From eafaffa0f09b7c22eed906ef5356b1460d44da55 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Fri, 22 Nov 2019 11:01:09 +0100 Subject: Cleanup: move all the compatibillity fluff to a dedicated "libcompat" Signed-off-by: David Oberhollenzer --- lib/compat/getline.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 lib/compat/getline.c (limited to 'lib/compat/getline.c') diff --git a/lib/compat/getline.c b/lib/compat/getline.c new file mode 100644 index 0000000..f330c6d --- /dev/null +++ b/lib/compat/getline.c @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * getline.c + * + * Copyright (C) 2019 David Oberhollenzer + */ +#include "config.h" +#include "compat.h" + +#include +#include + +#ifndef HAVE_GETLINE +ssize_t getline(char **line, size_t *n, FILE *fp) +{ + size_t new_cap, len = 0, cap = 0; + char *buffer = NULL, *new; + int c; + + if (feof(fp) || ferror(fp)) + return -1; + + do { + c = fgetc(fp); + + if (ferror(fp)) + return -1; + + if (c == EOF) + c = '\n'; + + if (len == cap) { + new_cap = cap ? cap * 2 : 32; + new = realloc(buffer, new_cap); + + if (new == NULL) + return -1; + + buffer = new; + cap = new_cap; + } + + buffer[len++] = c; + } while (c != '\n'); + + *line = buffer; + *n = len; + return len; +} +#endif -- cgit v1.2.3