added daemonization support
This commit is contained in:
parent
de4f20ace3
commit
d3d8b8ee03
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@ -0,0 +1,51 @@
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/*
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* Copy me if you can.
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* by 20h
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*/
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#ifndef ARG_H__
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#define ARG_H__
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extern char *argv0;
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/* use main(int argc, char *argv[]) */
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#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
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argv[0] && argv[0][1]\
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&& argv[0][0] == '-';\
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argc--, argv++) {\
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char argc_;\
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char **argv_;\
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int brk_;\
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if (argv[0][1] == '-' && argv[0][2] == '\0') {\
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argv++;\
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argc--;\
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break;\
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}\
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for (brk_ = 0, argv[0]++, argv_ = argv;\
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argv[0][0] && !brk_;\
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argv[0]++) {\
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if (argv_ != argv)\
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break;\
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argc_ = argv[0][0];\
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switch (argc_)
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#define ARGEND }\
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}
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#define ARGC() argc_
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#define ARGNUMF(base) (brk_ = 1, estrtol(argv[0], (base)))
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#define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\
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((x), abort(), (char *)0) :\
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(brk_ = 1, (argv[0][1] != '\0')?\
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(&argv[0][1]) :\
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(argc--, argv++, argv[0])))
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#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\
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(char *)0 :\
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(brk_ = 1, (argv[0][1] != '\0')?\
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(&argv[0][1]) :\
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(argc--, argv++, argv[0])))
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#endif
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@ -0,0 +1,19 @@
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/*
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* Thanks to lloyd for contribution
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*/
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extern char concat[4096];
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extern void
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ccat(const unsigned short int count, ...)
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{
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va_list ap;
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unsigned short int i;
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concat[0] = '\0';
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va_start(ap, count);
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for(i = 0; i < count; i++)
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strlcat(concat, va_arg(ap, char *), sizeof(concat));
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va_end(ap);
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return;
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}
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104
slstatus.c
104
slstatus.c
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@ -24,8 +24,15 @@
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#undef strlcat
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#undef strlcat
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#undef strlcpy
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#undef strlcpy
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#include "arg.h"
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#include "strlcat.h"
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#include "strlcat.h"
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#include "strlcpy.h"
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#include "strlcpy.h"
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#include "concat.h"
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char *argv0;
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char concat[];
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FILE *foutput;
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struct arg {
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struct arg {
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char *(*func)();
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char *(*func)();
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@ -107,7 +114,7 @@ battery_perc(const char *battery)
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fp = fopen(batterynowfile, "r");
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fp = fopen(batterynowfile, "r");
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if (fp == NULL ) {
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if (fp == NULL ) {
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fprintf(stderr, "Error opening battery file: %s: %s\n",
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fprintf(foutput, "Error opening battery file: %s: %s\n",
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batterynowfile,
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batterynowfile,
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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@ -118,7 +125,7 @@ battery_perc(const char *battery)
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fp = fopen(batteryfullfile, "r");
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fp = fopen(batteryfullfile, "r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Error opening battery file: %s\n",
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fprintf(foutput, "Error opening battery file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -139,7 +146,7 @@ cpu_perc(void)
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FILE *fp = fopen("/proc/stat","r");
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FILE *fp = fopen("/proc/stat","r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Error opening stat file: %s\n",
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fprintf(foutput, "Error opening stat file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -151,7 +158,7 @@ cpu_perc(void)
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fp = fopen("/proc/stat","r");
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fp = fopen("/proc/stat","r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Error opening stat file: %s\n",
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fprintf(foutput, "Error opening stat file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -181,7 +188,7 @@ disk_free(const char *mountpoint)
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struct statvfs fs;
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struct statvfs fs;
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if (statvfs(mountpoint, &fs) < 0) {
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if (statvfs(mountpoint, &fs) < 0) {
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fprintf(stderr, "Could not get filesystem info: %s\n",
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fprintf(foutput, "Could not get filesystem info: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -195,7 +202,7 @@ disk_perc(const char *mountpoint)
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struct statvfs fs;
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struct statvfs fs;
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if (statvfs(mountpoint, &fs) < 0) {
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if (statvfs(mountpoint, &fs) < 0) {
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fprintf(stderr, "Could not get filesystem info: %s\n",
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fprintf(foutput, "Could not get filesystem info: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -210,7 +217,7 @@ disk_total(const char *mountpoint)
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struct statvfs fs;
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struct statvfs fs;
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if (statvfs(mountpoint, &fs) < 0) {
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if (statvfs(mountpoint, &fs) < 0) {
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fprintf(stderr, "Could not get filesystem info: %s\n",
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fprintf(foutput, "Could not get filesystem info: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -224,7 +231,7 @@ disk_used(const char *mountpoint)
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struct statvfs fs;
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struct statvfs fs;
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if (statvfs(mountpoint, &fs) < 0) {
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if (statvfs(mountpoint, &fs) < 0) {
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fprintf(stderr, "Could not get filesystem info: %s\n",
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fprintf(foutput, "Could not get filesystem info: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -239,7 +246,7 @@ entropy(void)
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FILE *fp = fopen("/proc/sys/kernel/random/entropy_avail", "r");
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FILE *fp = fopen("/proc/sys/kernel/random/entropy_avail", "r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Could not open entropy file: %s\n",
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fprintf(foutput, "Could not open entropy file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -262,7 +269,7 @@ hostname(void)
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FILE *fp = fopen("/proc/sys/kernel/hostname", "r");
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FILE *fp = fopen("/proc/sys/kernel/hostname", "r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Could not open hostname file: %s\n",
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fprintf(foutput, "Could not open hostname file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -283,7 +290,7 @@ ip(const char *interface)
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char host[NI_MAXHOST];
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char host[NI_MAXHOST];
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if (getifaddrs(&ifaddr) == -1) {
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if (getifaddrs(&ifaddr) == -1) {
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fprintf(stderr, "Error getting IP address: %s\n",
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fprintf(foutput, "Error getting IP address: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -298,7 +305,7 @@ ip(const char *interface)
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if ((strcmp(ifa->ifa_name, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
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if ((strcmp(ifa->ifa_name, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
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if (s != 0) {
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if (s != 0) {
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fprintf(stderr, "Error getting IP address.\n");
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fprintf(foutput, "Error getting IP address.\n");
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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return smprintf("%s", host);
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return smprintf("%s", host);
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@ -317,7 +324,7 @@ load_avg(void)
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double avgs[3];
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double avgs[3];
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if (getloadavg(avgs, 3) < 0) {
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if (getloadavg(avgs, 3) < 0) {
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fprintf(stderr, "Error getting load avg.\n");
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fprintf(foutput, "Error getting load avg.\n");
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -331,7 +338,7 @@ ram_free(void)
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FILE *fp = fopen("/proc/meminfo", "r");
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FILE *fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Error opening meminfo file: %s\n",
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fprintf(foutput, "Error opening meminfo file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -349,7 +356,7 @@ ram_perc(void)
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FILE *fp = fopen("/proc/meminfo", "r");
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FILE *fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Error opening meminfo file: %s\n",
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fprintf(foutput, "Error opening meminfo file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -371,7 +378,7 @@ ram_total(void)
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FILE *fp = fopen("/proc/meminfo", "r");
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FILE *fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Error opening meminfo file: %s\n",
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fprintf(foutput, "Error opening meminfo file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -388,7 +395,7 @@ ram_used(void)
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FILE *fp = fopen("/proc/meminfo", "r");
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FILE *fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Error opening meminfo file: %s\n",
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fprintf(foutput, "Error opening meminfo file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -411,7 +418,7 @@ run_command(const char* command)
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char buffer[64];
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char buffer[64];
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Could not get command output for: %s: %s\n",
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fprintf(foutput, "Could not get command output for: %s: %s\n",
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command, strerror(errno));
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command, strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -436,7 +443,7 @@ temp(const char *file)
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FILE *fp = fopen(file, "r");
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FILE *fp = fopen(file, "r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Could not open temperature file: %s\n",
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fprintf(foutput, "Could not open temperature file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -469,7 +476,7 @@ username(void)
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if (pw == NULL)
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if (pw == NULL)
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return smprintf("%s", pw->pw_name);
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return smprintf("%s", pw->pw_name);
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fprintf(stderr, "Could not get username: %s\n",
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fprintf(foutput, "Could not get username: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -502,7 +509,7 @@ vol_perc(const char *soundcard)
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snd_mixer_selem_id_malloc(&vol_info);
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snd_mixer_selem_id_malloc(&vol_info);
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snd_mixer_selem_id_malloc(&mute_info);
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snd_mixer_selem_id_malloc(&mute_info);
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if (vol_info == NULL || mute_info == NULL) {
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if (vol_info == NULL || mute_info == NULL) {
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fprintf(stderr, "Could not get alsa volume.\n");
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fprintf(foutput, "Could not get alsa volume.\n");
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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snd_mixer_selem_id_set_name(vol_info, ALSA_CHANNEL);
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snd_mixer_selem_id_set_name(vol_info, ALSA_CHANNEL);
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@ -545,7 +552,7 @@ wifi_perc(const char *wificard)
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fp = fopen(path, "r");
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fp = fopen(path, "r");
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if(fp == NULL) {
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if(fp == NULL) {
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fprintf(stderr, "Error opening wifi operstate file: %s\n",
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fprintf(foutput, "Error opening wifi operstate file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -557,7 +564,7 @@ wifi_perc(const char *wificard)
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fp = fopen("/proc/net/wireless", "r");
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fp = fopen("/proc/net/wireless", "r");
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if (fp == NULL) {
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if (fp == NULL) {
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fprintf(stderr, "Error opening wireless file: %s\n",
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fprintf(foutput, "Error opening wireless file: %s\n",
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strerror(errno));
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strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -589,13 +596,13 @@ wifi_essid(const char *wificard)
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wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
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wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
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sprintf(wreq.ifr_name, wificard);
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sprintf(wreq.ifr_name, wificard);
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if(sockfd == -1) {
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if(sockfd == -1) {
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fprintf(stderr, "Cannot open socket for interface: %s: %s\n",
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fprintf(foutput, "Cannot open socket for interface: %s: %s\n",
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wificard, strerror(errno));
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wificard, strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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wreq.u.essid.pointer = id;
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wreq.u.essid.pointer = id;
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if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
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if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
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fprintf(stderr, "Get ESSID ioctl failed for interface %s: %s\n",
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fprintf(foutput, "Get ESSID ioctl failed for interface %s: %s\n",
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wificard, strerror(errno));
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wificard, strerror(errno));
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return smprintf(UNKNOWN_STR);
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return smprintf(UNKNOWN_STR);
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}
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}
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@ -606,16 +613,57 @@ wifi_essid(const char *wificard)
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return smprintf("%s", (char *)wreq.u.essid.pointer);
|
return smprintf("%s", (char *)wreq.u.essid.pointer);
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}
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}
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int
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void
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main(void)
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usage(void)
|
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{
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{
|
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|
fprintf(stderr, "usage: %s [-d] [-l path]\n", argv0);
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
main(int argc, char *argv[])
|
||||||
|
{
|
||||||
|
unsigned short int dflag, lflag;
|
||||||
size_t i;
|
size_t i;
|
||||||
char status_string[4096];
|
char status_string[4096], logpath[4096];
|
||||||
char *res, *element;
|
char *res, *element;
|
||||||
struct arg argument;
|
struct arg argument;
|
||||||
|
|
||||||
|
foutput = stderr;
|
||||||
dpy = XOpenDisplay(0x0);
|
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);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (dflag)
|
||||||
|
daemon(0, 0);
|
||||||
|
|
||||||
for (;;) {
|
for (;;) {
|
||||||
memset(status_string, 0, sizeof(status_string));
|
memset(status_string, 0, sizeof(status_string));
|
||||||
for (i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
|
for (i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
|
||||||
|
|
Loading…
Reference in New Issue