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128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
#pragma once
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <time.h>
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#include <fcntl.h>
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#define UNARY_PLUS(v) (v>0 ? "+" : "")
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// this saves memory. sockaddr_storage is larger than required. it can be 128 bytes. sockaddr_in6 is 28 bytes.
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typedef union
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{
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struct sockaddr_in sa4; // size 16
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struct sockaddr_in6 sa6; // size 28
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char _align[32]; // force 16-byte alignment for ip6_and int128 ops
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} sockaddr_in46;
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int unique_size_t(size_t *pu, int ct);
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int unique_ssize_t(ssize_t *pu, int ct);
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void qsort_size_t(size_t *array, int ct);
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void qsort_ssize_t(ssize_t *array, int ct);
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int str_index(const char **strs, int count, const char *str);
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void rtrim(char *s);
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void replace_char(char *s, char from, char to);
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const char *strncasestr(const char *s,const char *find, size_t slen);
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// [a-zA-z][a-zA-Z0-9]*
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bool is_identifier(const char *p);
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ssize_t read_intr(int fd, void *buf, size_t count);
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bool fread_safe(void *ptr, size_t size, size_t nmemb, FILE *F, size_t *rd);
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char* fgets_safe(char *s, int size, FILE *stream);
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bool load_file(const char *filename, off_t offset, void *buffer, size_t *buffer_size);
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bool save_file(const char *filename, const void *buffer, size_t buffer_size);
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bool append_to_list_file(const char *filename, const char *s);
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void expand_bits(void *target, const void *source, unsigned int source_bitlen, unsigned int target_bytelen);
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bool strip_host_to_ip(char *host);
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void print_sockaddr(const struct sockaddr *sa);
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void ntopa46(const struct in_addr *ip, const struct in6_addr *ip6,char *str, size_t len);
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void ntop46(const struct sockaddr *sa, char *str, size_t len);
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void ntop46_port(const struct sockaddr *sa, char *str, size_t len);
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uint16_t saport(const struct sockaddr *sa);
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bool sa_has_addr(const struct sockaddr *sa);
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bool seq_within(uint32_t s, uint32_t s1, uint32_t s2);
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bool ipv6_addr_is_zero(const struct in6_addr *a);
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uint16_t pntoh16(const uint8_t *p);
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void phton16(uint8_t *p, uint16_t v);
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uint32_t pntoh24(const uint8_t *p);
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void phton24(uint8_t *p, uint32_t v);
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uint32_t pntoh32(const uint8_t *p);
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void phton32(uint8_t *p, uint32_t v);
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uint64_t pntoh48(const uint8_t *p);
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void phton48(uint8_t *p, uint64_t v);
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uint64_t pntoh64(const uint8_t *p);
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void phton64(uint8_t *p, uint64_t v);
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uint16_t bswap16(uint16_t u);
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uint32_t bswap24(uint32_t u);
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uint64_t bswap48(uint64_t u);
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bool parse_hex_str(const char *s, uint8_t *pbuf, size_t *size);
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char hex_digit(uint8_t v);
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int fprint_localtime(FILE *F);
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typedef struct
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{
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time_t mod_time;
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off_t size;
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} file_mod_sig;
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#define FILE_MOD_COMPARE(ms1,ms2) (((ms1)->mod_time==(ms2)->mod_time) && ((ms1)->size==(ms2)->size))
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#define FILE_MOD_RESET(ms) memset(ms,0,sizeof(file_mod_sig))
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bool file_mod_signature(const char *filename, file_mod_sig *ms);
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time_t file_mod_time(const char *filename);
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bool file_size(const char *filename, off_t *size);
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bool file_open_test(const char *filename, int flags);
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#if defined(__FreeBSD__) && __FreeBSD_version <= 1200000
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int getentropy(void *buf, size_t len);
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#endif
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void fill_random_bytes(uint8_t *p,size_t sz);
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void fill_random_az(uint8_t *p,size_t sz);
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void fill_random_az09(uint8_t *p,size_t sz);
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bool fill_crypto_random_bytes(uint8_t *p,size_t sz);
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void bxor(const uint8_t *x1, const uint8_t *x2, uint8_t *result, size_t sz);
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void band(const uint8_t *x1, const uint8_t *x2, uint8_t *result, size_t sz);
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void bor(const uint8_t *x1, const uint8_t *x2, uint8_t *result, size_t sz);
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void set_console_io_buffering(void);
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void close_std(void);
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void close_std_and_exit(int code);
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bool set_env_exedir(const char *argv0);
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bool realpath_any(const char *file, char *pabs);
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bool parse_int16(const char *p, int16_t *v);
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#ifdef CLOCK_BOOTTIME
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#define CLOCK_BOOT_OR_UPTIME CLOCK_BOOTTIME
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#elif defined(CLOCK_UPTIME)
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#define CLOCK_BOOT_OR_UPTIME CLOCK_UPTIME
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#else
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#define CLOCK_BOOT_OR_UPTIME CLOCK_MONOTONIC
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#endif
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time_t boottime(void);
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#ifdef __CYGWIN__
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uint32_t mask_from_bitcount(uint32_t zct);
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void mask_from_bitcount6_prepare(void);
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const struct in6_addr *mask_from_bitcount6(uint32_t zct);
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#endif
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