util.h (raw) (2334B)
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, FieldCategory, 57 FieldLast 58 }; 59 60 /* hint for compilers and static analyzers that a function does not return. 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 *);