mirror of
https://github.com/netsurf-browser/netsurf
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103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
/*
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* Copyright 2004-2007 James Bursa <bursa@users.sourceforge.net>
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* Copyright 2004 John Tytgat <joty@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf 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
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* GNU 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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _NETSURF_UTILS_UTILS_H_
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#define _NETSURF_UTILS_UTILS_H_
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <regex.h>
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#include <assert.h>
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#ifndef NOF_ELEMENTS
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#define NOF_ELEMENTS(array) (sizeof(array)/sizeof(*(array)))
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#endif
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#ifndef ABS
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#define ABS(x) (((x)>0)?(x):(-(x)))
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#endif
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#ifndef min
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#define min(x,y) (((x)<(y))?(x):(y))
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#endif
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#ifndef max
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#define max(x,y) (((x)>(y))?(x):(y))
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#endif
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/**
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* Calculate length of constant C string.
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*
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* \param x a constant C string.
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* \return the length of C string without its terminating NUL accounted.
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*/
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#define SLEN(x) (sizeof((x)) - 1)
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enum query_response {
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QUERY_CONTINUE,
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QUERY_YES,
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QUERY_NO,
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QUERY_ESCAPE
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};
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typedef int query_id;
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#define QUERY_INVALID ((query_id)-1)
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typedef struct
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{
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void (*confirm)(query_id id, enum query_response res, void *pw);
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void (*cancel)(query_id, enum query_response res, void *pw);
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} query_callback;
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char * strip(char * const s);
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int whitespace(const char * str);
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char * squash_whitespace(const char * s);
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char *cnv_space2nbsp(const char *s);
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bool is_dir(const char *path);
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void regcomp_wrapper(regex_t *preg, const char *regex, int cflags);
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void unicode_transliterate(unsigned int c, char **r);
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char *human_friendly_bytesize(unsigned long bytesize);
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const char *rfc1123_date(time_t t);
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#if !(defined(_GNU_SOURCE) || defined(__NetBSD__)) || defined(riscos) || \
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defined(__APPLE__)
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char *strcasestr(const char *haystack, const char *needle);
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#endif
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unsigned int wallclock(void);
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/**
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* Return a hex digit for the given numerical value.
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*
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* \return character in range 0-9a-f
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*/
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inline static char digit2lowcase_hex(unsigned char digit) {
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assert(digit < 16);
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return "0123456789abcdef"[digit];
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}
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/* Platform specific functions */
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void die(const char * const error);
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void warn_user(const char *warning, const char *detail);
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query_id query_user(const char *query, const char *detail,
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const query_callback *cb, void *pw, const char *yes, const char *no);
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void query_close(query_id);
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#endif
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