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Diffstat (limited to 'src/liboutils/fgetln.c')
-rw-r--r-- | src/liboutils/fgetln.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/liboutils/fgetln.c b/src/liboutils/fgetln.c new file mode 100644 index 0000000..0f43e60 --- /dev/null +++ b/src/liboutils/fgetln.c @@ -0,0 +1,48 @@ +/* + * Copyright © 2005 Hector Garcia Alvarez + * Copyright © 2005, 2008, 2009, 2011 Guillem Jover + * + * 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. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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. + */ + +#include <stdio.h> +#include <sys/types.h> +#include <string.h> + +char * +fgetln(FILE *stream, size_t *len) +{ + static char *line = NULL; + static size_t line_len = 0; + ssize_t nread; + + nread = getline(&line, &line_len, stream); + /* Note: the getdelim/getline API ensures nread != 0. */ + if (nread == -1) { + *len = 0; + return NULL; + } else { + *len = (size_t)nread; + return line; + } +} |