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path: root/src/libs6/s6_svstatus_read.c
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/* ISC license. */

#include <sys/types.h>
#include <skalibs/bytestr.h>
#include <skalibs/djbunix.h>
#include <s6/s6-supervise.h>

int s6_svstatus_read (char const *dir, s6_svstatus_t *status)
{
  size_t n = str_len(dir) ;
  char pack[S6_SVSTATUS_SIZE] ;
  char tmp[n + 1 + sizeof(S6_SVSTATUS_FILENAME)] ;
  byte_copy(tmp, n, dir) ;
  byte_copy(tmp + n, 1 + sizeof(S6_SVSTATUS_FILENAME), "/" S6_SVSTATUS_FILENAME) ;
  if (openreadnclose(tmp, pack, S6_SVSTATUS_SIZE) < S6_SVSTATUS_SIZE) return 0 ;
  s6_svstatus_unpack(pack, status) ;
  return 1 ;
}