use warn[x]() instead of long fprintf()s
jump to
@@ -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 @@ ccat(4, BATTERY_PATH, battery, "/", BATTERY_NOW);
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 @@ ccat(4, BATTERY_PATH, battery, "/", BATTERY_FULL);
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 @@ long double a[4], b[4];
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 @@ sleep(1);
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 @@ {
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 @@ int perc = 0;
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 @@ {
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 @@ {
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 @@ int entropy = 0;
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 @@ char hostname[HOST_NAME_MAX];
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 @@ int s;
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 @@ NULL, 0, NI_NUMERICHOST);
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 @@ {
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 @@ long free;
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 @@ long total, free, buffers, cached;
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 @@ long total;
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 @@ long free, total, buffers, cached, used;
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 @@ FILE *fp = popen(command, "r");
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 @@ int temperature;
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 @@
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 @@
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 @@ return smprintf(UNKNOWN_STR);
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 @@ memset(&wreq, 0, sizeof(struct iwreq));
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 @@ res = argument.func(argument.args);
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);