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Diffstat (limited to 'tools/include/getline.h')
| -rw-r--r-- | tools/include/getline.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/tools/include/getline.h b/tools/include/getline.h new file mode 100644 index 0000000000..219be75204 --- /dev/null +++ b/tools/include/getline.h @@ -0,0 +1,62 @@ +/*- + * Copyright (c) 2006 SPARTA, Inc. + * All rights reserved. + * + * This software was developed by SPARTA ISSO under SPAWAR contract + * N66001-04-C-6019 ("SEFOS"). + * + * 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 AUTHOR 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 AUTHOR 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. + */ + +#ifndef __linux__ +#include <sys/types.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* + * Emulate glibc getline() via BSD fgetln(). + * Note that outsize is not changed unless memory is allocated. + */ +static inline ssize_t +getline(char **outbuf, size_t *outsize, FILE *fp) +{ + char *buf; + size_t len; + + buf = fgetln(fp, &len); + if (buf == NULL) + return (-1); + + /* Assumes realloc() accepts NULL for ptr (C99) */ + if (*outbuf == NULL || *outsize < len + 1) { + void *tmp = realloc(*outbuf, len + 1); + if (tmp == NULL) + return (-1); + *outbuf = tmp; + *outsize = len + 1; + } + memcpy(*outbuf, buf, len); + (*outbuf)[len] = '\0'; + return (len); +} +#endif |