ee5ec75621
- Use block for single statement ifs - Keep lines to reasonable length (current debate as to reasonable) - When functions return -1 for error test against 0 not -1 - Do not indent cases another level - Do not test against NULL and 0 explicitly - Use tabs for indentation, use spaces for alignment
67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/statvfs.h>
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#include "../util.h"
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const char *
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disk_free(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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fprintf(stderr, "statvfs '%s': %s\n", mnt, strerror(errno));
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return NULL;
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}
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return bprintf("%f",
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(float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
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}
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const char *
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disk_perc(const char *mnt)
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{
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int perc;
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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fprintf(stderr, "statvfs '%s': %s\n", mnt, strerror(errno));
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return NULL;
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}
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perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
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return bprintf("%d", perc);
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}
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const char *
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disk_total(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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fprintf(stderr, "statvfs '%s': %s\n", mnt, strerror(errno));
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return NULL;
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}
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return bprintf("%f",
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(float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
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}
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const char *
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disk_used(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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fprintf(stderr, "statvfs '%s': %s\n", mnt, strerror(errno));
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return NULL;
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}
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return bprintf("%f",
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(float)fs.f_bsize * ((float)fs.f_blocks -
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(float)fs.f_bfree) / 1024 / 1024 / 1024);
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}
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