From 534c573adf534c29fce8a23a46eb82f154885588 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Mon, 28 Oct 2019 20:58:08 +0100 Subject: Add a minimal fallback implementation for getline() Signed-off-by: David Oberhollenzer --- lib/util/getline.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 lib/util/getline.c (limited to 'lib/util/getline.c') diff --git a/lib/util/getline.c b/lib/util/getline.c new file mode 100644 index 0000000..996bef2 --- /dev/null +++ b/lib/util/getline.c @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: LGPL-3.0-or-later */ +/* + * getline.c + * + * Copyright (C) 2019 David Oberhollenzer + */ +#include "config.h" +#include "util/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