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Diffstat (limited to 'man/libsimple_strtotimespec.3')
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diff --git a/man/libsimple_strtotimespec.3 b/man/libsimple_strtotimespec.3 new file mode 100644 index 0000000..85ff88b --- /dev/null +++ b/man/libsimple_strtotimespec.3 @@ -0,0 +1,133 @@ +.TH LIBSIMPLE_STRTOTIMESPEC 3 2018-10-31 libsimple +.SH NAME +libsimple_strtotimespec, libsimple_strtotimeval \- convert a string to a duration data structure +.SH SYNOPSIS +.nf +#include <libsimple.h> + +int libsimple_strtotimespec(struct timespec *restrict \fIts\fP, const char *\fIs\fP, char **\fIend\fP); +int libsimple_strtotimeval(struct timeval *restrict \fItv\fP, const char *\fIs\fP, char **\fIend\fP); + +#ifndef strtotimespec +# define strtotimespec libsimple_strtotimespec +#endif +#ifndef strtotimeval +# define strtotimeval libsimple_strtotimeval +#endif +.fi +.PP +Link with +.IR \-lsimple . +.SH DESCRIPTION +The +.BR libsimple_strtotimespec () +and +.BR libsimple_strtotimeval () +functions will parse the string +.IR s , +representing a real value of number of seconds, +and store the value in +.I ts +and +.R tv +respectively, rounding to the nearest nanosecond +(for the +.BR libsimple_strtotimespec ()) +or microsecond +(for the +.BR libsimple_strtotimeval ()). +These functions will ignore any leading whitespace +and byte where the parsing stopped, as +.I s +with an offset, to +.IR end . +The parsed part of +.I s +must contain atleast one digit and be on the +format +.BR [+-]\e?[0-9]*\e(\e.[0-9]*\e(\e.[0-9]*\e|([0-9]*)\e)\e?\e)\e? . +where the digits in +.BR \e2 , +if any, are repeating decimals and must contain atleast +one digit if it is included. +.SH RETURN VALUE +The +.BR libsimple_strtotimespec () +and +.BR libsimple_strtotimeval () +functions return 0 upon successful completion; +otherwise \-1 is returned. +.SH ERRORS +The +.BR libsimple_strtotimespec () +and +.BR libsimple_strtotimeval () +functions fail if: +.TP +.B EINVAL +.I s +does not represent a real value in a recognised format. +.I *end +will not be set. +.TP +.B ERANGE +The result is too large or too small to be store. Either +.I *ts +will be set to +.I {.tv_sec=TIME_MAX,.tv_nsec=999999999L} +and +.I *tv +set to +.I {.tv_sec=TIME_MAX,.tv_usec=999999L} +(if the result is too large) or to +.I {.tv_sec=TIME_MIN,.tv_nsec=0L} +and +.I {.tv_sec=TIME_MIN,.tv_usec=0L} +(if the result is too small). +.I *end +will be set. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lb lb lb +l l l. +Interface Attribute Value +T{ +.BR libsimple_strtotimespec () +.br +.BR libsimple_strtotimeval () +T} Thread safety MT-Safe +T{ +.BR libsimple_strtotimespec () +.br +.BR libsimple_strtotimeval () +T} Async-signal safety AS-Safe +T{ +.BR libsimple_strtotimespec () +.br +.BR libsimple_strtotimeval () +T} Async-cancel safety AC-Safe +.TE +.SH EXAMPLES +None. +.SH APPLICATION USAGE +None. +.SH RATIONALE +None. +.SH FUTURE DIRECTIONS +None. +.SH NOTES +None. +.SH BUGS +None. +.SH SEE ALSO +.BR libsimple_sumtimespec (3), +.BR libsimple_difftimespec (3), +.BR libsimple_multimespec (3), +.BR libsimple_cmptimespec (3), +.BR libsimple_timespectostr (3), +.BR libsimple_timespectodouble (3), +.BR libsimple_doubletotimespec (3), +.BR libsimple_timeval2timespec (3) |