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89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#ifndef _SHARED_H
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#define _SHARED_H
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <time.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <math.h>
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#if defined (_WIN)
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#include <winsock2.h> // needed for select()
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#else
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#include <sys/select.h>
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#endif
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bool overflow_check_u32_add (const u32 a, const u32 b);
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bool overflow_check_u32_mul (const u32 a, const u32 b);
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bool overflow_check_u64_add (const u64 a, const u64 b);
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bool overflow_check_u64_mul (const u64 a, const u64 b);
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bool is_power_of_2 (const u32 v);
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u32 get_random_num (const u32 min, const u32 max);
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u32 mydivc32 (const u32 dividend, const u32 divisor);
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u64 mydivc64 (const u64 dividend, const u64 divisor);
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char *filename_from_filepath (char *filepath);
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void naive_replace (char *s, const char key_char, const char replace_char);
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void naive_escape (char *s, size_t s_max, const char key_char, const char escape_char);
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__attribute__ ((format (printf, 2, 3))) void hc_asprintf (char **strp, const char *fmt, ...);
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void setup_environment_variables (void);
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void setup_umask (void);
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void setup_seeding (const bool rp_gen_seed_chgd, const u32 rp_gen_seed);
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void hc_qsort_r (void *base, size_t nmemb, size_t size, int (*compar) (const void *, const void *, void *), void *arg);
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void *hc_bsearch_r (const void *key, const void *base, size_t nmemb, size_t size, int (*compar) (const void *, const void *, void *), void *arg);
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bool hc_path_is_file (const char *path);
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bool hc_path_is_directory (const char *path);
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bool hc_path_is_empty (const char *path);
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bool hc_path_exist (const char *path);
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bool hc_path_read (const char *path);
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bool hc_path_write (const char *path);
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bool hc_path_create (const char *path);
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bool hc_path_has_bom (const char *path);
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bool hc_string_is_digit (const char *s);
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void hc_string_trim_trailing (char *s);
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void hc_string_trim_leading (char *s);
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size_t hc_fread (void *ptr, size_t size, size_t nmemb, FILE *stream);
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void hc_fwrite (const void *ptr, size_t size, size_t nmemb, FILE *stream);
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bool hc_same_files (char *file1, char *file2);
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u32 hc_strtoul (const char *nptr, char **endptr, int base);
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u64 hc_strtoull (const char *nptr, char **endptr, int base);
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u32 power_of_two_ceil_32 (const u32 v);
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u32 power_of_two_floor_32 (const u32 v);
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u32 round_up_multiple_32 (const u32 v, const u32 m);
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u64 round_up_multiple_64 (const u64 v, const u64 m);
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void hc_strncat (u8 *dst, u8 *src, const size_t n);
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int count_char (const u8 *buf, const int len, const u8 c);
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float get_entropy (const u8 *buf, const int len);
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int select_read_timeout (int sockfd, const int sec);
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int select_write_timeout (int sockfd, const int sec);
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int select_read_timeout_console (const int sec);
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#endif // _SHARED_H
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