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slstatus
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added a tool for resetting the status bar && worked around some issues && removed the makefile (we need a better one)

This commit is contained in:
Ali H. Fardan 2016-09-05 01:13:48 +03:00
parent 1654efe1d6
commit 9fa858daea
6 changed files with 80 additions and 175 deletions
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53
Makefile
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@ -1,53 +0,0 @@
# See LICENSE file for copyright and license details.
include config.mk
SRC = ${NAME}.c
OBJ = ${SRC:.c=.o}
all: options ${NAME}
options:
@echo ${NAME} build options:
@echo "CFLAGS = ${CFLAGS}"
@echo "LDFLAGS = ${LDFLAGS}"
@echo "CC = ${CC}"
.c.o:
@echo CC $<
@${CC} -c ${CFLAGS} $<
${OBJ}: config.h config.mk
config.h: config.def.h
@echo creating $@ from config.def.h
@cp config.def.h $@
${NAME}: ${OBJ}
@echo CC -o $@
@${CC} -o $@ ${OBJ} ${LDFLAGS}
clean:
@echo cleaning
@rm -f ${NAME} ${OBJ} ${NAME}-${VERSION}.tar.gz
dist: clean
@echo creating dist tarball
@mkdir -p ${NAME}-${VERSION}
@cp -R Makefile config.mk LICENSE \
${SRC} ${NAME}-${VERSION}
@tar -cf ${NAME}-${VERSION}.tar ${NAME}-${VERSION}
@gzip ${NAME}-${VERSION}.tar
@rm -rf ${NAME}-${VERSION}
install: all
@echo installing executable file to ${DESTDIR}${PREFIX}/bin
@mkdir -p ${DESTDIR}${PREFIX}/bin
@cp -f ${NAME} ${DESTDIR}${PREFIX}/bin
@chmod 755 ${DESTDIR}${PREFIX}/bin/${NAME}
uninstall:
@echo removing executable file from ${DESTDIR}${PREFIX}/bin
@rm -f ${DESTDIR}${PREFIX}/bin/${NAME}
.PHONY: all options clean dist install uninstall

22
config.mk
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@ -1,22 +0,0 @@
NAME = slstatus
VERSION = 1.0
# Customize below to fit your system
PREFIX = /usr/local
X11INC = /usr/X11R6/include
X11LIB = /usr/X11R6/lib
# includes and libs
INCS = -I. -I/usr/include -I${X11INC}
LIBS = -L/usr/lib -lc -L${X11LIB} -lX11 -lasound
# flags
CPPFLAGS = -DVERSION=\"${VERSION}\" -D_GNU_SOURCE
CFLAGS = -std=c99 -pedantic -Wno-unused-function -Wall -Wextra -O0 ${INCS} ${CPPFLAGS}
LDFLAGS = ${LIBS}
# compiler and linker
CC = cc

17
config.sh Normal file
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@ -0,0 +1,17 @@
NAME="slstatus"
VERSION="1.0"
PREFIX="/usr/local"
X11INC="/usr/X11R6/include"
X11LIB="/usr/X11R6/lib"
INCS="-I. -I/usr/include -I${X11INC}"
LIBS="-L/usr/lib -lc -L${X11LIB} -lX11 -lasound"
CPPFLAGS="-DVERSION=\"${VERSION}\" -D_GNU_SOURCE"
CFLAGS="-std=c99 -pedantic -Wno-unused-function -Wall -Wextra -O0 ${INCS} ${CPPFLAGS}"
LDFLAGS="${LIBS}"
CC = cc

7
loop.sh Executable file
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@ -0,0 +1,7 @@
#!/bin/sh
while true
do
slstatus
status_reset
done

146
slstatus.c
View File

@ -24,15 +24,8 @@
#undef strlcat #undef strlcat
#undef strlcpy #undef strlcpy
#include "arg.h"
#include "strlcat.h" #include "strlcat.h"
#include "strlcpy.h" #include "strlcpy.h"
#include "concat.h"
char *argv0;
char concat[];
FILE *foutput;
struct arg { struct arg {
char *(*func)(); char *(*func)();
@ -114,7 +107,7 @@ battery_perc(const char *battery)
fp = fopen(batterynowfile, "r"); fp = fopen(batterynowfile, "r");
if (fp == NULL ) { if (fp == NULL ) {
fprintf(foutput, "Error opening battery file: %s: %s\n", fprintf(stderr, "Error opening battery file: %s: %s\n",
batterynowfile, batterynowfile,
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
@ -125,7 +118,7 @@ battery_perc(const char *battery)
fp = fopen(batteryfullfile, "r"); fp = fopen(batteryfullfile, "r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Error opening battery file: %s\n", fprintf(stderr, "Error opening battery file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -146,7 +139,7 @@ cpu_perc(void)
FILE *fp = fopen("/proc/stat","r"); FILE *fp = fopen("/proc/stat","r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Error opening stat file: %s\n", fprintf(stderr, "Error opening stat file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -158,7 +151,7 @@ cpu_perc(void)
fp = fopen("/proc/stat","r"); fp = fopen("/proc/stat","r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Error opening stat file: %s\n", fprintf(stderr, "Error opening stat file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -188,7 +181,7 @@ disk_free(const char *mountpoint)
struct statvfs fs; struct statvfs fs;
if (statvfs(mountpoint, &fs) < 0) { if (statvfs(mountpoint, &fs) < 0) {
fprintf(foutput, "Could not get filesystem info: %s\n", fprintf(stderr, "Could not get filesystem info: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -202,7 +195,7 @@ disk_perc(const char *mountpoint)
struct statvfs fs; struct statvfs fs;
if (statvfs(mountpoint, &fs) < 0) { if (statvfs(mountpoint, &fs) < 0) {
fprintf(foutput, "Could not get filesystem info: %s\n", fprintf(stderr, "Could not get filesystem info: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -217,7 +210,7 @@ disk_total(const char *mountpoint)
struct statvfs fs; struct statvfs fs;
if (statvfs(mountpoint, &fs) < 0) { if (statvfs(mountpoint, &fs) < 0) {
fprintf(foutput, "Could not get filesystem info: %s\n", fprintf(stderr, "Could not get filesystem info: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -231,7 +224,7 @@ disk_used(const char *mountpoint)
struct statvfs fs; struct statvfs fs;
if (statvfs(mountpoint, &fs) < 0) { if (statvfs(mountpoint, &fs) < 0) {
fprintf(foutput, "Could not get filesystem info: %s\n", fprintf(stderr, "Could not get filesystem info: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -246,7 +239,7 @@ entropy(void)
FILE *fp = fopen("/proc/sys/kernel/random/entropy_avail", "r"); FILE *fp = fopen("/proc/sys/kernel/random/entropy_avail", "r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Could not open entropy file: %s\n", fprintf(stderr, "Could not open entropy file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -269,7 +262,7 @@ hostname(void)
FILE *fp = fopen("/proc/sys/kernel/hostname", "r"); FILE *fp = fopen("/proc/sys/kernel/hostname", "r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Could not open hostname file: %s\n", fprintf(stderr, "Could not open hostname file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -290,7 +283,7 @@ ip(const char *interface)
char host[NI_MAXHOST]; char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) { if (getifaddrs(&ifaddr) == -1) {
fprintf(foutput, "Error getting IP address: %s\n", fprintf(stderr, "Error getting IP address: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -305,7 +298,7 @@ ip(const char *interface)
if ((strcmp(ifa->ifa_name, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) { if ((strcmp(ifa->ifa_name, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) { if (s != 0) {
fprintf(foutput, "Error getting IP address.\n"); fprintf(stderr, "Error getting IP address.\n");
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
return smprintf("%s", host); return smprintf("%s", host);
@ -324,7 +317,7 @@ load_avg(void)
double avgs[3]; double avgs[3];
if (getloadavg(avgs, 3) < 0) { if (getloadavg(avgs, 3) < 0) {
fprintf(foutput, "Error getting load avg.\n"); fprintf(stderr, "Error getting load avg.\n");
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -338,7 +331,7 @@ ram_free(void)
FILE *fp = fopen("/proc/meminfo", "r"); FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Error opening meminfo file: %s\n", fprintf(stderr, "Error opening meminfo file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -356,7 +349,7 @@ ram_perc(void)
FILE *fp = fopen("/proc/meminfo", "r"); FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Error opening meminfo file: %s\n", fprintf(stderr, "Error opening meminfo file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -378,7 +371,7 @@ ram_total(void)
FILE *fp = fopen("/proc/meminfo", "r"); FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Error opening meminfo file: %s\n", fprintf(stderr, "Error opening meminfo file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -395,7 +388,7 @@ ram_used(void)
FILE *fp = fopen("/proc/meminfo", "r"); FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Error opening meminfo file: %s\n", fprintf(stderr, "Error opening meminfo file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -418,7 +411,7 @@ run_command(const char* command)
char buffer[64]; char buffer[64];
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Could not get command output for: %s: %s\n", fprintf(stderr, "Could not get command output for: %s: %s\n",
command, strerror(errno)); command, strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -443,7 +436,7 @@ temp(const char *file)
FILE *fp = fopen(file, "r"); FILE *fp = fopen(file, "r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Could not open temperature file: %s\n", fprintf(stderr, "Could not open temperature file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -476,7 +469,7 @@ username(void)
if (pw == NULL) if (pw == NULL)
return smprintf("%s", pw->pw_name); return smprintf("%s", pw->pw_name);
fprintf(foutput, "Could not get username: %s\n", fprintf(stderr, "Could not get username: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -509,7 +502,7 @@ vol_perc(const char *soundcard)
snd_mixer_selem_id_malloc(&vol_info); snd_mixer_selem_id_malloc(&vol_info);
snd_mixer_selem_id_malloc(&mute_info); snd_mixer_selem_id_malloc(&mute_info);
if (vol_info == NULL || mute_info == NULL) { if (vol_info == NULL || mute_info == NULL) {
fprintf(foutput, "Could not get alsa volume.\n"); fprintf(stderr, "Could not get alsa volume.\n");
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
snd_mixer_selem_id_set_name(vol_info, ALSA_CHANNEL); snd_mixer_selem_id_set_name(vol_info, ALSA_CHANNEL);
@ -552,7 +545,7 @@ wifi_perc(const char *wificard)
fp = fopen(path, "r"); fp = fopen(path, "r");
if(fp == NULL) { if(fp == NULL) {
fprintf(foutput, "Error opening wifi operstate file: %s\n", fprintf(stderr, "Error opening wifi operstate file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -564,7 +557,7 @@ wifi_perc(const char *wificard)
fp = fopen("/proc/net/wireless", "r"); fp = fopen("/proc/net/wireless", "r");
if (fp == NULL) { if (fp == NULL) {
fprintf(foutput, "Error opening wireless file: %s\n", fprintf(stderr, "Error opening wireless file: %s\n",
strerror(errno)); strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -596,13 +589,13 @@ wifi_essid(const char *wificard)
wreq.u.essid.length = IW_ESSID_MAX_SIZE+1; wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
sprintf(wreq.ifr_name, wificard); sprintf(wreq.ifr_name, wificard);
if(sockfd == -1) { if(sockfd == -1) {
fprintf(foutput, "Cannot open socket for interface: %s: %s\n", fprintf(stderr, "Cannot open socket for interface: %s: %s\n",
wificard, strerror(errno)); wificard, strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
wreq.u.essid.pointer = id; wreq.u.essid.pointer = id;
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) { if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
fprintf(foutput, "Get ESSID ioctl failed for interface %s: %s\n", fprintf(stderr, "Get ESSID ioctl failed for interface %s: %s\n",
wificard, strerror(errno)); wificard, strerror(errno));
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
} }
@ -613,84 +606,37 @@ wifi_essid(const char *wificard)
return smprintf("%s", (char *)wreq.u.essid.pointer); return smprintf("%s", (char *)wreq.u.essid.pointer);
} }
void
usage(void)
{
fprintf(stderr, "usage: %s [-d] [-l path]\n", argv0);
exit(0);
}
int int
main(int argc, char *argv[]) main(void)
{ {
unsigned short int dflag, lflag;
size_t i; size_t i;
char status_string[4096], logpath[4096]; char status_string[4096];
char *res, *element; char *res, *element;
struct arg argument; struct arg argument;
foutput = stderr; stderr = stderr;
dpy = XOpenDisplay(0x0); dpy = XOpenDisplay(NULL);
ARGBEGIN { memset(status_string, 0, sizeof(status_string));
case 'd': for (i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
dflag = 1; argument = args[i];
break; if (argument.args == NULL)
case 'l': res = argument.func();
strlcpy(logpath, EARGF(usage()), sizeof(logpath)-1); else
logpath[strlen(logpath)+1] = '\0'; res = argument.func(argument.args);
foutput = fopen(logpath, "a"); element = smprintf(argument.format, res);
if (foutput == NULL) { if (element == NULL) {
fprintf(stderr, "failed to open log file at %s: %s\n", element = smprintf(UNKNOWN_STR);
logpath, strerror(errno)); fprintf(stderr, "Failed to format output.\n");
return (1);
}
lflag = 1;
break;
default:
usage();
} ARGEND
if (dflag && !lflag) {
ccat(2, getenv("HOME"), "/.slstatus_log");
foutput = fopen(concat, "a");
if (foutput == NULL) {
fprintf(stderr, "failed to open log file at %s: %s\n",
logpath, strerror(errno));
return (1);
} }
strlcat(status_string, element, sizeof(status_string));
free(res);
free(element);
} }
if (dflag) XStoreName(dpy, DefaultRootWindow(dpy), status_string);
daemon(0, 0); XSync(dpy, False);
for (;;) {
memset(status_string, 0, sizeof(status_string));
for (i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
argument = args[i];
if (argument.args == NULL)
res = argument.func();
else
res = argument.func(argument.args);
element = smprintf(argument.format, res);
if (element == NULL) {
element = smprintf(UNKNOWN_STR);
fprintf(stderr, "Failed to format output.\n");
}
strlcat(status_string, element, sizeof(status_string));
free(res);
free(element);
}
XStoreName(dpy, DefaultRootWindow(dpy), status_string);
XSync(dpy, False);
}
/* NOT REACHED */
/*
* TODO: find out a way to exit successfully
* to prevent memory leaks
*/
XCloseDisplay(dpy); XCloseDisplay(dpy);
return 0; return 0;
} }

10
status_reset.c Normal file
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@ -0,0 +1,10 @@
#include <X11/Xlib.h>
int
main(void)
{
Display *dpy = XOpenDisplay(NULL);
XStoreName(dpy, DefaultRootWindow(dpy), NULL);
XCloseDisplay(dpy);
return (0);
}