skalibs

Mirror/fork of https://skarnet.org/software/skalibs/
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skagetln_nofill.c (486B)

      1 /* ISC license. */
      2 
      3 #include <sys/uio.h>
      4 #include <skalibs/buffer.h>
      5 #include <skalibs/siovec.h>
      6 #include <skalibs/stralloc.h>
      7 #include <skalibs/skamisc.h>
      8 
      9 int skagetln_nofill (buffer *b, stralloc *sa, char sep)
     10 {
     11   struct iovec v[2] ;
     12   size_t pos ;
     13   int r ;
     14   buffer_rpeek(b, v) ;
     15   pos = siovec_bytechr(v, 2, sep) ;
     16   r = pos < buffer_len(b) ; pos += r ;
     17   if (!stralloc_readyplus(sa, pos)) return -1 ;
     18   buffer_getnofill(b, sa->s + sa->len, pos) ; sa->len += pos ;
     19   return r ;
     20 }