s6

Mirror/fork of https://skarnet.org/software/s6/
git clone https://ccx.te2000.cz/git/s6
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s6_dtally_write.c (549B)

      1 /* ISC license. */
      2 
      3 #include <string.h>
      4 #include <skalibs/djbunix.h>
      5 #include <s6/supervise.h>
      6 
      7 int s6_dtally_write (char const *sv, s6_dtally_t const *tab, size_t n)
      8 {
      9   size_t len = strlen(sv) ;
     10   char fn[len + sizeof(S6_DTALLY_FILENAME) + 1] ;
     11   char tmp[n ? S6_DTALLY_PACK * n : 1] ;
     12   memcpy(fn, sv, len) ;
     13   memcpy(fn + len, "/" S6_DTALLY_FILENAME, sizeof(S6_DTALLY_FILENAME) + 1) ;
     14   for (size_t i = 0 ; i < n ; i++) s6_dtally_pack(tmp + i * S6_DTALLY_PACK, tab + i) ;
     15   return openwritenclose_suffix(fn, tmp, n * S6_DTALLY_PACK, ".new") ;
     16 }