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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/*
* Copy me if you can.
* by 20h
*/
#define _BSD_SOURCE
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <strings.h>
#include <sys/time.h>
#include <time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <X11/Xlib.h>
char *tzargentina = "America/Buenos_Aires";
char *tzutc = "UTC";
char *tzberlin = "Europe/Berlin";
static Display *dpy;
char *
smprintf(char *fmt, ...)
{
va_list fmtargs;
char *ret;
int len;
va_start(fmtargs, fmt);
len = vsnprintf(NULL, 0, fmt, fmtargs);
va_end(fmtargs);
ret = malloc(++len);
if (ret == NULL) {
perror("malloc");
exit(1);
}
va_start(fmtargs, fmt);
vsnprintf(ret, len, fmt, fmtargs);
va_end(fmtargs);
return ret;
}
void
settz(char *tzname)
{
setenv("TZ", tzname, 1);
}
char *
mktimes(char *fmt, char *tzname)
{
char buf[129];
time_t tim;
struct tm *timtm;
settz(tzname);
tim = time(NULL);
timtm = localtime(&tim);
if (timtm == NULL)
return smprintf("");
if (!strftime(buf, sizeof(buf)-1, fmt, timtm)) {
fprintf(stderr, "strftime == 0\n");
return smprintf("");
}
return smprintf("%s", buf);
}
void
setstatus(char *str)
{
XStoreName(dpy, DefaultRootWindow(dpy), str);
XSync(dpy, False);
}
char *
loadavg(void)
{
double avgs[3];
if (getloadavg(avgs, 3) < 0)
return smprintf("");
return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
}
char *
readfile(char *base, char *file)
{
char *path, line[513];
FILE *fd;
memset(line, 0, sizeof(line));
path = smprintf("%s/%s", base, file);
fd = fopen(path, "r");
free(path);
if (fd == NULL)
return NULL;
if (fgets(line, sizeof(line)-1, fd) == NULL)
return NULL;
fclose(fd);
return smprintf("%s", line);
}
char *
getbattery(char *base)
{
char *co, status;
int descap, remcap;
descap = -1;
remcap = -1;
co = readfile(base, "present");
if (co == NULL)
return smprintf("");
if (co[0] != '1') {
free(co);
return smprintf("not present");
}
free(co);
co = readfile(base, "charge_full_design");
if (co == NULL) {
co = readfile(base, "energy_full_design");
if (co == NULL)
return smprintf("");
}
sscanf(co, "%d", &descap);
free(co);
co = readfile(base, "charge_now");
if (co == NULL) {
co = readfile(base, "energy_now");
if (co == NULL)
return smprintf("");
}
sscanf(co, "%d", &remcap);
free(co);
co = readfile(base, "status");
if (!strncmp(co, "Discharging", 11)) {
status = '-';
} else if(!strncmp(co, "Charging", 8)) {
status = '+';
} else {
status = '?';
}
if (remcap < 0 || descap < 0)
return smprintf("invalid");
return smprintf("%.0f%%%c", ((float)remcap / (float)descap) * 100, status);
}
char *
gettemperature(char *base, char *sensor)
{
char *co;
co = readfile(base, sensor);
if (co == NULL)
return smprintf("");
return smprintf("%02.0f°C", atof(co) / 1000);
}
int
main(void)
{
char *status;
char *avgs;
char *bat;
char *bat1;
char *tmar;
char *tmutc;
char *tmbln;
char *t0, *t1, *t2;
if (!(dpy = XOpenDisplay(NULL))) {
fprintf(stderr, "dwmstatus: cannot open display.\n");
return 1;
}
for (;;sleep(60)) {
avgs = loadavg();
bat = getbattery("/sys/class/power_supply/BAT0");
bat1 = getbattery("/sys/class/power_supply/BAT1");
tmar = mktimes("%H:%M", tzargentina);
tmutc = mktimes("%H:%M", tzutc);
tmbln = mktimes("KW %W %a %d %b %H:%M %Z %Y", tzberlin);
t0 = gettemperature("/sys/devices/virtual/hwmon/hwmon0", "temp1_input");
t1 = gettemperature("/sys/devices/virtual/hwmon/hwmon2", "temp1_input");
t2 = gettemperature("/sys/devices/virtual/hwmon/hwmon4", "temp1_input");
status = smprintf("T:%s|%s|%s L:%s B:%s|%s A:%s U:%s %s",
t0, t1, t2, avgs, bat, bat1, tmar, tmutc,
tmbln);
setstatus(status);
free(t0);
free(t1);
free(t2);
free(avgs);
free(bat);
free(bat1);
free(tmar);
free(tmutc);
free(tmbln);
free(status);
}
XCloseDisplay(dpy);
return 0;
}
|
