035f50a9bb817a9b433ba Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:24:08 +0200 Subject: Adding upstream version 3.2.6. Signed-off-by: Daniel Baumann --- src/contrib/getline.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 src/contrib/getline.c (limited to 'src/contrib/getline.c') diff --git a/src/contrib/getline.c b/src/contrib/getline.c new file mode 100644 index 0000000..46cdff9 --- /dev/null +++ b/src/contrib/getline.c @@ -0,0 +1,60 @@ +/* Copyright (C) 2011 CZ.NIC, z.s.p.o. + + 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 3 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 . + */ + +// FreeBSD POSIX2008 getline +#ifndef _WITH_GETLINE +#define _WITH_GETLINE +#endif + +#include "contrib/getline.h" + +#include // getline or fgetln +#include // free +#include // memcpy + +ssize_t knot_getline(char **lineptr, size_t *n, FILE *stream) +{ +#ifdef HAVE_GETLINE + return getline(lineptr, n, stream); +#else +#ifdef HAVE_FGETLN + size_t length = 0; + char *buffer = fgetln(stream, &length); + if (buffer == NULL) { + return -1; + } + + /* NOTE: Function fgetln doesn't return terminated string! + * Output buffer from the fgetln can't be freed. + */ + + // If the output buffer is not specified or is small, extend it. + if (*lineptr == NULL || *n <= length) { + char *tmp = realloc(*lineptr, length + 1); + if (tmp == NULL) { + return -1; + } + *lineptr = tmp; + *n = length + 1; + } + + memcpy(*lineptr, buffer, length); + (*lineptr)[length] = '\0'; + + return length; +#endif +#endif +} -- cgit v1.2.3