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Diffstat (limited to 'lib/getndelim2.h')
-rw-r--r-- | lib/getndelim2.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/getndelim2.h b/lib/getndelim2.h new file mode 100644 index 0000000..7b87f6a --- /dev/null +++ b/lib/getndelim2.h @@ -0,0 +1,42 @@ +/* getndelim2 - Read a line from a stream, stopping at one of 2 delimiters, + with bounded memory allocation. + + Copyright (C) 2003-2004, 2006, 2009-2022 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +#ifndef GETNDELIM2_H +#define GETNDELIM2_H 1 + +#include <stdio.h> +#include <sys/types.h> + +#define GETNLINE_NO_LIMIT ((size_t) -1) + +/* Read into a buffer *LINEPTR returned from malloc (or NULL), + pointing to *LINESIZE bytes of space. Store the input bytes + starting at *LINEPTR + OFFSET, and null-terminate them. Reallocate + the buffer as necessary, but if NMAX is not GETNLINE_NO_LIMIT + then do not allocate more than NMAX bytes; if the line is longer + than that, read and discard the extra bytes. Stop reading after + the first occurrence of DELIM1 or DELIM2, whichever comes first; + a delimiter equal to EOF stands for no delimiter. Read the + input bytes from STREAM. + Return the number of bytes read and stored at *LINEPTR + OFFSET (not + including the NUL terminator), or -1 on error or EOF. */ +extern ssize_t getndelim2 (char **lineptr, size_t *linesize, size_t offset, + size_t nmax, int delim1, int delim2, + FILE *stream); + +#endif /* GETNDELIM2_H */ |