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cd28e88bee
Sometimes we want to create a dive site just based on a name, sometimes we have both a name and GPS coordinates. Let's make a helper for either case. Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/* divesite.c */
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#include "divesite.h"
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#include "dive.h"
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struct dive_site_table dive_site_table;
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/* try to create a uniqe ID - fingers crossed */
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static uint32_t dive_site_getUniqId()
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{
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uint32_t id = 0;
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while (id == 0 || get_dive_site_by_uuid(id))
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id = random() + random();
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return id;
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}
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struct dive_site *alloc_dive_site()
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{
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int nr = dive_site_table.nr, allocated = dive_site_table.allocated;
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struct dive_site **sites = dive_site_table.dive_sites;
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if (nr >= allocated) {
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allocated = (nr + 32) * 3 / 2;
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sites = realloc(sites, allocated * sizeof(struct dive_site *));
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if (!sites)
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exit(1);
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dive_site_table.dive_sites = sites;
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dive_site_table.allocated = allocated;
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}
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struct dive_site *ds = calloc(1, sizeof(*ds));
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if (!ds)
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exit(1);
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sites[nr] = ds;
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dive_site_table.nr = nr + 1;
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return ds;
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}
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/* allocate a new site and add it to the table */
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uint32_t create_dive_site(const char *name)
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{
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struct dive_site *ds = alloc_dive_site();
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ds->uuid = dive_site_getUniqId();
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ds->name = copy_string(name);
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return ds->uuid;
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}
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/* same as before, but with GPS data */
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uint32_t create_dive_site_with_gps(const char *name, degrees_t latitude, degrees_t longitude)
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{
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struct dive_site *ds = alloc_dive_site();
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ds->uuid = dive_site_getUniqId();
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ds->name = copy_string(name);
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ds->latitude = latitude;
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ds->longitude = longitude;
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return ds->uuid;
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}
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/* this either returns the uuid for a site with that name or creates an entry */
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uint32_t dive_site_uuid_by_name(const char *name)
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{
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uint32_t id = get_dive_site_uuid_by_name(name);
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if (id == 0)
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id = create_dive_site(name);
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return id;
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}
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