GopherProxy

	util.h - sfeed - RSS and Atom parser
	git clone git://git.codemadness.org/sfeed
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	util.h (2334B)
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	1 #include <stdio.h>
	2 #include <time.h>
	3
	4 #ifdef __OpenBSD__
	5 #include <unistd.h>
	6 #else
	7 #define pledge(p1,p2) 0
	8 #define unveil(p1,p2) 0
	9 #endif
	10
	11 /* ctype-like macros, but always compatible with ASCII / UTF-8 */
	12 #define ISALPHA(c) ((((unsigned)c) \| 32) - 'a' < 26)
	13 #define ISCNTRL(c) ((c) < ' ' \|\| (c) == 0x7f)
	14 #define ISDIGIT(c) (((unsigned)c) - '0' < 10)
	15 #define ISSPACE(c) ((c) == ' ' \|\| ((((unsigned)c) - '\t') < 5))
	16 #define TOLOWER(c) ((((unsigned)c) - 'A' < 26) ? ((c) \| 32) : (c))
	17
	18 #undef strcasestr
	19 char strcasestr(const char , const char *);
	20 #undef strlcat
	21 size_t strlcat(char , const char , size_t);
	22 #undef strlcpy
	23 size_t strlcpy(char , const char , size_t);
	24
	25 #ifndef SFEED_DUMBTERM
	26 #define PAD_TRUNCATE_SYMBOL "\xe2\x80\xa6" /* symbol: "ellipsis" */
	27 #define UTF_INVALID_SYMBOL "\xef\xbf\xbd" /* symbol: "replacement" */
	28 #else
	29 #define PAD_TRUNCATE_SYMBOL "."
	30 #define UTF_INVALID_SYMBOL "?"
	31 #endif
	32
	33 /* feed info */
	34 struct feed {
	35 char name; / feed name */
	36 unsigned long totalnew; /* amount of new items per feed */
	37 unsigned long total; /* total items */
	38 /* sfeed_curses */
	39 char path; / path to feed or NULL for stdin */
	40 FILE fp; / file pointer */
	41 };
	42
	43 /* URI */
	44 struct uri {
	45 char proto[48]; /* scheme including ":" or "://" */
	46 char userinfo[256]; /* username [:password] */
	47 char host[256];
	48 char port[6]; /* numeric port */
	49 char path[1024];
	50 char query[1024];
	51 char fragment[1024];
	52 };
	53
	54 enum {
	55 FieldUnixTimestamp = 0, FieldTitle, FieldLink, FieldContent,
	56 FieldContentType, FieldId, FieldAuthor, FieldEnclosure, FieldCat…
	57 FieldLast
	58 };
	59
	60 /* hint for compilers and static analyzers that a function does not retu…
	61 * some compilers use: __attribute__((noreturn)), _Noreturn, noreturn */
	62 #ifndef __dead
	63 #define __dead
	64 #endif
	65
	66 __dead void err(int, const char *, ...);
	67 __dead void errx(int, const char *, ...);
	68
	69 int uri_format(char , size_t, struct uri );
	70 int uri_hasscheme(const char *);
	71 int uri_makeabs(struct uri , struct uri , struct uri *);
	72 int uri_parse(const char , struct uri );
	73
	74 void checkfileerror(FILE , const char , int);
	75 time_t getcomparetime(void);
	76 void parseline(char , char [FieldLast]);
	77 void printutf8pad(FILE , const char , size_t, int);
	78 int strtotime(const char , time_t );
	79 void xmlencode(const char , FILE );