Merge branch 'master' into master

This commit is contained in:
parazyd 2016-12-30 14:21:19 +01:00 committed by GitHub
commit 13604963bc
8 changed files with 156 additions and 185 deletions

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@ -6,6 +6,6 @@ Thanks you very much for your great help!
- [Vlaix](https://github.com/Vlaix) - [Vlaix](https://github.com/Vlaix)
- [pfannkuckengesicht](https://github.com/pfannkuchengesicht) - [pfannkuckengesicht](https://github.com/pfannkuchengesicht)
- [sahne](https://github.com/sahne) - [sahne](https://github.com/sahne)
- [Ali H. Fardan](http://raiz.duckdns.org) - [Ali H. Fardan](http://hexeract.info)
- [Quentin Rameau](https://fifth.space) - [Quentin Rameau](https://fifth.space)
- [Mike Coddington](https://coddington.us) - [Mike Coddington](https://coddington.us)

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@ -31,16 +31,16 @@ ${NAME}: ${OBJ}
clean: clean:
@echo cleaning @echo cleaning
@rm -f ${NAME} ${OBJ} ${NAME}-${VERSION}.tar.gz @rm -f ${NAME} ${OBJ} ${NAME}.tar.gz
dist: clean dist: clean
@echo creating dist tarball @echo creating dist tarball
@mkdir -p ${NAME}-${VERSION} @mkdir -p ${NAME}
@cp -R Makefile config.mk LICENSE \ @cp -R Makefile config.mk LICENSE \
${SRC} ${NAME}-${VERSION} ${SRC} ${NAME}
@tar -cf ${NAME}-${VERSION}.tar ${NAME}-${VERSION} @tar -cf ${NAME}.tar ${NAME}
@gzip ${NAME}-${VERSION}.tar @gzip ${NAME}.tar
@rm -rf ${NAME}-${VERSION} @rm -rf ${NAME}
install: all install: all
@echo installing executable file to ${DESTDIR}${PREFIX}/bin @echo installing executable file to ${DESTDIR}${PREFIX}/bin
@ -49,7 +49,7 @@ install: all
@chmod 755 ${DESTDIR}${PREFIX}/bin/${NAME} @chmod 755 ${DESTDIR}${PREFIX}/bin/${NAME}
@echo installing manual page to ${DESTDIR}${MANPREFIX}/man1 @echo installing manual page to ${DESTDIR}${MANPREFIX}/man1
@mkdir -p ${DESTDIR}${MANPREFIX}/man1 @mkdir -p ${DESTDIR}${MANPREFIX}/man1
@sed "s/VERSION/${VERSION}/g" < ${NAME}.1 > ${DESTDIR}${MANPREFIX}/man1/${NAME}.1 @cp -f ${NAME}.1 ${DESTDIR}${MANPREFIX}/man1
@chmod 644 ${DESTDIR}${MANPREFIX}/man1/${NAME}.1 @chmod 644 ${DESTDIR}${MANPREFIX}/man1/${NAME}.1
uninstall: uninstall:

6
TODO.md Normal file
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@ -0,0 +1,6 @@
* [ ] fix build on OpenBSD
* [ ] fix build on NetBSD
* [ ] fix build on FreeBSD
* [X] test wifi functions after the last few commits
* [ ] allow calling routines from command line arguments like: slstatus --datetime "%F %T"
* [X] see if drkhsh approves it

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@ -1,7 +1,5 @@
# See LICENSE file for copyright and license details. # See LICENSE file for copyright and license details.
VERSION = 3.0
PREFIX = /usr/local PREFIX = /usr/local
MANPREFIX = ${PREFIX}/share/man MANPREFIX = ${PREFIX}/share/man

3
extern/concat.h vendored
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@ -11,6 +11,9 @@ ccat(const unsigned short int count, ...)
unsigned short int i; unsigned short int i;
concat[0] = '\0'; concat[0] = '\0';
if (count == 0)
return;
va_start(ap, count); va_start(ap, count);
for(i = 0; i < count; i++) for(i = 0; i < count; i++)
strlcat(concat, va_arg(ap, char *), sizeof(concat)); strlcat(concat, va_arg(ap, char *), sizeof(concat));

50
extern/strlcpy.h vendored
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@ -1,50 +0,0 @@
/* $OpenBSD: strlcpy.c,v 1.13 2015/08/31 02:53:57 guenther Exp $ */
/*
* Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <string.h>
/*
* Copy string src to buffer dst of size dsize. At most dsize-1
* chars will be copied. Always NUL terminates (unless dsize == 0).
* Returns strlen(src); if retval >= dsize, truncation occurred.
*/
size_t
strlcpy(char *dst, const char *src, size_t dsize)
{
const char *osrc = src;
size_t nleft = dsize;
/* Copy as many bytes as will fit. */
if (nleft != 0) {
while (--nleft != 0) {
if ((*dst++ = *src++) == '\0')
break;
}
}
/* Not enough room in dst, add NUL and traverse rest of src. */
if (nleft == 0) {
if (dsize != 0)
*dst = '\0'; /* NUL-terminate dst */
while (*src++)
;
}
return(src - osrc - 1); /* count does not include NUL */
}

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@ -1,4 +1,4 @@
.TH SLSTATUS 1 slstatus\-VERSION .TH SLSTATUS 1 slstatus
.SH NAME .SH NAME
slstatus \- suckless status slstatus \- suckless status
.SH SYNOPSIS .SH SYNOPSIS

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@ -26,11 +26,9 @@
#include <X11/Xlib.h> #include <X11/Xlib.h>
#undef strlcat #undef strlcat
#undef strlcpy
#include "extern/arg.h" #include "extern/arg.h"
#include "extern/strlcat.h" #include "extern/strlcat.h"
#include "extern/strlcpy.h"
#include "extern/concat.h" #include "extern/concat.h"
struct arg { struct arg {
@ -52,6 +50,7 @@ static char *entropy(void);
static char *gid(void); static char *gid(void);
static char *hostname(void); static char *hostname(void);
static char *ip(const char *iface); static char *ip(const char *iface);
static char *kernel_release(void);
static char *load_avg(void); static char *load_avg(void);
static char *ram_free(void); static char *ram_free(void);
static char *ram_perc(void); static char *ram_perc(void);
@ -69,14 +68,12 @@ static char *username(void);
static char *vol_perc(const char *card); static char *vol_perc(const char *card);
static char *wifi_perc(const char *iface); static char *wifi_perc(const char *iface);
static char *wifi_essid(const char *iface); static char *wifi_essid(const char *iface);
static char *kernel_release(void);
static void set_status(const char *str);
static void sighandler(const int signo); static void sighandler(const int signo);
static void usage(void); static void usage(int);
char *argv0; char *argv0;
char concat[]; char concat[];
static unsigned short int delay; static unsigned short int delay = 0;
static unsigned short int done; static unsigned short int done;
static unsigned short int dflag, oflag; static unsigned short int dflag, oflag;
static Display *dpy; static Display *dpy;
@ -116,7 +113,7 @@ battery_perc(const char *bat)
fp = fopen(concat, "r"); fp = fopen(concat, "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file %s", concat); warn("Failed to open file %s", concat);
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fscanf(fp, "%i", &perc); fscanf(fp, "%i", &perc);
fclose(fp); fclose(fp);
@ -134,7 +131,7 @@ battery_state(const char *bat)
fp = fopen(concat, "r"); fp = fopen(concat, "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file %s", concat); warn("Failed to open file %s", concat);
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fscanf(fp, "%12s", state); fscanf(fp, "%12s", state);
fclose(fp); fclose(fp);
@ -160,18 +157,18 @@ cpu_perc(void)
fp = fopen("/proc/stat", "r"); fp = fopen("/proc/stat", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/stat"); warn("Failed to open file /proc/stat");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]); fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
fclose(fp); fclose(fp);
delay = (UPDATE_INTERVAL - (UPDATE_INTERVAL - 1)); delay++;
sleep(delay); sleep(delay);
fp = fopen("/proc/stat", "r"); fp = fopen("/proc/stat", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/stat"); warn("Failed to open file /proc/stat");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]); fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]);
fclose(fp); fclose(fp);
@ -188,7 +185,7 @@ datetime(const char *fmt)
t = time(NULL); t = time(NULL);
if (strftime(str, sizeof(str), fmt, localtime(&t)) == 0) { if (strftime(str, sizeof(str), fmt, localtime(&t)) == 0) {
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
return smprintf("%s", str); return smprintf("%s", str);
@ -201,7 +198,7 @@ disk_free(const char *mnt)
if (statvfs(mnt, &fs) < 0) { if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info"); warn("Failed to get filesystem info");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
return smprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024); return smprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
@ -215,7 +212,7 @@ disk_perc(const char *mnt)
if (statvfs(mnt, &fs) < 0) { if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info"); warn("Failed to get filesystem info");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks)); perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
@ -230,7 +227,7 @@ disk_total(const char *mnt)
if (statvfs(mnt, &fs) < 0) { if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info"); warn("Failed to get filesystem info");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
return smprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024); return smprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
@ -243,7 +240,7 @@ disk_used(const char *mnt)
if (statvfs(mnt, &fs) < 0) { if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info"); warn("Failed to get filesystem info");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
return smprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024); return smprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
@ -258,7 +255,7 @@ entropy(void)
fp= fopen("/proc/sys/kernel/random/entropy_avail", "r"); fp= fopen("/proc/sys/kernel/random/entropy_avail", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/sys/kernel/random/entropy_avail"); warn("Failed to open file /proc/sys/kernel/random/entropy_avail");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fscanf(fp, "%d", &num); fscanf(fp, "%d", &num);
fclose(fp); fclose(fp);
@ -279,7 +276,7 @@ hostname(void)
if (gethostname(buf, sizeof(buf)) == -1) { if (gethostname(buf, sizeof(buf)) == -1) {
warn("hostname"); warn("hostname");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
return smprintf("%s", buf); return smprintf("%s", buf);
@ -294,7 +291,7 @@ ip(const char *iface)
if (getifaddrs(&ifaddr) == -1) { if (getifaddrs(&ifaddr) == -1) {
warn("Failed to get IP address for interface %s", iface); warn("Failed to get IP address for interface %s", iface);
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) { for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
@ -305,7 +302,7 @@ ip(const char *iface)
if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) { if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) { if (s != 0) {
warnx("Failed to get IP address for interface %s", iface); warnx("Failed to get IP address for interface %s", iface);
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
return smprintf("%s", host); return smprintf("%s", host);
} }
@ -313,7 +310,19 @@ ip(const char *iface)
freeifaddrs(ifaddr); freeifaddrs(ifaddr);
return smprintf("%s", UNKNOWN_STR);
}
static char *
kernel_release(void)
{
struct utsname udata;
if (uname(&udata) < 0) {
return smprintf(UNKNOWN_STR); return smprintf(UNKNOWN_STR);
}
return smprintf("%s", udata.release);
} }
static char * static char *
@ -323,7 +332,7 @@ load_avg(void)
if (getloadavg(avgs, 3) < 0) { if (getloadavg(avgs, 3) < 0) {
warnx("Failed to get the load avg"); warnx("Failed to get the load avg");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]); return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
@ -338,7 +347,7 @@ ram_free(void)
fp = fopen("/proc/meminfo", "r"); fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/meminfo"); warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fscanf(fp, "MemFree: %ld kB\n", &free); fscanf(fp, "MemFree: %ld kB\n", &free);
fclose(fp); fclose(fp);
@ -355,7 +364,7 @@ ram_perc(void)
fp = fopen("/proc/meminfo", "r"); fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/meminfo"); warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fscanf(fp, "MemTotal: %ld kB\n", &total); fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free); fscanf(fp, "MemFree: %ld kB\n", &free);
@ -375,7 +384,7 @@ ram_total(void)
fp = fopen("/proc/meminfo", "r"); fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/meminfo"); warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fscanf(fp, "MemTotal: %ld kB\n", &total); fscanf(fp, "MemTotal: %ld kB\n", &total);
fclose(fp); fclose(fp);
@ -392,7 +401,7 @@ ram_used(void)
fp = fopen("/proc/meminfo", "r"); fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/meminfo"); warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fscanf(fp, "MemTotal: %ld kB\n", &total); fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free); fscanf(fp, "MemFree: %ld kB\n", &free);
@ -406,19 +415,22 @@ ram_used(void)
static char * static char *
run_command(const char *cmd) run_command(const char *cmd)
{ {
char *nlptr;
FILE *fp; FILE *fp;
char buf[1024] = "n/a"; char buf[1024] = UNKNOWN_STR;
fp = popen(cmd, "r"); fp = popen(cmd, "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to get command output for %s", cmd); warn("Failed to get command output for %s", cmd);
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fgets(buf, sizeof(buf)-1, fp); fgets(buf, sizeof(buf), fp);
pclose(fp); pclose(fp);
buf[strlen(buf)] = '\0'; buf[strlen(buf)] = '\0';
strtok(buf, "\n");
if ((nlptr = strstr(buf, "\n")) != NULL) {
nlptr[0] = '\0';
}
return smprintf("%s", buf); return smprintf("%s", buf);
} }
@ -435,23 +447,26 @@ swap_free(void)
fp = fopen("/proc/meminfo", "r"); fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/meminfo"); warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
bytes_read = fread(buf, sizeof(char), sizeof(buf), fp);
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
warn("swap_free: read error");
fclose(fp);
return smprintf("%s", UNKNOWN_STR);
}
buf[bytes_read] = '\0'; buf[bytes_read] = '\0';
fclose(fp); fclose(fp);
if (bytes_read == 0 || bytes_read == sizeof(buf)) {
warn("Failed to read /proc/meminfo\n");
return smprintf(UNKNOWN_STR);
}
match = strstr(buf, "SwapTotal"); if ((match = strstr(buf, "SwapTotal")) == NULL) {
return smprintf("%s", UNKNOWN_STR);
}
sscanf(match, "SwapTotal: %ld kB\n", &total); sscanf(match, "SwapTotal: %ld kB\n", &total);
if (total == 0) {
return smprintf(UNKNOWN_STR);
}
match = strstr(buf, "SwapFree"); if ((match = strstr(buf, "SwapFree")) == NULL) {
return smprintf("%s", UNKNOWN_STR);
}
sscanf(match, "SwapFree: %ld kB\n", &free); sscanf(match, "SwapFree: %ld kB\n", &free);
return smprintf("%f", (float)free / 1024 / 1024); return smprintf("%f", (float)free / 1024 / 1024);
@ -469,26 +484,31 @@ swap_perc(void)
fp = fopen("/proc/meminfo", "r"); fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/meminfo"); warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
bytes_read = fread(buf, sizeof(char), sizeof(buf), fp);
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
warn("swap_perc: read error");
fclose(fp);
return smprintf("%s", UNKNOWN_STR);
}
buf[bytes_read] = '\0'; buf[bytes_read] = '\0';
fclose(fp); fclose(fp);
if (bytes_read == 0 || bytes_read == sizeof(buf)) {
warn("Failed to read /proc/meminfo\n");
return smprintf(UNKNOWN_STR);
}
match = strstr(buf, "SwapTotal"); if ((match = strstr(buf, "SwapTotal")) == NULL) {
return smprintf("%s", UNKNOWN_STR);
}
sscanf(match, "SwapTotal: %ld kB\n", &total); sscanf(match, "SwapTotal: %ld kB\n", &total);
if (total == 0) {
return smprintf(UNKNOWN_STR);
}
match = strstr(buf, "SwapCached"); if ((match = strstr(buf, "SwapCached")) == NULL) {
return smprintf("%s", UNKNOWN_STR);
}
sscanf(match, "SwapCached: %ld kB\n", &cached); sscanf(match, "SwapCached: %ld kB\n", &cached);
match = strstr(buf, "SwapFree"); if ((match = strstr(buf, "SwapFree")) == NULL) {
return smprintf("%s", UNKNOWN_STR);
}
sscanf(match, "SwapFree: %ld kB\n", &free); sscanf(match, "SwapFree: %ld kB\n", &free);
return smprintf("%d%%", 100 * (total - free - cached) / total); return smprintf("%d%%", 100 * (total - free - cached) / total);
@ -506,21 +526,21 @@ swap_total(void)
fp = fopen("/proc/meminfo", "r"); fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/meminfo"); warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
bytes_read = fread(buf, sizeof(char), sizeof(buf), fp); if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
buf[bytes_read] = '\0'; warn("swap_total: read error");
fclose(fp); fclose(fp);
if (bytes_read == 0 || bytes_read == sizeof(buf)) { return smprintf("%s", UNKNOWN_STR);
warn("Failed to read /proc/meminfo\n");
return smprintf(UNKNOWN_STR);
} }
match = strstr(buf, "SwapTotal"); buf[bytes_read] = '\0';
sscanf(match, "SwapTotal: %ld kB\n", &total); fclose(fp);
if (total == 0) {
return smprintf(UNKNOWN_STR); if ((match = strstr(buf, "SwapTotal")) == NULL) {
return smprintf("%s", UNKNOWN_STR);
} }
sscanf(match, "SwapTotal: %ld kB\n", &total);
return smprintf("%f", (float)total / 1024 / 1024); return smprintf("%f", (float)total / 1024 / 1024);
} }
@ -537,26 +557,30 @@ swap_used(void)
fp = fopen("/proc/meminfo", "r"); fp = fopen("/proc/meminfo", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/meminfo"); warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
bytes_read = fread(buf, sizeof(char), sizeof(buf), fp); if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
warn("swap_used: read error");
fclose(fp);
return smprintf("%s", UNKNOWN_STR);
}
buf[bytes_read] = '\0'; buf[bytes_read] = '\0';
fclose(fp); fclose(fp);
if (bytes_read == 0 || bytes_read == sizeof(buf)) {
warn("Failed to read /proc/meminfo\n");
return smprintf(UNKNOWN_STR);
}
match = strstr(buf, "SwapTotal"); if ((match = strstr(buf, "SwapTotal")) == NULL) {
return smprintf("%s", UNKNOWN_STR);
}
sscanf(match, "SwapTotal: %ld kB\n", &total); sscanf(match, "SwapTotal: %ld kB\n", &total);
if (total == 0) {
return smprintf(UNKNOWN_STR);
}
match = strstr(buf, "SwapCached"); if ((match = strstr(buf, "SwapCached")) == NULL) {
return smprintf("%s", UNKNOWN_STR);
}
sscanf(match, "SwapCached: %ld kB\n", &cached); sscanf(match, "SwapCached: %ld kB\n", &cached);
match = strstr(buf, "SwapFree"); if ((match = strstr(buf, "SwapFree")) == NULL) {
return smprintf("%s", UNKNOWN_STR);
}
sscanf(match, "SwapFree: %ld kB\n", &free); sscanf(match, "SwapFree: %ld kB\n", &free);
return smprintf("%f", (float)(total - free - cached) / 1024 / 1024); return smprintf("%f", (float)(total - free - cached) / 1024 / 1024);
@ -571,7 +595,7 @@ temp(const char *file)
fp = fopen(file, "r"); fp = fopen(file, "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file %s", file); warn("Failed to open file %s", file);
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fscanf(fp, "%d", &temp); fscanf(fp, "%d", &temp);
fclose(fp); fclose(fp);
@ -601,7 +625,7 @@ username(void)
if (pw == NULL) { if (pw == NULL) {
warn("Failed to get username"); warn("Failed to get username");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
return smprintf("%s", pw->pw_name); return smprintf("%s", pw->pw_name);
@ -656,18 +680,18 @@ wifi_perc(const char *iface)
fp = fopen(concat, "r"); fp = fopen(concat, "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file %s", concat); warn("Failed to open file %s", concat);
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fgets(status, 5, fp); fgets(status, 5, fp);
fclose(fp); fclose(fp);
if(strcmp(status, "up\n") != 0) { if(strcmp(status, "up\n") != 0) {
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
fp = fopen("/proc/net/wireless", "r"); fp = fopen("/proc/net/wireless", "r");
if (fp == NULL) { if (fp == NULL) {
warn("Failed to open file /proc/net/wireless"); warn("Failed to open file /proc/net/wireless");
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
ccat(2, iface, ":"); ccat(2, iface, ":");
fgets(buf, sizeof(buf), fp); fgets(buf, sizeof(buf), fp);
@ -675,11 +699,11 @@ wifi_perc(const char *iface)
fgets(buf, sizeof(buf), fp); fgets(buf, sizeof(buf), fp);
fclose(fp); fclose(fp);
datastart = strstr(buf, concat); if ((datastart = strstr(buf, concat)) == NULL) {
if (datastart != NULL) { return smprintf("%s", UNKNOWN_STR);
datastart = strstr(buf, ":");
sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
} }
datastart = (datastart+(strlen(iface)+1));
sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
return smprintf("%d%%", perc); return smprintf("%d%%", perc);
} }
@ -693,42 +717,26 @@ wifi_essid(const char *iface)
memset(&wreq, 0, sizeof(struct iwreq)); memset(&wreq, 0, sizeof(struct iwreq));
wreq.u.essid.length = IW_ESSID_MAX_SIZE+1; wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
sprintf(wreq.ifr_name, iface); snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
if (sockfd == -1) { if (sockfd == -1) {
warn("Failed to get ESSID for interface %s", iface); warn("Failed to get ESSID for interface %s", iface);
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
wreq.u.essid.pointer = id; wreq.u.essid.pointer = id;
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) { if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
warn("Failed to get ESSID for interface %s", iface); warn("Failed to get ESSID for interface %s", iface);
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
} }
close(sockfd); close(sockfd);
if (strcmp((char *)wreq.u.essid.pointer, "") == 0) if (strcmp((char *)wreq.u.essid.pointer, "") == 0)
return smprintf(UNKNOWN_STR); return smprintf("%s", UNKNOWN_STR);
else else
return smprintf("%s", (char *)wreq.u.essid.pointer); return smprintf("%s", (char *)wreq.u.essid.pointer);
} }
static char *
kernel_release(void)
{
struct utsname udata;
if (uname(&udata) < 0)
return smprintf(UNKNOWN_STR);
return smprintf("%s", udata.release);
}
static void
set_status(const char *str)
{
XStoreName(dpy, DefaultRootWindow(dpy), str);
XSync(dpy, False);
}
static void static void
sighandler(const int signo) sighandler(const int signo)
{ {
@ -738,17 +746,17 @@ sighandler(const int signo)
} }
static void static void
usage(void) usage(int eval)
{ {
fprintf(stderr, "usage: %s [-dhov]\n", argv0); fprintf(stderr, "usage: %s [-d] [-o] [-v] [-h]\n", argv0);
exit(1); exit(eval);
} }
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
unsigned short int i; unsigned short int i;
char status_string[4096]; char status_string[2048];
char *res, *element; char *res, *element;
struct arg argument; struct arg argument;
struct sigaction act; struct sigaction act;
@ -761,14 +769,16 @@ main(int argc, char *argv[])
oflag = 1; oflag = 1;
break; break;
case 'v': case 'v':
printf("slstatus %s (C) 2016 slstatus engineers\n", VERSION); printf("slstatus (C) 2016 slstatus engineers\n");
return 0; return 0;
case 'h':
usage(0);
default: default:
usage(); usage(1);
} ARGEND } ARGEND
if (dflag && oflag) { if (dflag && oflag) {
usage(); usage(1);
} }
if (dflag && daemon(1, 1) < 0) { if (dflag && daemon(1, 1) < 0) {
err(1, "daemon"); err(1, "daemon");
@ -797,30 +807,34 @@ main(int argc, char *argv[])
} }
element = smprintf(argument.fmt, res); element = smprintf(argument.fmt, res);
if (element == NULL) { if (element == NULL) {
element = smprintf(UNKNOWN_STR); element = smprintf("%s", UNKNOWN_STR);
warnx("Failed to format output"); warnx("Failed to format output");
} }
strlcat(status_string, element, sizeof(status_string)); if (strlcat(status_string, element, sizeof(status_string)) >= sizeof(status_string)) {
warnx("Output too long");
}
free(res); free(res);
free(element); free(element);
} }
if (!oflag) { if (!oflag) {
set_status(status_string); XStoreName(dpy, DefaultRootWindow(dpy), status_string);
XSync(dpy, False);
} else { } else {
printf("%s\n", status_string); printf("%s\n", status_string);
} }
/* if ((UPDATE_INTERVAL - delay) <= 0) {
* subtract delay time spend in function delay = 0;
* calls from the actual global delay time continue;
*/ } else {
sleep(UPDATE_INTERVAL - delay); sleep(UPDATE_INTERVAL - delay);
delay = 0; delay = 0;
} }
}
if (!oflag) { if (!oflag) {
set_status(NULL); XStoreName(dpy, DefaultRootWindow(dpy), NULL);
XCloseDisplay(dpy); XCloseDisplay(dpy);
} }