diff options
| -rw-r--r-- | compat.h | 5 | ||||
| -rw-r--r-- | compat/getline.c | 93 | ||||
| -rw-r--r-- | configure.ac | 1 |
3 files changed, 99 insertions, 0 deletions
@@ -345,6 +345,11 @@ int vasprintf(char **, const char *, va_list); char *fgetln(FILE *, size_t *); #endif +#ifndef HAVE_GETLINE +/* getline.c */ +ssize_t getline(char **, size_t *, FILE *); +#endif + #ifndef HAVE_SETENV /* setenv.c */ int setenv(const char *, const char *, int); diff --git a/compat/getline.c b/compat/getline.c new file mode 100644 index 00000000..90437ccb --- /dev/null +++ b/compat/getline.c @@ -0,0 +1,93 @@ +/* $NetBSD: getline.c,v 1.1.1.6 2015/01/02 20:34:27 christos Exp $ */ + +/* NetBSD: getline.c,v 1.2 2014/09/16 17:23:50 christos Exp */ + +/*- + * Copyright (c) 2011 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Christos Zoulas. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* NETBSD ORIGINAL: external/bsd/file/dist/src/getline.c */ + +#include <sys/types.h> + +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> + +#include "tmux.h" + +static ssize_t +getdelim(char **buf, size_t *bufsiz, int delimiter, FILE *fp) +{ + char *ptr, *eptr; + + + if (*buf == NULL || *bufsiz == 0) { + if ((*buf = malloc(BUFSIZ)) == NULL) + return -1; + *bufsiz = BUFSIZ; + } + + for (ptr = *buf, eptr = *buf + *bufsiz;;) { + int c = fgetc(fp); + if (c == -1) { + if (feof(fp)) { + ssize_t diff = (ssize_t)(ptr - *buf); + if (diff != 0) { + *ptr = '\0'; + return diff; + } + } + return -1; + } + *ptr++ = c; + if (c == delimiter) { + *ptr = '\0'; + return ptr - *buf; + } + if (ptr + 2 >= eptr) { + char *nbuf; + size_t nbufsiz = *bufsiz * 2; + ssize_t d = ptr - *buf; + if ((nbuf = realloc(*buf, nbufsiz)) == NULL) + return -1; + *buf = nbuf; + *bufsiz = nbufsiz; + eptr = nbuf + nbufsiz; + ptr = nbuf + d; + } + } +} + +ssize_t +getline(char **buf, size_t *bufsiz, FILE *fp) +{ + return getdelim(buf, bufsiz, '\n', fp); +} diff --git a/configure.ac b/configure.ac index dc133c25..b5f65df5 100644 --- a/configure.ac +++ b/configure.ac @@ -113,6 +113,7 @@ AC_REPLACE_FUNCS([ \ fgetln \ freezero \ getdtablecount \ + getline \ getprogname \ memmem \ recallocarray \ |