| 1 | /*-
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| 2 | * Copyright (c) 2007, 2009
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| 3 | * Thorsten Glaser <tg@mirbsd.org>
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| 4 | *
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| 5 | * Provided that these terms and disclaimer and all copyright notices
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| 6 | * are retained or reproduced in an accompanying document, permission
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| 7 | * is granted to deal in this work without restriction, including un-
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| 8 | * limited rights to use, publicly perform, distribute, sell, modify,
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| 9 | * merge, give away, or sublicence.
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| 10 | *
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| 11 | * This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to
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| 12 | * the utmost extent permitted by applicable law, neither express nor
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| 13 | * implied; without malicious intent or gross negligence. In no event
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| 14 | * may a licensor, author or contributor be held liable for indirect,
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| 15 | * direct, other damage, loss, or other issues arising in any way out
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| 16 | * of dealing in the work, even if advised of the possibility of such
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| 17 | * damage or existence of a defect, except proven that it results out
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| 18 | * of said person's immediate fault when using the work as intended.
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| 19 | *-
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| 20 | * fgetln() wrapper for operating systems with getline() – glibc
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| 21 | */
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| 22 |
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| 23 | #define _GNU_SOURCE /* for getline() */
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| 24 | #include <sys/types.h>
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| 25 | #include <stdio.h>
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| 26 | #include <string.h>
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| 27 |
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| 28 | __RCSID("$MirOS: contrib/code/mirmake/dist/contrib/fgetln.c,v 1.6 2009/11/21 14:50:27 tg Exp $");
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| 29 |
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| 30 | #if defined(__GLIBC__)
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| 31 |
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| 32 | #if !defined(_MIRMAKE_H) || !defined(_MIRMAKE_DEFNS)
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| 33 | char *fgetln(FILE *, size_t *);
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| 34 | #endif
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| 35 |
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| 36 | char *
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| 37 | fgetln(FILE *stream, size_t *len)
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| 38 | {
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| 39 | static char *lb = NULL;
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| 40 | static size_t lbsz = 0;
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| 41 |
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| 42 | if ((*len = getline(&lb, &lbsz, stream)) != (size_t)-1)
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| 43 | /* getdelim ensures *len is not 0 here */
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| 44 | return (lb);
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| 45 |
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| 46 | /* not required by manpage, but reference implementation does this */
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| 47 | *len = 0;
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| 48 |
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| 49 | /* not required to zero lb or lbsz: getdelim manages it */
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| 50 | return (NULL);
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| 51 | }
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| 52 | #endif
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