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Cleanup: unglobalize variables in datatrak.c

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It's a drop in the bucket, but let's remove some unnecessary
global variables. With one exception these variables were only
used in one function anyway. The other one can be passed as a
parameter.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-03-18 14:17:31 +01:00 • committed by Dirk Hohndel
parent 41375a205c
commit 6c561b33d7
1 changed files with 8 additions and 14 deletions
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22
core/datatrak.c
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@ -16,12 +16,6 @@
#include "file.h"
#include "ssrf.h"
unsigned char tmp_1byte, *byte;
unsigned int tmp_2bytes;
char is_nitrox, is_O2, is_SCR;
unsigned long tmp_4bytes;
long maxbuf;
static unsigned int two_bytes_to_int(unsigned char x, unsigned char y)
{
return (x << 8) + y;
@ -147,7 +141,7 @@ static dc_status_t dt_libdc_buffer(unsigned char *ptr, int prf_length, int dc_mo
* Parses a mem buffer extracting its data and filling a subsurface's dive structure.
* Returns a pointer to last position in buffer, or NULL on failure.
*/
static unsigned char *dt_dive_parser(unsigned char *runner, struct dive *dt_dive)
static unsigned char *dt_dive_parser(unsigned char *runner, struct dive *dt_dive, long maxbuf)
{
int rc, profile_length, libdc_model;
char *tmp_notes_str = NULL;
@ -157,13 +151,13 @@ static unsigned char *dt_dive_parser(unsigned char *runner, struct dive *dt_dive
*compl_buffer,
*membuf = runner;
char buffer[1024];
unsigned char tmp_1byte, *byte;
unsigned int tmp_2bytes;
unsigned long tmp_4bytes;
struct dive_site *ds;
device_data_t *devdata = calloc(1, sizeof(device_data_t));
char is_nitrox = 0, is_O2 = 0, is_SCR = 0;
/*
* Reset global variables for new dive
*/
is_nitrox = is_O2 = is_SCR = 0;
device_data_t *devdata = calloc(1, sizeof(device_data_t));
/*
* Parse byte to byte till next dive entry
@ -583,7 +577,7 @@ int datatrak_import(struct memblock *mem, struct dive_table *table, struct trip_
unsigned char *runner;
int i = 0, numdives = 0, rc = 0;
maxbuf = (long) mem->buffer + mem->size;
long maxbuf = (long) mem->buffer + mem->size;
// Verify fileheader, get number of dives in datatrak divelog, zero on error
numdives = read_file_header((unsigned char *)mem->buffer);
@ -599,7 +593,7 @@ int datatrak_import(struct memblock *mem, struct dive_table *table, struct trip_
while ((i < numdives) && ((long) runner < maxbuf)) {
struct dive *ptdive = alloc_dive();
runner = dt_dive_parser(runner, ptdive);
runner = dt_dive_parser(runner, ptdive, maxbuf);
if (runner == NULL) {
report_error(translate("gettextFromC", "Error: no dive"));
free(ptdive);