-// vim:ts=8:expandtab
+// vim:ts=4:sw=4:expandtab
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_EXPONENT 4
-static const char * const iec_symbols[MAX_EXPONENT+1] = {"", "Ki", "Mi", "Gi", "Ti"};
-static const char * const si_symbols[MAX_EXPONENT+1] = {"", "k", "M", "G", "T"};
-static const char * const custom_symbols[MAX_EXPONENT+1] = {"", "K", "M", "G", "T"};
+static const char *const iec_symbols[MAX_EXPONENT + 1] = {"", "Ki", "Mi", "Gi", "Ti"};
+static const char *const si_symbols[MAX_EXPONENT + 1] = {"", "k", "M", "G", "T"};
+static const char *const custom_symbols[MAX_EXPONENT + 1] = {"", "K", "M", "G", "T"};
/*
* Formats bytes according to the given base and set of symbols.
*
*/
-static int format_bytes(char *outwalk, uint64_t bytes, uint64_t base, const char * const symbols[]) {
- double size = bytes;
- int exponent = 0;
- while (size >= base && exponent < MAX_EXPONENT) {
- size /= base;
- exponent += 1;
- }
- return sprintf(outwalk, "%.1f %sB", size, symbols[exponent]);
+static int format_bytes(char *outwalk, uint64_t bytes, uint64_t base, const char *const symbols[]) {
+ double size = bytes;
+ int exponent = 0;
+ while (size >= base && exponent < MAX_EXPONENT) {
+ size /= base;
+ exponent += 1;
+ }
+ return sprintf(outwalk, "%.1f %sB", size, symbols[exponent]);
}
/*
*
*/
static int print_bytes_human(char *outwalk, uint64_t bytes, const char *prefix_type) {
- if (strcasecmp(prefix_type, "decimal") == 0) {
- return format_bytes(outwalk, bytes, DECIMAL_BASE, si_symbols);
- } else if (strcasecmp(prefix_type, "custom") == 0) {
- return format_bytes(outwalk, bytes, BINARY_BASE, custom_symbols);
- } else {
- return format_bytes(outwalk, bytes, BINARY_BASE, iec_symbols);
- }
+ if (strcasecmp(prefix_type, "decimal") == 0) {
+ return format_bytes(outwalk, bytes, DECIMAL_BASE, si_symbols);
+ } else if (strcasecmp(prefix_type, "custom") == 0) {
+ return format_bytes(outwalk, bytes, BINARY_BASE, custom_symbols);
+ } else {
+ return format_bytes(outwalk, bytes, BINARY_BASE, iec_symbols);
+ }
}
/*
#else
static bool below_threshold(struct statvfs buf, const char *prefix_type, const char *threshold_type, const double low_threshold) {
#endif
- if (strcasecmp(threshold_type, "percentage_free") == 0) {
- return 100.0 * (double)buf.f_bfree / (double)buf.f_blocks < low_threshold;
- } else if (strcasecmp(threshold_type, "percentage_avail") == 0) {
- return 100.0 * (double)buf.f_bavail / (double)buf.f_blocks < low_threshold;
- } else if (strcasecmp(threshold_type, "bytes_free") == 0) {
- return (double)buf.f_bsize * (double)buf.f_bfree < low_threshold;
- } else if (strcasecmp(threshold_type, "bytes_avail") == 0) {
- return (double)buf.f_bsize * (double)buf.f_bavail < low_threshold;
- } else if (threshold_type[0] != '\0' && strncasecmp(threshold_type+1, "bytes_", strlen("bytes_")) == 0) {
- uint64_t base = strcasecmp(prefix_type, "decimal") == 0 ? DECIMAL_BASE : BINARY_BASE;
- double factor = 1;
-
- switch (threshold_type[0]) {
- case 'T':
- case 't':
- factor *= base;
- case 'G':
- case 'g':
- factor *= base;
- case 'M':
- case 'm':
- factor *= base;
- case 'K':
- case 'k':
- factor *= base;
- break;
- default:
- return false;
- }
-
- if (strcasecmp(threshold_type+1, "bytes_free") == 0) {
- return (double)buf.f_bsize * (double)buf.f_bfree < low_threshold * factor;
- } else if (strcasecmp(threshold_type+1, "bytes_avail") == 0) {
- return (double)buf.f_bsize * (double)buf.f_bavail < low_threshold * factor;
- }
+ if (strcasecmp(threshold_type, "percentage_free") == 0) {
+ return 100.0 * (double)buf.f_bfree / (double)buf.f_blocks < low_threshold;
+ } else if (strcasecmp(threshold_type, "percentage_avail") == 0) {
+ return 100.0 * (double)buf.f_bavail / (double)buf.f_blocks < low_threshold;
+ } else if (strcasecmp(threshold_type, "bytes_free") == 0) {
+ return (double)buf.f_bsize * (double)buf.f_bfree < low_threshold;
+ } else if (strcasecmp(threshold_type, "bytes_avail") == 0) {
+ return (double)buf.f_bsize * (double)buf.f_bavail < low_threshold;
+ } else if (threshold_type[0] != '\0' && strncasecmp(threshold_type + 1, "bytes_", strlen("bytes_")) == 0) {
+ uint64_t base = strcasecmp(prefix_type, "decimal") == 0 ? DECIMAL_BASE : BINARY_BASE;
+ double factor = 1;
+
+ switch (threshold_type[0]) {
+ case 'T':
+ case 't':
+ factor *= base;
+ case 'G':
+ case 'g':
+ factor *= base;
+ case 'M':
+ case 'm':
+ factor *= base;
+ case 'K':
+ case 'k':
+ factor *= base;
+ break;
+ default:
+ return false;
+ }
+
+ if (strcasecmp(threshold_type + 1, "bytes_free") == 0) {
+ return (double)buf.f_bsize * (double)buf.f_bfree < low_threshold * factor;
+ } else if (strcasecmp(threshold_type + 1, "bytes_avail") == 0) {
+ return (double)buf.f_bsize * (double)buf.f_bavail < low_threshold * factor;
}
+ }
- return false;
+ return false;
}
/*
*
*/
void print_disk_info(yajl_gen json_gen, char *buffer, const char *path, const char *format, const char *format_not_mounted, const char *prefix_type, const char *threshold_type, const double low_threshold) {
- const char *walk;
- char *outwalk = buffer;
- bool colorful_output = false;
+ const char *walk;
+ char *outwalk = buffer;
+ bool colorful_output = false;
- INSTANCE(path);
+ INSTANCE(path);
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__DragonFly__)
- struct statfs buf;
+ struct statfs buf;
- if (statfs(path, &buf) == -1)
- return;
+ if (statfs(path, &buf) == -1)
+ return;
#else
- struct statvfs buf;
-
- if (statvfs(path, &buf) == -1)
- return;
-
- if (format_not_mounted != NULL) {
- FILE *mntentfile = setmntent("/etc/mtab", "r");
- struct mntent *m;
- bool found = false;
-
- while ((m = getmntent(mntentfile)) != NULL) {
- if (strcmp(m->mnt_dir, path) == 0) {
- found = true;
- break;
- }
- }
- endmntent(mntentfile);
-
- if (!found) {
- format = format_not_mounted;
- }
+ struct statvfs buf;
+
+ if (statvfs(path, &buf) == -1)
+ return;
+
+ if (format_not_mounted != NULL) {
+ FILE *mntentfile = setmntent("/etc/mtab", "r");
+ struct mntent *m;
+ bool found = false;
+
+ while ((m = getmntent(mntentfile)) != NULL) {
+ if (strcmp(m->mnt_dir, path) == 0) {
+ found = true;
+ break;
+ }
+ }
+ endmntent(mntentfile);
+
+ if (!found) {
+ format = format_not_mounted;
}
+ }
#endif
- if (low_threshold > 0 && below_threshold(buf, prefix_type, threshold_type, low_threshold)) {
- START_COLOR("color_bad");
- colorful_output = true;
+ if (low_threshold > 0 && below_threshold(buf, prefix_type, threshold_type, low_threshold)) {
+ START_COLOR("color_bad");
+ colorful_output = true;
+ }
+
+ for (walk = format; *walk != '\0'; walk++) {
+ if (*walk != '%') {
+ *(outwalk++) = *walk;
+ continue;
+ }
+
+ if (BEGINS_WITH(walk + 1, "free")) {
+ outwalk += print_bytes_human(outwalk, (uint64_t)buf.f_bsize * (uint64_t)buf.f_bfree, prefix_type);
+ walk += strlen("free");
+ }
+
+ if (BEGINS_WITH(walk + 1, "used")) {
+ outwalk += print_bytes_human(outwalk, (uint64_t)buf.f_bsize * ((uint64_t)buf.f_blocks - (uint64_t)buf.f_bfree), prefix_type);
+ walk += strlen("used");
+ }
+
+ if (BEGINS_WITH(walk + 1, "total")) {
+ outwalk += print_bytes_human(outwalk, (uint64_t)buf.f_bsize * (uint64_t)buf.f_blocks, prefix_type);
+ walk += strlen("total");
+ }
+
+ if (BEGINS_WITH(walk + 1, "avail")) {
+ outwalk += print_bytes_human(outwalk, (uint64_t)buf.f_bsize * (uint64_t)buf.f_bavail, prefix_type);
+ walk += strlen("avail");
+ }
+
+ if (BEGINS_WITH(walk + 1, "percentage_free")) {
+ outwalk += sprintf(outwalk, "%.01f%%", 100.0 * (double)buf.f_bfree / (double)buf.f_blocks);
+ walk += strlen("percentage_free");
+ }
+
+ if (BEGINS_WITH(walk + 1, "percentage_used_of_avail")) {
+ outwalk += sprintf(outwalk, "%.01f%%", 100.0 * (double)(buf.f_blocks - buf.f_bavail) / (double)buf.f_blocks);
+ walk += strlen("percentage_used_of_avail");
+ }
+
+ if (BEGINS_WITH(walk + 1, "percentage_used")) {
+ outwalk += sprintf(outwalk, "%.01f%%", 100.0 * (double)(buf.f_blocks - buf.f_bfree) / (double)buf.f_blocks);
+ walk += strlen("percentage_used");
}
- for (walk = format; *walk != '\0'; walk++) {
- if (*walk != '%') {
- *(outwalk++) = *walk;
- continue;
- }
-
- if (BEGINS_WITH(walk+1, "free")) {
- outwalk += print_bytes_human(outwalk, (uint64_t)buf.f_bsize * (uint64_t)buf.f_bfree, prefix_type);
- walk += strlen("free");
- }
-
- if (BEGINS_WITH(walk+1, "used")) {
- outwalk += print_bytes_human(outwalk, (uint64_t)buf.f_bsize * ((uint64_t)buf.f_blocks - (uint64_t)buf.f_bfree), prefix_type);
- walk += strlen("used");
- }
-
- if (BEGINS_WITH(walk+1, "total")) {
- outwalk += print_bytes_human(outwalk, (uint64_t)buf.f_bsize * (uint64_t)buf.f_blocks, prefix_type);
- walk += strlen("total");
- }
-
- if (BEGINS_WITH(walk+1, "avail")) {
- outwalk += print_bytes_human(outwalk, (uint64_t)buf.f_bsize * (uint64_t)buf.f_bavail, prefix_type);
- walk += strlen("avail");
- }
-
- if (BEGINS_WITH(walk+1, "percentage_free")) {
- outwalk += sprintf(outwalk, "%.01f%%", 100.0 * (double)buf.f_bfree / (double)buf.f_blocks);
- walk += strlen("percentage_free");
- }
-
- if (BEGINS_WITH(walk+1, "percentage_used_of_avail")) {
- outwalk += sprintf(outwalk, "%.01f%%", 100.0 * (double)(buf.f_blocks - buf.f_bavail) / (double)buf.f_blocks);
- walk += strlen("percentage_used_of_avail");
- }
-
- if (BEGINS_WITH(walk+1, "percentage_used")) {
- outwalk += sprintf(outwalk, "%.01f%%", 100.0 * (double)(buf.f_blocks - buf.f_bfree) / (double)buf.f_blocks);
- walk += strlen("percentage_used");
- }
-
- if (BEGINS_WITH(walk+1, "percentage_avail")) {
- outwalk += sprintf(outwalk, "%.01f%%", 100.0 * (double)buf.f_bavail / (double)buf.f_blocks);
- walk += strlen("percentage_avail");
- }
+ if (BEGINS_WITH(walk + 1, "percentage_avail")) {
+ outwalk += sprintf(outwalk, "%.01f%%", 100.0 * (double)buf.f_bavail / (double)buf.f_blocks);
+ walk += strlen("percentage_avail");
}
+ }
- if (colorful_output)
- END_COLOR;
+ if (colorful_output)
+ END_COLOR;
- *outwalk = '\0';
- OUTPUT_FULL_TEXT(buffer);
+ *outwalk = '\0';
+ OUTPUT_FULL_TEXT(buffer);
}
projects / i3 / i3status / blobdiff