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add comments to disk usage block

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losynix 2017-01-13 18:07:13 +01:00 • committed by NBonaparte
parent 03328b61a6
commit f3849ee4c5
1 changed files with 6 additions and 0 deletions
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6
src/intern_blks/ya_intern.c
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@ -575,7 +575,10 @@ ya_volume_error:
pthread_exit(NULL); pthread_exit(NULL);
} }
/* -- Disk usage block -- */
static const char const symbols[5] = {0, 'K', 'M', 'G', 'T'}; static const char const symbols[5] = {0, 'K', 'M', 'G', 'T'};
/* bytes to human-readable str: convert an amount of bytes to a string with the
corresponding suffix. e.g. "123456789" -> "117.7M" (bytes) */
static int btohstr(char *str, uint64_t bytes) static int btohstr(char *str, uint64_t bytes)
{ {
double size = bytes; double size = bytes;
@ -597,6 +600,8 @@ void ya_int_diskspace(ya_block_t *blk) {
int8_t mntpntcount = -1; int8_t mntpntcount = -1;
FILE *mntentfile = setmntent("/etc/mtab", "r");; FILE *mntentfile = setmntent("/etc/mtab", "r");;
struct mntent *m; struct mntent *m;
/* read /etc/mtab to get all mountpoints where the underlying device or
volume group matches the internal-option1 */
while ( (m = getmntent(mntentfile)) != NULL ) { while ( (m = getmntent(mntentfile)) != NULL ) {
if (strncmp(m->mnt_fsname, blk->internal->option[0], if (strncmp(m->mnt_fsname, blk->internal->option[0],
strlen(blk->internal->option[0])) == 0) { strlen(blk->internal->option[0])) == 0) {
@ -622,6 +627,7 @@ void ya_int_diskspace(ya_block_t *blk) {
while (1) { while (1) {
free = 0; free = 0;
total = 0; total = 0;
/* get and sum used / total space of every mountpoints */
for( int i = 0; i <= mntpntcount; i++) { for( int i = 0; i <= mntpntcount; i++) {
if ( statvfs(mountpoints[i], &stat) != -1 ) { if ( statvfs(mountpoints[i], &stat) != -1 ) {
free += (uint64_t)(stat.f_bfree * stat.f_bsize); free += (uint64_t)(stat.f_bfree * stat.f_bsize);