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/* linux.c */
/* implements Linux specific functions */
#include "dive.h"
#include "display.h"
#include <string.h>
#include <sys/types.h>
#include <dirent.h>
#include <fnmatch.h>
const char system_divelist_default_font[] = "Sans 8";
const char *system_default_filename(void)
{
const char *home, *user;
char *buffer;
int len;
home = getenv("HOME");
user = getenv("LOGNAME");
len = strlen(home) + strlen(user) + 17;
buffer = malloc(len);
snprintf(buffer, len, "%s/subsurface/%s.xml", home, user);
return buffer;
}
int enumerate_devices (device_callback_t callback, void *userdata)
{
int index = -1;
DIR *dp = NULL;
struct dirent *ep = NULL;
size_t i;
const char *dirname = "/dev";
const char *patterns[] = {
"ttyUSB*",
"ttyS*",
"ttyACM*",
"rfcomm*",
NULL
};
FILE *file;
char *line = NULL;
char *fname;
size_t len;
dp = opendir (dirname);
if (dp == NULL) {
return -1;
}
while ((ep = readdir (dp)) != NULL) {
for (i = 0; patterns[i] != NULL; ++i) {
if (fnmatch (patterns[i], ep->d_name, 0) == 0) {
char filename[1024];
int n = snprintf (filename, sizeof (filename), "%s/%s", dirname, ep->d_name);
if (n >= sizeof (filename)) {
closedir (dp);
return -1;
}
callback (filename, userdata);
if (is_default_dive_computer_device(filename))
index = i;
break;
}
}
}
closedir (dp);
file = fopen("/proc/mounts", "r");
if (file == NULL)
return index;
while ((getline(&line, &len, file)) != -1) {
char *ptr = strstr(line, "UEMISSDA");
if (ptr) {
char *end = ptr, *start = ptr;
while (start > line && *start != ' ')
start--;
if (*start == ' ')
start++;
while (*end != ' ' && *end != '\0')
end++;
*end = '\0';
fname = strdup(start);
callback(fname, userdata);
if (is_default_dive_computer_device(fname))
index = i;
i++;
free((void *)fname);
}
}
free(line);
fclose(file);
return index;
}
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