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Use an unsigned integer for the number of dives

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Because the dive_count variable is decremented, it doesn't contain the
total number of dives, but the index of the last dive. A negative number
indicates no dives. The same result can be obtained by using the total
number of dives directly. That's not only more intuitive, but also fixes
a -Wsign-compare compiler warning.
This commit is contained in:
Jef Driesen 2020-09-04 07:58:03 +02:00
parent fc76b4a258
commit 5eddaeade6
1 changed files with 2 additions and 3 deletions
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5
src/cochran_commander.c
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@ -621,7 +621,7 @@ cochran_commander_find_fingerprint(cochran_commander_device_t *device, cochran_d
// We track profile ringbuffer usage to determine which dives have profile data
int profile_capacity_remaining = device->layout->rb_profile_end - device->layout->rb_profile_begin;
int dive_count = -1;
unsigned int dive_count = 0;
data->fp_dive_num = -1;
// Start at end of log
@ -629,7 +629,6 @@ cochran_commander_find_fingerprint(cochran_commander_device_t *device, cochran_d
dive_count = data->dive_count;
else
dive_count = device->layout->rb_logbook_entry_count;
dive_count--;
unsigned int sample_read_size = 0;
data->invalid_profile_dive_num = -1;
@ -676,7 +675,7 @@ cochran_commander_find_fingerprint(cochran_commander_device_t *device, cochran_d
// Loop through dives to find FP, Accumulate profile data size,
// and find the last dive with invalid profile
for (unsigned int i = 0; i <= dive_count; ++i) {
for (unsigned int i = 0; i < dive_count; ++i) {
unsigned int idx = (device->layout->rb_logbook_entry_count + head_dive - (i + 1)) % device->layout->rb_logbook_entry_count;
unsigned char *log_entry = data->logbook + idx * device->layout->rb_logbook_entry_size;