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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-11-22 11:01:09 +0100
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-11-22 11:28:23 +0100
commiteafaffa0f09b7c22eed906ef5356b1460d44da55 (patch)
treee77a1c3ddf714301b93810c2d123b6a7fcdc2ee8 /lib/compat/getline.c
parent435c9ef3de5797d7c49fa8fae12a02fd6bd209d6 (diff)
Cleanup: move all the compatibillity fluff to a dedicated "libcompat"
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/compat/getline.c')
-rw-r--r--lib/compat/getline.c50
1 files changed, 50 insertions, 0 deletions
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 <goliath@infraroot.at>
+ */
+#include "config.h"
+#include "compat.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+#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