summaryrefslogtreecommitdiffstats
path: root/linux.c
blob: 8c79a3f2de433f67345050a6f6af0298d93b45d9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
/* linux.c */
/* implements Linux specific functions */
#include "dive.h"
#include "display.h"
#include "membuffer.h"
#include <string.h>
#include <sys/types.h>
#include <dirent.h>
#include <fnmatch.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <pwd.h>

const char system_divelist_default_font[] = "Sans";
const int system_divelist_default_font_size = 8;

void subsurface_user_info(struct user_info *user)
{
	struct passwd *pwd = getpwuid(getuid());
	const char *username = getenv("USER");

	if (pwd) {
		if (pwd->pw_gecos && *pwd->pw_gecos)
			user->name = pwd->pw_gecos;
		if (!username)
			username = pwd->pw_name;
	}
	if (username && *username) {
		char hostname[64];
		struct membuffer mb = { 0 };
		gethostname(hostname, sizeof(hostname));
		put_format(&mb, "%s@%s", username, hostname);
		user->email = mb_cstring(&mb);
	}
}

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;
}

/* NOP wrappers to comform with windows.c */
int subsurface_rename(const char *path, const char *newpath)
{
	return rename(path, newpath);
}

int subsurface_open(const char *path, int oflags, mode_t mode)
{
	return open(path, oflags, mode);
}

FILE *subsurface_fopen(const char *path, const char *mode)
{
	return fopen(path, mode);
}

void *subsurface_opendir(const char *path)
{
	return (void *)opendir(path);
}

struct zip *subsurface_zip_open_readonly(const char *path, int flags, int *errorp)
{
	return zip_open(path, flags, errorp);
}

int subsurface_zip_close(struct zip *zip)
{
	return zip_close(zip);
}

/* win32 console */
void subsurface_console_init(bool dedicated)
{
	/* NOP */
}

void subsurface_console_exit(void)
{
	/* NOP */
}