slstatus

My fork of https://tools.suckless.org/slstatus/
git clone https://git.inz.fi/slstatus
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commit 9b2dc253485ef3a0ac34a5e781bc2c856bec463d
parent 2afea979877ae12226ab397355f3bf8c8e124e91
Author: Ali H. Fardan <raiz@firemail.cc>
Date:   Thu,  8 Sep 2016 04:45:00 +0300

use warn[x]() instead of long fprintf()s

Diffstat:
Mslstatus.c | 75++++++++++++++++++++++++++-------------------------------------------------
1 file changed, 26 insertions(+), 49 deletions(-)

diff --git a/slstatus.c b/slstatus.c @@ -1,6 +1,7 @@ /* See LICENSE file for copyright and license details. */ #include <alsa/asoundlib.h> +#include <err.h> #include <fcntl.h> #include <ifaddrs.h> #include <limits.h> @@ -100,9 +101,7 @@ battery_perc(const char *battery) fp = fopen(concat, "r"); if (fp == NULL) { - fprintf(stderr, "Error opening battery file: %s: %s\n", - concat, - strerror(errno)); + warn("Error opening battery file: %s", concat); return smprintf(UNKNOWN_STR); } @@ -113,9 +112,7 @@ battery_perc(const char *battery) fp = fopen(concat, "r"); if (fp == NULL) { - fprintf(stderr, "Error opening battery file: %s: %s\n", - concat, - strerror(errno)); + warn("Error opening battery file: %s", concat); return smprintf(UNKNOWN_STR); } @@ -135,8 +132,7 @@ cpu_perc(void) FILE *fp = fopen("/proc/stat","r"); if (fp == NULL) { - fprintf(stderr, "Error opening stat file: %s\n", - strerror(errno)); + warn("Error opening stat file"); return smprintf(UNKNOWN_STR); } @@ -147,8 +143,7 @@ cpu_perc(void) fp = fopen("/proc/stat","r"); if (fp == NULL) { - fprintf(stderr, "Error opening stat file: %s\n", - strerror(errno)); + warn("Error opening stat file"); return smprintf(UNKNOWN_STR); } @@ -177,8 +172,7 @@ disk_free(const char *mountpoint) struct statvfs fs; if (statvfs(mountpoint, &fs) < 0) { - fprintf(stderr, "Could not get filesystem info: %s\n", - strerror(errno)); + warn("Could not get filesystem info"); return smprintf(UNKNOWN_STR); } return smprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024); @@ -191,8 +185,7 @@ disk_perc(const char *mountpoint) struct statvfs fs; if (statvfs(mountpoint, &fs) < 0) { - fprintf(stderr, "Could not get filesystem info: %s\n", - strerror(errno)); + warn("Could not get filesystem info"); return smprintf(UNKNOWN_STR); } @@ -206,8 +199,7 @@ disk_total(const char *mountpoint) struct statvfs fs; if (statvfs(mountpoint, &fs) < 0) { - fprintf(stderr, "Could not get filesystem info: %s\n", - strerror(errno)); + warn("Could not get filesystem info"); return smprintf(UNKNOWN_STR); } @@ -220,8 +212,7 @@ disk_used(const char *mountpoint) struct statvfs fs; if (statvfs(mountpoint, &fs) < 0) { - fprintf(stderr, "Could not get filesystem info: %s\n", - strerror(errno)); + warn("Could not get filesystem info"); return smprintf(UNKNOWN_STR); } @@ -235,8 +226,7 @@ entropy(void) FILE *fp = fopen("/proc/sys/kernel/random/entropy_avail", "r"); if (fp == NULL) { - fprintf(stderr, "Could not open entropy file: %s\n", - strerror(errno)); + warn("Could not open entropy file"); return smprintf(UNKNOWN_STR); } @@ -258,8 +248,7 @@ hostname(void) FILE *fp = fopen("/proc/sys/kernel/hostname", "r"); if (fp == NULL) { - fprintf(stderr, "Could not open hostname file: %s\n", - strerror(errno)); + warn("Could not open hostname file"); return smprintf(UNKNOWN_STR); } @@ -279,8 +268,7 @@ ip(const char *interface) char host[NI_MAXHOST]; if (getifaddrs(&ifaddr) == -1) { - fprintf(stderr, "Error getting IP address: %s\n", - strerror(errno)); + warn("Error getting IP address"); return smprintf(UNKNOWN_STR); } @@ -294,7 +282,7 @@ ip(const char *interface) if ((strcmp(ifa->ifa_name, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) { if (s != 0) { - fprintf(stderr, "Error getting IP address.\n"); + warnx("Error getting IP address."); return smprintf(UNKNOWN_STR); } return smprintf("%s", host); @@ -313,7 +301,7 @@ load_avg(void) double avgs[3]; if (getloadavg(avgs, 3) < 0) { - fprintf(stderr, "Error getting load avg.\n"); + warnx("Error getting load avg."); return smprintf(UNKNOWN_STR); } @@ -327,8 +315,7 @@ ram_free(void) FILE *fp = fopen("/proc/meminfo", "r"); if (fp == NULL) { - fprintf(stderr, "Error opening meminfo file: %s\n", - strerror(errno)); + warn("Error opening meminfo file"); return smprintf(UNKNOWN_STR); } @@ -345,8 +332,7 @@ ram_perc(void) FILE *fp = fopen("/proc/meminfo", "r"); if (fp == NULL) { - fprintf(stderr, "Error opening meminfo file: %s\n", - strerror(errno)); + warn("Error opening meminfo file"); return smprintf(UNKNOWN_STR); } @@ -367,8 +353,7 @@ ram_total(void) FILE *fp = fopen("/proc/meminfo", "r"); if (fp == NULL) { - fprintf(stderr, "Error opening meminfo file: %s\n", - strerror(errno)); + warn("Error opening meminfo file"); return smprintf(UNKNOWN_STR); } @@ -384,8 +369,7 @@ ram_used(void) FILE *fp = fopen("/proc/meminfo", "r"); if (fp == NULL) { - fprintf(stderr, "Error opening meminfo file: %s\n", - strerror(errno)); + warn("Error opening meminfo file"); return smprintf(UNKNOWN_STR); } @@ -407,8 +391,7 @@ run_command(const char* command) char buffer[64]; if (fp == NULL) { - fprintf(stderr, "Could not get command output for: %s: %s\n", - command, strerror(errno)); + warn("Could not get command output for: %s", command); return smprintf(UNKNOWN_STR); } @@ -432,8 +415,7 @@ temp(const char *file) FILE *fp = fopen(file, "r"); if (fp == NULL) { - fprintf(stderr, "Could not open temperature file: %s\n", - strerror(errno)); + warn("Could not open temperature file"); return smprintf(UNKNOWN_STR); } @@ -465,8 +447,7 @@ username(void) if (pw == NULL) return smprintf("%s", pw->pw_name); - fprintf(stderr, "Could not get username: %s\n", - strerror(errno)); + warn("Could not get username"); return smprintf(UNKNOWN_STR); } @@ -524,8 +505,7 @@ wifi_perc(const char *wificard) fp = fopen(concat, "r"); if(fp == NULL) { - fprintf(stderr, "Error opening wifi operstate file: %s\n", - strerror(errno)); + warn("Error opening wifi operstate file"); return smprintf(UNKNOWN_STR); } @@ -536,8 +516,7 @@ wifi_perc(const char *wificard) fp = fopen("/proc/net/wireless", "r"); if (fp == NULL) { - fprintf(stderr, "Error opening wireless file: %s\n", - strerror(errno)); + warn("Error opening wireless file"); return smprintf(UNKNOWN_STR); } @@ -567,14 +546,12 @@ wifi_essid(const char *wificard) wreq.u.essid.length = IW_ESSID_MAX_SIZE+1; sprintf(wreq.ifr_name, wificard); if(sockfd == -1) { - fprintf(stderr, "Cannot open socket for interface: %s: %s\n", - wificard, strerror(errno)); + warn("Cannot open socket for interface: %s", wificard); return smprintf(UNKNOWN_STR); } wreq.u.essid.pointer = id; if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) { - fprintf(stderr, "Get ESSID ioctl failed for interface %s: %s\n", - wificard, strerror(errno)); + warn("Get ESSID ioctl failed for interface %s", wificard); return smprintf(UNKNOWN_STR); } @@ -605,7 +582,7 @@ main(void) element = smprintf(argument.format, res); if (element == NULL) { element = smprintf(UNKNOWN_STR); - fprintf(stderr, "Failed to format output.\n"); + warnx("Failed to format output."); } strlcat(status_string, element, sizeof(status_string)); free(res);