X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/14749b6c878f231a1120fc750d38f0c4383090a1..6cab2d57199edd8cc9e292ded04558fe9279962b:/slstatus.c diff --git a/slstatus.c b/slstatus.c index 8479bf1..e6e726e 100644 --- a/slstatus.c +++ b/slstatus.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -19,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -28,7 +30,6 @@ #include "extern/arg.h" #include "extern/strlcat.h" -#include "extern/strlcpy.h" #include "extern/concat.h" struct arg { @@ -37,34 +38,39 @@ struct arg { const char *args; }; -static char *smprintf(const char *, ...); -static char *battery_perc(const char *); -static char *battery_state(const char *); +static char *smprintf(const char *fmt, ...); +static char *battery_perc(const char *bat); +static char *battery_state(const char *bat); static char *cpu_perc(void); -static char *datetime(const char *); -static char *disk_free(const char *); -static char *disk_perc(const char *); -static char *disk_total(const char *); -static char *disk_used(const char *); +static char *datetime(const char *fmt); +static char *disk_free(const char *mnt); +static char *disk_perc(const char *mnt); +static char *disk_total(const char *mnt); +static char *disk_used(const char *mnt); static char *entropy(void); static char *gid(void); static char *hostname(void); -static char *ip(const char *); +static char *ip(const char *iface); static char *load_avg(void); static char *ram_free(void); static char *ram_perc(void); static char *ram_used(void); static char *ram_total(void); -static char *run_command(const char *); -static char *temp(const char *); +static char *run_command(const char *cmd); +static char *swap_free(void); +static char *swap_perc(void); +static char *swap_used(void); +static char *swap_total(void); +static char *temp(const char *file); static char *uid(void); static char *uptime(void); static char *username(void); -static char *vol_perc(const char *); -static char *wifi_perc(const char *); -static char *wifi_essid(const char *); -static void set_status(const char *); -static void sighandler(const int); +static char *vol_perc(const char *card); +static char *wifi_perc(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 usage(void); char *argv0; @@ -89,8 +95,7 @@ smprintf(const char *fmt, ...) ret = malloc(++len); if (ret == NULL) { - warn("Malloc failed."); - return "n/a"; + err(1, "malloc"); } va_start(ap, fmt); @@ -270,16 +275,11 @@ static char * hostname(void) { char buf[HOST_NAME_MAX]; - FILE *fp; - fp = fopen("/proc/sys/kernel/hostname", "r"); - if (fp == NULL) { - warn("Failed to open file /proc/sys/kernel/hostname"); + if (gethostname(buf, sizeof(buf)) == -1) { + warn("hostname"); return smprintf(UNKNOWN_STR); } - fgets(buf, sizeof(buf), fp); - buf[strlen(buf)-1] = '\0'; - fclose(fp); return smprintf("%s", buf); } @@ -405,8 +405,9 @@ ram_used(void) static char * run_command(const char *cmd) { + char *nlptr; FILE *fp; - char buf[64] = "n/a"; + char buf[1024] = UNKNOWN_STR; fp = popen(cmd, "r"); if (fp == NULL) { @@ -414,12 +415,155 @@ run_command(const char *cmd) return smprintf(UNKNOWN_STR); } fgets(buf, sizeof(buf), fp); - buf[sizeof(buf)-1] = '\0'; pclose(fp); + buf[strlen(buf)] = '\0'; + + if ((nlptr = strstr(buf, "\n")) != NULL) { + nlptr[0] = '\0'; + } return smprintf("%s", buf); } +static char * +swap_free(void) +{ + long total, free; + FILE *fp; + char buf[2048]; + size_t bytes_read; + char *match; + + fp = fopen("/proc/meminfo", "r"); + if (fp == NULL) { + warn("Failed to open file /proc/meminfo"); + return smprintf(UNKNOWN_STR); + } + bytes_read = fread(buf, sizeof(char), sizeof(buf), fp); + buf[bytes_read] = '\0'; + fclose(fp); + if (bytes_read == 0 || bytes_read == sizeof(buf)) { + warn("Failed to read from /proc/meminfo"); + return smprintf(UNKNOWN_STR); + } + + match = strstr(buf, "SwapTotal"); + sscanf(match, "SwapTotal: %ld kB\n", &total); + if (total == 0) { + return smprintf(UNKNOWN_STR); + } + + match = strstr(buf, "SwapFree"); + sscanf(match, "SwapFree: %ld kB\n", &free); + + return smprintf("%f", (float)free / 1024 / 1024); +} + +static char * +swap_perc(void) +{ + long total, free, cached; + FILE *fp; + char buf[2048]; + size_t bytes_read; + char *match; + + fp = fopen("/proc/meminfo", "r"); + if (fp == NULL) { + warn("Failed to open file /proc/meminfo"); + return smprintf(UNKNOWN_STR); + } + bytes_read = fread(buf, sizeof(char), sizeof(buf), fp); + buf[bytes_read] = '\0'; + fclose(fp); + if (bytes_read == 0 || bytes_read == sizeof(buf)) { + warn("Failed to read from /proc/meminfo"); + return smprintf(UNKNOWN_STR); + } + + match = strstr(buf, "SwapTotal"); + sscanf(match, "SwapTotal: %ld kB\n", &total); + if (total == 0) { + return smprintf(UNKNOWN_STR); + } + + match = strstr(buf, "SwapCached"); + sscanf(match, "SwapCached: %ld kB\n", &cached); + + match = strstr(buf, "SwapFree"); + sscanf(match, "SwapFree: %ld kB\n", &free); + + return smprintf("%d%%", 100 * (total - free - cached) / total); +} + +static char * +swap_total(void) +{ + long total; + FILE *fp; + char buf[2048]; + size_t bytes_read; + char *match; + + fp = fopen("/proc/meminfo", "r"); + if (fp == NULL) { + warn("Failed to open file /proc/meminfo"); + return smprintf(UNKNOWN_STR); + } + bytes_read = fread(buf, sizeof(char), sizeof(buf), fp); + buf[bytes_read] = '\0'; + fclose(fp); + if (bytes_read == 0 || bytes_read == sizeof(buf)) { + warn("Failed to read from /proc/meminfo"); + return smprintf(UNKNOWN_STR); + } + + match = strstr(buf, "SwapTotal"); + sscanf(match, "SwapTotal: %ld kB\n", &total); + if (total == 0) { + return smprintf(UNKNOWN_STR); + } + + return smprintf("%f", (float)total / 1024 / 1024); +} + +static char * +swap_used(void) +{ + long total, free, cached; + FILE *fp; + char buf[2048]; + size_t bytes_read; + char *match; + + fp = fopen("/proc/meminfo", "r"); + if (fp == NULL) { + warn("Failed to open file /proc/meminfo"); + return smprintf(UNKNOWN_STR); + } + bytes_read = fread(buf, sizeof(char), sizeof(buf), fp); + buf[bytes_read] = '\0'; + fclose(fp); + if (bytes_read == 0 || bytes_read == sizeof(buf)) { + warn("Failed to read from /proc/meminfo"); + return smprintf(UNKNOWN_STR); + } + + match = strstr(buf, "SwapTotal"); + sscanf(match, "SwapTotal: %ld kB\n", &total); + if (total == 0) { + return smprintf(UNKNOWN_STR); + } + + match = strstr(buf, "SwapCached"); + sscanf(match, "SwapCached: %ld kB\n", &cached); + + match = strstr(buf, "SwapFree"); + sscanf(match, "SwapFree: %ld kB\n", &free); + + return smprintf("%f", (float)(total - free - cached) / 1024 / 1024); +} + static char * temp(const char *file) { @@ -475,6 +619,7 @@ uid(void) static char * vol_perc(const char *card) { + int mute; long int vol, max, min; snd_mixer_t *handle; snd_mixer_elem_t *elem; @@ -498,11 +643,17 @@ vol_perc(const char *card) snd_mixer_handle_events(handle); snd_mixer_selem_get_playback_volume_range(elem, &min, &max); snd_mixer_selem_get_playback_volume(elem, 0, &vol); + snd_mixer_selem_get_playback_switch(elem, 0, &mute); snd_mixer_selem_id_free(s_elem); snd_mixer_close(handle); - return smprintf("%d%%", ((uint_fast16_t)(vol * 100) / max)); + if (!mute) + return smprintf("mute"); + else if (max == 0) + return smprintf("0%%"); + else + return smprintf("%lu%%", ((uint_fast16_t)(vol * 100) / max)); } static char * @@ -574,6 +725,16 @@ wifi_essid(const char *iface) 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) { @@ -600,7 +761,7 @@ int main(int argc, char *argv[]) { unsigned short int i; - char status_string[4096]; + char status_string[2048]; char *res, *element; struct arg argument; struct sigaction act; @@ -613,7 +774,7 @@ main(int argc, char *argv[]) oflag = 1; break; case 'v': - printf("%s version %s (c) 2016 slstatus engineers\n", argv0, VERSION); + printf("slstatus %s (C) 2016 slstatus engineers\n", VERSION); return 0; default: usage(); @@ -622,8 +783,8 @@ main(int argc, char *argv[]) if (dflag && oflag) { usage(); } - if (dflag) { - (void)daemon(1, 1); + if (dflag && daemon(1, 1) < 0) { + err(1, "daemon"); } memset(&act, 0, sizeof(act)); @@ -635,6 +796,8 @@ main(int argc, char *argv[]) dpy = XOpenDisplay(NULL); } + setlocale(LC_ALL, ""); + while (!done) { status_string[0] = '\0'; @@ -650,7 +813,8 @@ main(int argc, char *argv[]) element = smprintf(UNKNOWN_STR); 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(element); }