110 lines
5.8 KiB
C
110 lines
5.8 KiB
C
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#ifndef COSMOPOLITAN_LIBC_CONV_CONV_H_
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#define COSMOPOLITAN_LIBC_CONV_CONV_H_
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § conversion ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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/**
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* COBOL timestamp (1601) for UNIX epoch (1970).
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*
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* It's a well-known fact in the social sciences that the introduction
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* of the UNIX operation system signalled the end of modernity. Windows
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* timestamps are living proof.
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*/
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#define MODERNITYSECONDS 11644473600
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#define HECTONANOSECONDS 10000000
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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int abs(int) libcesque pureconst;
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long labs(long) libcesque pureconst;
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long long llabs(long long) libcesque pureconst;
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char *ltpcpy(char *, long) paramsnonnull() libcesque nocallback;
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int llog10(unsigned long) libcesque pureconst;
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int atoi(const char *) paramsnonnull() libcesque nosideeffect;
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long atol(const char *) paramsnonnull() libcesque nosideeffect;
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long long atoll(const char *) paramsnonnull() libcesque nosideeffect;
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unsigned long strtoul(const char *, char **, int) paramsnonnull((1));
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long long strtoll(const char *, char **, int) paramsnonnull((1));
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unsigned long long strtoull(const char *, char **, int) paramsnonnull((1));
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long long strtonum(const char *, long long, long long, const char **);
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intmax_t div10(intmax_t x, unsigned *rem) hidden;
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intmax_t strtoimax(const char *, char **, int) paramsnonnull((1));
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uintmax_t strtoumax(const char *, char **, int) paramsnonnull((1));
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intmax_t wcstoimax(const wchar_t *, wchar_t **, int);
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long wcstol(const wchar_t *, wchar_t **, int);
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long strtol(const char *, char **, int)
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paramsnonnull((1)) libcesque nosideeffect;
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intmax_t __imaxabs(intmax_t) asm("imaxabs") libcesque pureconst;
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#define imaxabs(x) __imaxabs(x)
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § conversion » time ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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struct NtFileTime;
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struct timespec;
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struct timeval;
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void filetimetotimespec(struct timespec *, struct NtFileTime) paramsnonnull();
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struct NtFileTime timetofiletime(int64_t) nothrow pureconst;
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int64_t filetimetotime(struct NtFileTime) nothrow pureconst;
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void filetimetotimeval(struct timeval *, struct NtFileTime) nothrow;
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struct NtFileTime timevaltofiletime(const struct timeval *) nosideeffect;
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long convertmicros(const struct timeval *, long) paramsnonnull() nosideeffect;
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § conversion » manipulation ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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char *basename(const char *) nosideeffect;
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char *basename_n(const char *, size_t) nosideeffect;
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bool isabspath(const char *) paramsnonnull() nosideeffect;
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § conversion » computation ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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typedef struct {
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int quot;
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int rem;
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} div_t;
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typedef struct {
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long int quot;
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long int rem;
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} ldiv_t;
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typedef struct {
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long long int quot;
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long long int rem;
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} lldiv_t;
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typedef struct {
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intmax_t quot;
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intmax_t rem;
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} imaxdiv_t;
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div_t div(int, int) pureconst;
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ldiv_t ldiv(long, long) pureconst;
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lldiv_t lldiv(long long, long long) pureconst;
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imaxdiv_t imaxdiv(intmax_t, intmax_t) pureconst;
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double RoundDecimalPlaces(double, double, double(double));
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § conversion » optimizations ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#if __STDC_VERSION__ + 0 >= 199901L
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#define div(num, den) ((div_t){(num) / (den), (num) % (den)})
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#define ldiv(num, den) ((ldiv_t){(num) / (den), (num) % (den)})
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#define lldiv(num, den) ((lldiv_t){(num) / (den), (num) % (den)})
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#endif
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_CONV_CONV_H_ */
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