Implemented date
#38
Implemented date
#38
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hello thanks for your contribution! please also add |
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@proh14 I now added |
| @@ -1,6 +1,338 @@ | |||
| #define _POSIX_C_SOURCE 200112L // for setenv | |||
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You will need to create your own setenv. Fear not, it is simpler than it seems.
Take a look at glibc implementaion or muscl one
| } | ||
| } | ||
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| #define s(i) (str[i] - '0') |
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For readability purposes, you may want to avoid doing define within functions
| static void use_iso_fmt(char *iso) { | ||
| if (!strcmp(iso, "hours")) { | ||
| set_operand("+%FT%H%:z"); | ||
| } else if (!strcmp(iso, "minutes")) { | ||
| set_operand("+%FT%H:%M%:z"); | ||
| } else if (!strcmp(iso, "date")) { | ||
| set_operand("+%F"); | ||
| } else if (!strcmp(iso, "seconds")) { | ||
| set_operand("+%FT%T%:z"); | ||
| } else if (!strcmp(iso, "ns")) { | ||
| set_operand("+%FT%T,%N%:z"); | ||
| } else { | ||
| fprintf(stderr, "date: invalid argument '%s' for '--iso-8601'\n", iso); | ||
| fprintf(stderr, | ||
| "must be one of 'hours', 'minutes', 'date', 'seconds', 'ns'\n"); | ||
| exit(EXIT_FAILURE); | ||
| } | ||
| } |
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rebase and move to getopt_long
| static bool strpre(const char *pre, const char *str) { | ||
| return !strncmp(pre, str, strlen(pre)); | ||
| } |
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Consider
| static bool strpre(const char *pre, const char *str) { | |
| return !strncmp(pre, str, strlen(pre)); | |
| } | |
| #define strpre(pre, str) (!strncmp((pre), (str), sizeof (pre) - 1)) |
I implemented
date(issue #6) as described by the POSIX standard.I did implement support for changing the system time.
I did not implement any features that are not described in the POSIX standard.