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Generate a default name for a dive, if it doesn't have one already

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The name is a string containint date, time, depth and length.  So it's
useful even with nothing else going on.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-08-30 20:54:43 -07:00
parent 0ca546b31e
commit 3aa02ccba9
2 changed files with 25 additions and 0 deletions
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1
dive.h
View file

@ -101,6 +101,7 @@ struct sample {
}; };
struct dive { struct dive {
const char *name;
time_t when; time_t when;
depth_t maxdepth, meandepth; depth_t maxdepth, meandepth;
duration_t duration, surfacetime; duration_t duration, surfacetime;

24
parse.c
View file

@ -391,10 +391,34 @@ static void dive_start(void)
memset(&tm, 0, sizeof(tm)); memset(&tm, 0, sizeof(tm));
} }
static char *generate_name(struct dive *dive)
{
int len;
struct tm *tm;
char buffer[256], *p;
tm = gmtime(&dive->when);
len = snprintf(buffer, sizeof(buffer),
"%04d-%02d-%02d "
"%02d:%02d:%02d "
"(%d ft, %d min)\n",
tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
to_feet(dive->maxdepth), dive->duration.seconds / 60);
p = malloc(len+1);
if (!p)
exit(1);
memcpy(p, buffer, len+1);
return p;
}
static void dive_end(void) static void dive_end(void)
{ {
if (!dive) if (!dive)
return; return;
if (!dive->name)
dive->name = generate_name(dive);
record_dive(dive); record_dive(dive);
dive = NULL; dive = NULL;
} }