Mercurial > code
view buffer.h @ 56:770737295987
Added pack.c pack.h
libpack-like for opening binary file endianness safe.
author | David Demelier <markand@malikania.fr> |
---|---|
date | Tue, 08 Nov 2011 18:26:05 +0100 |
parents | cda80ba48029 |
children | f773c76b1f3c |
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/* * buffer.h -- safe unlimited size string * * Copyright (c) 2011, David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _BUFFER_H_ #define _BUFFER_H_ #define BUFFER_DEFAULT_BSIZE 512 #include <stdarg.h> /* * Some useful attributes with gcc or clang. */ #if defined(__GNUC__) # pragma GCC diagnostic warning "-Wnonnull" # pragma GCC diagnostic warning "-Wformat" # define __at_malloc __attribute__ ((malloc)) # define __at_nonnull __attribute__ ((nonnull(1))) # define __at_printf(...) __attribute__ ((format(printf, __VA_ARGS__))) #else # define __at_malloc # define __at_nonnull # define __at_printf(...) #endif enum buffer_type { BUFFER_FIXED = 0, BUFFER_AUTO = 1 }; struct buffer { enum buffer_type type; /* buffer type (default AUTO) */ char *text; /* string buffer */ size_t length; /* string's real length */ size_t size; /* current allocated size */ int bsize; /* initial length */ }; struct buffer *buffer_new(enum buffer_type, int) __at_malloc; int buffer_strcat(struct buffer *, const char *) __at_nonnull; int buffer_putc(struct buffer *buf, char) __at_nonnull; int buffer_bcat(struct buffer *, const void *, size_t) __at_nonnull; int buffer_vprintf(struct buffer *, const char *, va_list) __at_nonnull; int buffer_printf(struct buffer *, const char *, ...) __at_printf(2, 3); int buffer_shrink(struct buffer *) __at_nonnull; char *buffer_end(struct buffer *) __at_nonnull; void buffer_clear(struct buffer *) __at_nonnull; void buffer_free(struct buffer *) __at_nonnull; #endif /* _BUFFER_H_ */