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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /* csnippets (c) 2019-2023 He Xian <[email protected]> | ||
| * This code is licensed under MIT license (see LICENSE for details) */ | ||
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| #include "formats.h" | ||
| #include "utils/arraysize.h" | ||
| #include "utils/minmax.h" | ||
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| #include <stdint.h> | ||
| #include <stdio.h> | ||
| #include <math.h> | ||
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| struct duration make_duration(double value) | ||
| { | ||
| if (!isfinite(value)) { | ||
| return (struct duration){ 0 }; | ||
| } | ||
| struct duration d; | ||
| if (value < 0.0) { | ||
| d.sign = -1; | ||
| value = -value; | ||
| } else { | ||
| d.sign = 1; | ||
| } | ||
| d.nanos = (unsigned int)floor(fmod(value * 1e+9, 1000.0)); | ||
| d.micros = (unsigned int)floor(fmod(value * 1e+6, 1000.0)); | ||
| d.millis = (unsigned int)floor(fmod(value * 1e+3, 1000.0)); | ||
| d.seconds = (unsigned int)floor(fmod(value, 60.0)); | ||
| value /= 60.0; | ||
| d.minutes = (unsigned int)floor(fmod(value, 60.0)); | ||
| value /= 60.0; | ||
| d.hours = (unsigned int)floor(fmod(value, 24.0)); | ||
| value /= 24.0; | ||
| d.days = (unsigned int)floor(value); | ||
| return d; | ||
| } | ||
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| struct duration make_duration_nanos(int64_t value) | ||
| { | ||
| struct duration d; | ||
| if (value < INT64_C(0)) { | ||
| d.sign = -1; | ||
| value = -value; | ||
| } else { | ||
| d.sign = 1; | ||
| } | ||
| d.nanos = (unsigned int)(value % 1000); | ||
| value /= 1000; | ||
| d.micros = (unsigned int)(value % 1000); | ||
| value /= 1000; | ||
| d.millis = (unsigned int)(value % 1000); | ||
| value /= 1000; | ||
| d.seconds = (unsigned int)(value % 60); | ||
| value /= 60; | ||
| d.minutes = (unsigned int)(value % 60); | ||
| value /= 60; | ||
| d.hours = (unsigned int)(value % 24); | ||
| value /= 24; | ||
| d.days = (unsigned int)value; | ||
| return d; | ||
| } | ||
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| static const char *iec_units[] = { | ||
| "B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB", | ||
| }; | ||
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| int format_iec_bytes(char *buf, const size_t bufsize, const double value) | ||
| { | ||
| if (!isfinite(value) || (value < 8192.0)) { | ||
| return snprintf(buf, bufsize, "%.0lf %s", value, iec_units[0]); | ||
| } | ||
| const int x = ((int)log2(value) - 3) / 10; | ||
| const int n = (int)ARRAY_SIZE(iec_units) - 1; | ||
| const int i = CLAMP(x, 0, n); | ||
| const double v = ldexp(value, i * -10); | ||
| if (v < 10.0) { | ||
| return snprintf(buf, bufsize, "%.02lf %s", v, iec_units[i]); | ||
| } | ||
| if (v < 100.0) { | ||
| return snprintf(buf, bufsize, "%.01lf %s", v, iec_units[i]); | ||
| } | ||
| return snprintf(buf, bufsize, "%.0lf %s", v, iec_units[i]); | ||
| } | ||
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| int format_duration_seconds(char *b, const size_t size, const struct duration d) | ||
| { | ||
| if (d.days) { | ||
| return snprintf( | ||
| b, size, "%dd%02u:%02u:%02u", d.sign * (int)d.days, | ||
| d.hours, d.minutes, d.seconds); | ||
| } else if (d.hours) { | ||
| return snprintf( | ||
| b, size, "%d:%02u:%02u", d.sign * (int)d.hours, | ||
| d.minutes, d.seconds); | ||
| } else if (d.minutes) { | ||
| return snprintf( | ||
| b, size, "%d:%02u", d.sign * (int)d.minutes, d.seconds); | ||
| } | ||
| if (d.sign < 0) { | ||
| return snprintf(b, size, "-%u", d.seconds); | ||
| } | ||
| return snprintf(b, size, "%u", d.seconds); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| /* csnippets (c) 2019-2023 He Xian <[email protected]> | ||
| * This code is licensed under MIT license (see LICENSE for details) */ | ||
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| #ifndef FORMATS_H | ||
| #define FORMATS_H | ||
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| #include <stddef.h> | ||
| #include <stdint.h> | ||
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| int format_iec_bytes(char *buf, size_t bufsize, double value); | ||
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| struct duration { | ||
| signed int sign; /* +1 or -1, 0 is null, otherwise undefined */ | ||
| unsigned int days; | ||
| unsigned int hours; | ||
| unsigned int minutes; | ||
| unsigned int seconds; | ||
| unsigned int millis; | ||
| unsigned int micros; | ||
| unsigned int nanos; | ||
| }; | ||
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| struct duration make_duration(double seconds); | ||
| struct duration make_duration_nanos(int64_t nanos); | ||
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| int format_duration_seconds(char *b, size_t size, struct duration d); | ||
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| #endif /* FORMATS_H */ |
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