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-rw-r--r--stdio/getline.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/stdio/getline.c b/stdio/getline.c
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+++ b/stdio/getline.c
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+/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
+│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
+╞══════════════════════════════════════════════════════════════════════════════╡
+│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
+│                                                                              │
+│ Permission to use, copy, modify, and/or distribute this software for         │
+│ any purpose with or without fee is hereby granted, provided that the         │
+│ above copyright notice and this permission notice appear in all copies.      │
+│                                                                              │
+│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
+│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
+│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
+│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
+│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
+│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
+│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
+│ PERFORMANCE OF THIS SOFTWARE.                                                │
+╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/stdio/stdio.h"
+
+/**
+ * Reads line from stream.
+ *
+ * This function delegates to getdelim(), which provides further
+ * documentation. Concerning lines, please note the \n or \r\n are
+ * included in results, and can be removed with chomp().
+ *
+ * @param line is the caller's buffer (in/out) which is extended
+ *     automatically. *line may be NULL but only if *n is 0;
+ *     NUL-termination is guaranteed FTMP
+ * @return number of bytes read, including delim, excluding NUL, or -1
+ *     w/ errno on EOF or error; see ferror() and feof()
+ * @see xgetline(), getdelim(), gettok_r()
+ */
+ssize_t getline(char **line, size_t *n, FILE *f) {
+  return getdelim(line, n, '\n', f);
+}