diff options
| -rw-r--r-- | mshow.c | 101 |
1 files changed, 97 insertions, 4 deletions
diff --git a/mshow.c b/mshow.c index 1fdbbdd..7d50965 100644 --- a/mshow.c +++ b/mshow.c @@ -9,6 +9,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <time.h> #include <unistd.h> #include "blaze822.h" @@ -441,6 +442,98 @@ extract(char *file, int argc, char **argv, int use_stdout) static char *newcur; +static void +print_date_header(char *v) +{ + static time_t now = -1; + if (now == -1) { + setenv("TZ", "", 1); + tzset(); + now = time(0); + } + + printf("Date: %s", v); + + time_t t = blaze822_date(v); + if (t == -1) { + printf(" (invalid)"); + } else { + printf(" ("); + time_t d = t < now ? now - t : t - now; + + int l; + if (d > 60*60*24*7*52) l = 'y'; + else if (d > 60*60*24*7) l = 'w'; + else if (d > 60*60*24) l = 'd'; + else if (d > 60*60) l = 'h'; + else if (d > 60) l = 'm'; + else l = 's'; + int p = 3; + + int z; + switch(l) { + case 'y': + z = d / (60*60*24*7*52); + d = d % (60*60*24*7*52); + if (z > 0) { + printf("%d year%s", z, z>1 ? "s" : ""); + if (!--p) break; + printf(", "); + } + case 'w': + z = d / (60*60*24*7); + d = d % (60*60*24*7); + if (z > 0) { + printf("%d week%s", z, z>1 ? "s" : ""); + if (!--p) break; + printf(", "); + } + case 'd': + z = d / (60*60*24); + d = d % (60*60*24); + if (z > 0) { + printf("%d day%s", z, z>1 ? "s" : ""); + if (!--p) break; + printf(", "); + } + case 'h': + z = d / (60*60); + d = d % (60*60); + if (z > 0) { + printf("%d hour%s", z, z>1 ? "s" : ""); + if (!--p) break; + printf(", "); + } + case 'm': + z = d / (60); + d = d % (60); + if (z > 0) { + printf("%d minute%s", z, z>1 ? "s" : ""); + if (!--p) break; + printf(", "); + } + case 's': + z = d; + printf("%d second%s", z, z>1 ? "s" : ""); + } + + if (t < now) + printf(" ago)"); + else + printf(" in the future)"); + } + printf("\n"); +} + +static void +print_decode_header(char *h, char *v) +{ + char d[4096]; + blaze822_decode_rfc2047(d, v, sizeof d, "UTF-8"); + printhdr(h); + printf(": %s\n", d); +} + void show(char *file) { @@ -492,10 +585,10 @@ show(char *file) *n = 0; v = blaze822_chdr(msg, h); if (v) { - char d[4096]; - blaze822_decode_rfc2047(d, v, sizeof d, "UTF-8"); - printhdr(h); - printf(": %s\n", d); + if (strcmp("date", h) == 0) + print_date_header(v); + else + print_decode_header(h, v); } if (n) { *n = ':'; |