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b43335a238
Move the parsing of hex, octal and escaped characters from data.c to util.c where it can be used for character literal parsing within strings as well as for stand alone C style character literals. Signed-off-by: Anton Staaf <robotboy@chromium.org> Acked-by: David Gibson <david@gibson.dropbear.id.au>
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
#ifndef _UTIL_H
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#define _UTIL_H
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#include <stdarg.h>
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/*
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* Copyright 2008 Jon Loeliger, Freescale Semiconductor, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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static inline void __attribute__((noreturn)) die(char * str, ...)
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{
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va_list ap;
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va_start(ap, str);
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fprintf(stderr, "FATAL ERROR: ");
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vfprintf(stderr, str, ap);
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exit(1);
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}
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static inline void *xmalloc(size_t len)
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{
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void *new = malloc(len);
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if (!new)
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die("malloc() failed\n");
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return new;
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}
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static inline void *xrealloc(void *p, size_t len)
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{
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void *new = realloc(p, len);
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if (!new)
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die("realloc() failed (len=%d)\n", len);
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return new;
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}
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extern char *xstrdup(const char *s);
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extern char *join_path(const char *path, const char *name);
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/**
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* Check a string of a given length to see if it is all printable and
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* has a valid terminator.
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*
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* @param data The string to check
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* @param len The string length including terminator
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* @return 1 if a valid printable string, 0 if not */
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int util_is_printable_string(const void *data, int len);
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/*
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* Parse an escaped character starting at index i in string s. The resulting
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* character will be returned and the index i will be updated to point at the
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* character directly after the end of the encoding, this may be the '\0'
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* terminator of the string.
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*/
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char get_escape_char(const char *s, int *i);
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#endif /* _UTIL_H */
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