github.com/afumu/libc@v0.0.6/musl/src/passwd/putspent.c (about)

     1  #include <shadow.h>
     2  #include <stdio.h>
     3  
     4  #define NUM(n) ((n) == -1 ? 0 : -1), ((n) == -1 ? 0 : (n))
     5  #define STR(s) ((s) ? (s) : "")
     6  
     7  int putspent(const struct spwd *sp, FILE *f)
     8  {
     9  	return fprintf(f, "%s:%s:%.*ld:%.*ld:%.*ld:%.*ld:%.*ld:%.*ld:%.*lu\n",
    10  		STR(sp->sp_namp), STR(sp->sp_pwdp), NUM(sp->sp_lstchg),
    11  		NUM(sp->sp_min), NUM(sp->sp_max), NUM(sp->sp_warn),
    12  		NUM(sp->sp_inact), NUM(sp->sp_expire), NUM(sp->sp_flag)) < 0 ? -1 : 0;
    13  }