diff options
Diffstat (limited to 'getln2.c')
-rw-r--r-- | getln2.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/getln2.c b/getln2.c new file mode 100644 index 0000000..9e576e9 --- /dev/null +++ b/getln2.c @@ -0,0 +1,31 @@ +#include "substdio.h" +#include "stralloc.h" +#include "byte.h" +#include "getln.h" + +int getln2(ss,sa,cont,clen,sep) +register substdio *ss; +register stralloc *sa; +/*@out@*/char **cont; +/*@out@*/unsigned int *clen; +int sep; +{ + register char *x; + register unsigned int i; + int n; + + if (!stralloc_ready(sa,0)) return -1; + sa->len = 0; + + for (;;) { + n = substdio_feed(ss); + if (n < 0) return -1; + if (n == 0) { *clen = 0; return 0; } + x = substdio_PEEK(ss); + i = byte_chr(x,n,sep); + if (i < n) { substdio_SEEK(ss,*clen = i + 1); *cont = x; return 0; } + if (!stralloc_readyplus(sa,n)) return -1; + i = sa->len; + sa->len = i + substdio_get(ss,sa->s + i,n); + } +} |