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/*
* $Id: string.h 769 2007-10-24 00:15:40Z hubert@u.washington.edu $
*
* ========================================================================
* Copyright 2013-2022 Eduardo Chappa
* Copyright 2006-2007 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* ========================================================================
*/
#ifndef PITH_STRING_INCLUDED
#define PITH_STRING_INCLUDED
/*
* Hex conversion aids
*/
#define HEX_ARRAY "0123456789ABCDEF"
#define HEX_CHAR1(C) HEX_ARRAY[((C) & 0xf0) >> 4]
#define HEX_CHAR2(C) HEX_ARRAY[(C) & 0xf]
#define XDIGIT2C(C) ((C) - (isdigit((unsigned char) (C)) \
? '0' : (isupper((unsigned char)(C))? '7' : 'W')))
#define X2C(S) ((XDIGIT2C(*(S)) << 4) | XDIGIT2C(*((S)+1)))
#define C2XPAIR(C, S) { \
*(S)++ = HEX_CHAR1(C); \
*(S)++ = HEX_CHAR2(C); \
}
/* for flags to fold() routine */
#define FLD_NONE 0x00
#define FLD_CRLF 0x01 /* use CRLF end of line instead of LF */
#define FLD_PWS 0x02 /* preserve whitespace when folding */
#define FLD_NEXTSPC 0x04 /* fold at next available space after given length */
typedef enum {FrontDots, MidDots, EndDots} WhereDots;
/*
* Macro to help determine when we need to filter out chars
* from message index or headers...
*/
#define FILTER_THIS(c) (((((unsigned char) (c) < 0x20 \
|| (unsigned char) (c) == 0x7f) \
&& !ps_global->pass_ctrl_chars) \
|| (((unsigned char) (c) >= 0x80 \
&& (unsigned char) (c) < 0xA0) \
&& !ps_global->pass_ctrl_chars \
&& !ps_global->pass_c1_ctrl_chars)) \
&& !((c) == SPACE \
|| (c) == TAB \
|| (c) == '\016' \
|| (c) == '\017'))
/*
* Keeps track of selected folders between instances of
* the folder list screen.
*/
typedef struct name_list {
char *name;
struct name_list *next;
} STRLIST_S;
struct date {
int sec, minute, hour, day, month,
year, hours_off_gmt, min_off_gmt, wkday;
};
/* just a convenient place to put these so everything can access */
#define BUILDER_SCREEN_MANGLED 0x1
#define BUILDER_MESSAGE_DISPLAYED 0x2
#define BUILDER_FOOTER_MANGLED 0x4
/* exported prototypes */
char *rplstr(char *, size_t, int, char *);
void sqzspaces(char *);
void sqznewlines(char *);
void removing_leading_white_space(char *);
void removing_trailing_white_space(char *);
void replace_tabs_by_space(char *);
void removing_leading_and_trailing_white_space(char *);
int removing_double_quotes(char *);
char *skip_white_space(char *);
char *skip_to_white_space(char *);
char *removing_quotes(char *);
char *strclean(char *);
char *short_str(char *, char *, size_t, int, WhereDots);
char *srchstr(char *, char *);
char *srchrstr(char *, char *);
char *strindex(char *, int);
char *strrindex(char *, int);
char *iutf8ncpy(char *, char *, int);
char *istrncpy(char *, char *, int);
char *month_abbrev(int);
char *month_abbrev_locale(int);
char *month_name(int);
char *month_name_locale(int);
char *day_abbrev(int);
char *day_abbrev_locale(int);
char *day_name(int);
char *day_name_locale(int);
size_t our_strftime(char *, size_t, char *, struct tm *);
int month_num(char *);
void parse_date(char *, struct date *);
char *convert_date_to_local(char *);
char *repeat_char(int, int);
char *byte_string(long);
char *enth_string(int);
char *fold(char *, int, int, char *, char *, unsigned);
char *strsquish(char *, size_t, char *, int);
char *long2string(long);
char *ulong2string(unsigned long);
char *int2string(int);
char *strtoval(char *, int *, int, int, int, char *, size_t, char *);
char *strtolval(char *, long *, long, long, long, char *, size_t, char *);
void get_pair(char *, char **, char **, int, int);
char *put_pair(char *, char *);
char *quote_if_needed(char *);
int read_hex(char *);
char *string_to_cstring(char *);
char *cstring_to_hexstring(char *);
void cstring_to_string(char *, char *);
char *add_backslash_escapes(char *);
char *remove_backslash_escapes(char *);
char *add_viewerhdr_escapes(char *);
char *vcard_escape(char *);
char *vcard_unescape(char *);
void vcard_unfold(char *);
char *add_escapes(char *, char *, int, char *, char *);
char *copy_quoted_string_asis(char *);
int isxpair(char *);
STRLIST_S *new_strlist(char *);
STRLIST_S *new_strlist_auth(char *, char *, char);
STRLIST_S *copy_strlist(STRLIST_S *);
void combine_strlists(STRLIST_S **, STRLIST_S *);
void free_strlist(STRLIST_S **);
int read_octal(char **);
time_t date_to_local_time_t(char *);
void convert_decimal_to_roman (char *, size_t, long, char);
void convert_decimal_to_alpha (char *, size_t, long, char);
int timezone_offset_to_gmt(int *);
void remove_quotes(unsigned char *);
#endif /* PITH_STRING_INCLUDED */
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