|
- #define _XOPEN_SOURCE
- #include <stdlib.h>
- #include <string.h>
- #include <time.h>
-
- #include "util.h"
-
- void util_byte2hex(const uint8_t* bytes, size_t bytes_len,
- bool uppercase, char* out)
- {
- const char* hex = (uppercase) ? "0123456789ABCDEF" : "0123456789abcdef";
- for (size_t i = 0; i < bytes_len; i++) {
- *out++ = hex[bytes[i] >> 4];
- *out++ = hex[bytes[i] & 0xF];
- }
- *out = '\0';
- }
-
- const char *util_get_home()
- {
- const char *home_env = getenv("HOME");
- return home_env; /* TODO this can be null, use other methods as fallback */
- }
-
- char *util_basename(const char *fullpath)
- {
- char *name_part = strrchr(fullpath, '/');
- if (name_part)
- name_part++;
- else
- name_part = (char*)fullpath;
- return name_part;
- }
-
- uint64_t util_timespec_diff(const struct timespec *past,
- const struct timespec *future)
- {
- int64_t sdiff = future->tv_sec - past->tv_sec;
- int64_t nsdiff = future->tv_nsec - past->tv_nsec;
- return sdiff * 1000 + (nsdiff / 1000000);
- }
-
- uint64_t util_iso2unix(const char *isotime)
- {
- struct tm tm = {0};
- char *ms = strptime(isotime, "%Y-%m-%d", &tm);
-
- if (!ms || (*ms != '\0' && *ms != ' ' && *ms != 'T'))
- return 0;
- if (*ms == '\0')
- ms = "T00:00:00";
-
- ms = strptime(ms + 1, "%H:%M", &tm);
- if (!ms || (*ms != '\0' && *ms != ':'))
- return 0;
- if (*ms == '\0')
- ms = ":00";
-
- ms = strptime(ms + 1, "%S", &tm);
- if (!ms)
- return 0;
-
- return mktime(&tm);
- }
|