nasm/asm/quote.h
H. Peter Anvin (Intel) 1d151a8558 preproc: when parsing a # marker, use C-style string unquoting
To handle escape codes in filename strings after # markers correctly,
we need nasm_unquote() to be aware that it is using C escapes;
otherwise things like "foo`bar" will break.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
2020-07-13 14:14:28 -07:00

62 lines
2.4 KiB
C

/* ----------------------------------------------------------------------- *
*
* Copyright 1996-2009 The NASM Authors - All Rights Reserved
* See the file AUTHORS included with the NASM distribution for
* the specific copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 NASM_QUOTE_H
#define NASM_QUOTE_H
#include "compiler.h"
char *nasm_quote(const char *str, size_t *len);
char *nasm_quote_cstr(const char *str, size_t *len);
size_t nasm_unquote_anystr(char *str, char **endptr,
uint32_t badctl, char qstart);
size_t nasm_unquote(char *str, char **endptr);
size_t nasm_unquote_cstr(char *str, char **endptr);
char *nasm_skip_string(const char *str);
/* Arguments used with nasm_quote_anystr() */
/*
* These are the only control characters when we produce a C string:
* BEL BS TAB ESC
*/
#define OKCTL ((1U << '\a') | (1U << '\b') | (1U << '\t') | (1U << 27))
#define BADCTL (~(uint32_t)OKCTL)
/* Initial quotation mark */
#define STR_C '\"'
#define STR_NASM '`'
#endif /* NASM_QUOTE_H */