forked from Telodendria/Telodendria
Jordan Bancino
cdd7808642
Right now there's a nasty memory bug I need to fix. Will have to run this through valgrind.
87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/*
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* Copyright (C) 2022 Jordan Bancino <@jordan:bancino.net>
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* Util.h: Some misc. helper functions that provide functionality that
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* doesn't need its own full API. The functions here are entirely
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* stand-alone, and generally don't depend on any of the other APIs
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* defined by Telodendria.
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*/
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#ifndef TELODENDRIA_UTIL_H
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#define TELODENDRIA_UTIL_H
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/*
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* Get the current type in milliseconds since the Unix epoch. This uses
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* POSIX gettimeofday(2) and time_t, and converts it to a single number,
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* which is returned.
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*
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* A note on the 2038 problem: that's a long ways away, screw future
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* me!
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*
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* Kidding. As long as (sizeof(long) == 8), that is, as long as the
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* long datatype is 64 bits, which is is on all modern 64-bit Unix-like
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* operating systems, then everything should be fine. Expect
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* Telodendria on 32-bit machines to break in 2038. I didn't want to
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* try to hack together some system to store larger numbers than the
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* architecture supports. We can always re-evaluate things over the
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* next decade.
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*
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* Return: A long representing the current time in milliseconds since
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* the beginning of the Unix epoch, just as the Matrix spec requires.
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*/
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extern long
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UtilServerTs(void);
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/*
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* Encode a single UTF-8 codepoint as a string buffer containing
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* between 1 and 4 bytes. The string buffer is allocated on the heap,
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* so it should be freed when it is no longer needed.
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*
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* Params:
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*
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* (unsigned long) The UTF-8 codepoint to encode as a byte buffer.
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*
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* Return: a null-terminated byte buffer representing the UTF-8
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* codepoint.
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*/
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extern char *
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UtilUtf8Encode(unsigned long);
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/*
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* Duplicate a null-terminated string, and return a new string on the
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* heap.
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*
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* Params:
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* (char *) The string to duplicate. It can be located anywhere on
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* the heap or the stack.
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*
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* Return: A pointer to a null-terminated string on the heap. You must
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* free() it when you're done with it. This may also return NULL if the
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* call to malloc() fails.
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*/
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extern char *
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UtilStringDuplicate(char *);
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#endif /* TELODENDRIA_UTIL_H */
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