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author | PikalaxALT <pikalaxalt@gmail.com> | 2017-12-15 09:38:53 -0500 |
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committer | PikalaxALT <pikalaxalt@gmail.com> | 2017-12-15 09:39:34 -0500 |
commit | f95a4a932476be2ba99e2fd081e8d2bc6ea12813 (patch) | |
tree | 75f67192cb2d7b7b575c94edda318e475239b63c /newlib/libc/time/difftime.c | |
parent | f60aca96985e68c7d8a52eb7bc955fb80e132f73 (diff) |
Import newlib and create makefile
Diffstat (limited to 'newlib/libc/time/difftime.c')
-rw-r--r-- | newlib/libc/time/difftime.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/newlib/libc/time/difftime.c b/newlib/libc/time/difftime.c new file mode 100644 index 0000000..93a4f00 --- /dev/null +++ b/newlib/libc/time/difftime.c @@ -0,0 +1,44 @@ +/* + * difftime.c + * Original Author: G. Haley + */ + +/* +FUNCTION +<<difftime>>---subtract two times + +INDEX + difftime + +ANSI_SYNOPSIS + #include <time.h> + double difftime(time_t <[tim1]>, time_t <[tim2]>); + +TRAD_SYNOPSIS + #include <time.h> + double difftime(<[tim1]>, <[tim2]>) + time_t <[tim1]>; + time_t <[tim2]>; + +DESCRIPTION +Subtracts the two times in the arguments: `<<<[tim1]> - <[tim2]>>>'. + +RETURNS +The difference (in seconds) between <[tim2]> and <[tim1]>, as a <<double>>. + +PORTABILITY +ANSI C requires <<difftime>>, and defines its result to be in seconds +in all implementations. + +<<difftime>> requires no supporting OS subroutines. +*/ + +#include <time.h> + +double +_DEFUN (difftime, (tim1, tim2), + time_t tim1 _AND + time_t tim2) +{ + return ((double) tim1 - tim2); +} |