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Diffstat (limited to 'slstatus.c')
-rw-r--r--slstatus.c148
1 files changed, 47 insertions, 101 deletions
diff --git a/slstatus.c b/slstatus.c
index 5c83a84..dae5e8a 100644
--- a/slstatus.c
+++ b/slstatus.c
@@ -24,15 +24,8 @@
#undef strlcat
#undef strlcpy
-#include "arg.h"
#include "strlcat.h"
#include "strlcpy.h"
-#include "concat.h"
-
-char *argv0;
-char concat[];
-
-FILE *foutput;
struct arg {
char *(*func)();
@@ -114,7 +107,7 @@ battery_perc(const char *battery)
fp = fopen(batterynowfile, "r");
if (fp == NULL ) {
- fprintf(foutput, "Error opening battery file: %s: %s\n",
+ fprintf(stderr, "Error opening battery file: %s: %s\n",
batterynowfile,
strerror(errno));
return smprintf(UNKNOWN_STR);
@@ -125,7 +118,7 @@ battery_perc(const char *battery)
fp = fopen(batteryfullfile, "r");
if (fp == NULL) {
- fprintf(foutput, "Error opening battery file: %s\n",
+ fprintf(stderr, "Error opening battery file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -146,7 +139,7 @@ cpu_perc(void)
FILE *fp = fopen("/proc/stat","r");
if (fp == NULL) {
- fprintf(foutput, "Error opening stat file: %s\n",
+ fprintf(stderr, "Error opening stat file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -158,7 +151,7 @@ cpu_perc(void)
fp = fopen("/proc/stat","r");
if (fp == NULL) {
- fprintf(foutput, "Error opening stat file: %s\n",
+ fprintf(stderr, "Error opening stat file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -188,7 +181,7 @@ disk_free(const char *mountpoint)
struct statvfs fs;
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));
return smprintf(UNKNOWN_STR);
}
@@ -202,7 +195,7 @@ disk_perc(const char *mountpoint)
struct statvfs fs;
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));
return smprintf(UNKNOWN_STR);
}
@@ -217,7 +210,7 @@ disk_total(const char *mountpoint)
struct statvfs fs;
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));
return smprintf(UNKNOWN_STR);
}
@@ -231,7 +224,7 @@ disk_used(const char *mountpoint)
struct statvfs fs;
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));
return smprintf(UNKNOWN_STR);
}
@@ -246,7 +239,7 @@ entropy(void)
FILE *fp = fopen("/proc/sys/kernel/random/entropy_avail", "r");
if (fp == NULL) {
- fprintf(foutput, "Could not open entropy file: %s\n",
+ fprintf(stderr, "Could not open entropy file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -269,7 +262,7 @@ hostname(void)
FILE *fp = fopen("/proc/sys/kernel/hostname", "r");
if (fp == NULL) {
- fprintf(foutput, "Could not open hostname file: %s\n",
+ fprintf(stderr, "Could not open hostname file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -290,7 +283,7 @@ ip(const char *interface)
char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) {
- fprintf(foutput, "Error getting IP address: %s\n",
+ fprintf(stderr, "Error getting IP address: %s\n",
strerror(errno));
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 (s != 0) {
- fprintf(foutput, "Error getting IP address.\n");
+ fprintf(stderr, "Error getting IP address.\n");
return smprintf(UNKNOWN_STR);
}
return smprintf("%s", host);
@@ -324,7 +317,7 @@ load_avg(void)
double avgs[3];
if (getloadavg(avgs, 3) < 0) {
- fprintf(foutput, "Error getting load avg.\n");
+ fprintf(stderr, "Error getting load avg.\n");
return smprintf(UNKNOWN_STR);
}
@@ -338,7 +331,7 @@ ram_free(void)
FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- fprintf(foutput, "Error opening meminfo file: %s\n",
+ fprintf(stderr, "Error opening meminfo file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -356,7 +349,7 @@ ram_perc(void)
FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- fprintf(foutput, "Error opening meminfo file: %s\n",
+ fprintf(stderr, "Error opening meminfo file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -378,7 +371,7 @@ ram_total(void)
FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- fprintf(foutput, "Error opening meminfo file: %s\n",
+ fprintf(stderr, "Error opening meminfo file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -395,7 +388,7 @@ ram_used(void)
FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- fprintf(foutput, "Error opening meminfo file: %s\n",
+ fprintf(stderr, "Error opening meminfo file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -418,7 +411,7 @@ run_command(const char* command)
char buffer[64];
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));
return smprintf(UNKNOWN_STR);
}
@@ -443,7 +436,7 @@ temp(const char *file)
FILE *fp = fopen(file, "r");
if (fp == NULL) {
- fprintf(foutput, "Could not open temperature file: %s\n",
+ fprintf(stderr, "Could not open temperature file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -476,7 +469,7 @@ username(void)
if (pw == NULL)
return smprintf("%s", pw->pw_name);
- fprintf(foutput, "Could not get username: %s\n",
+ fprintf(stderr, "Could not get username: %s\n",
strerror(errno));
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(&mute_info);
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);
}
snd_mixer_selem_id_set_name(vol_info, ALSA_CHANNEL);
@@ -552,7 +545,7 @@ wifi_perc(const char *wificard)
fp = fopen(path, "r");
if(fp == NULL) {
- fprintf(foutput, "Error opening wifi operstate file: %s\n",
+ fprintf(stderr, "Error opening wifi operstate file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -564,7 +557,7 @@ wifi_perc(const char *wificard)
fp = fopen("/proc/net/wireless", "r");
if (fp == NULL) {
- fprintf(foutput, "Error opening wireless file: %s\n",
+ fprintf(stderr, "Error opening wireless file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
@@ -596,13 +589,13 @@ wifi_essid(const char *wificard)
wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
sprintf(wreq.ifr_name, wificard);
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));
return smprintf(UNKNOWN_STR);
}
wreq.u.essid.pointer = id;
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));
return smprintf(UNKNOWN_STR);
}
@@ -613,84 +606,37 @@ wifi_essid(const char *wificard)
return smprintf("%s", (char *)wreq.u.essid.pointer);
}
-void
-usage(void)
-{
- fprintf(stderr, "usage: %s [-d] [-l path]\n", argv0);
- exit(0);
-}
-
int
-main(int argc, char *argv[])
+main(void)
{
- unsigned short int dflag, lflag;
size_t i;
- char status_string[4096], logpath[4096];
+ char status_string[4096];
char *res, *element;
struct arg argument;
- foutput = stderr;
- dpy = XOpenDisplay(0x0);
-
- ARGBEGIN {
- case 'd':
- dflag = 1;
- break;
- case 'l':
- strlcpy(logpath, EARGF(usage()), sizeof(logpath)-1);
- logpath[strlen(logpath)+1] = '\0';
- foutput = fopen(logpath, "a");
- if (foutput == NULL) {
- fprintf(stderr, "failed to open log file at %s: %s\n",
- logpath, strerror(errno));
- 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);
+ stderr = stderr;
+ dpy = XOpenDisplay(NULL);
+
+ 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);
}
- if (dflag)
- daemon(0, 0);
-
- 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
- */
+ XStoreName(dpy, DefaultRootWindow(dpy), status_string);
+ XSync(dpy, False);
XCloseDisplay(dpy);
+
return 0;
}