diff options
Diffstat (limited to 'getln.c')
-rw-r--r-- | getln.c | 43 |
1 files changed, 43 insertions, 0 deletions
@@ -0,0 +1,43 @@ +#include "byte.h" +#include "getln.h" + +/** + @file getln.c + @author djb + @source qmail + @brief evaluting tokenized input arguments +*/ + +int getln(buffer *b,stralloc *sa,int *match,int sep) +{ + char *cont; + unsigned int clen; + + if (sgetln(b,sa,&cont,&clen,sep) == -1) return -1; + if (!clen) { *match = 0; return 0; } + if (!stralloc_catb(sa,cont,clen)) return -1; + *match = 1; + return 0; +} + +int sgetln(buffer *b,stralloc *sa,char **cont,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 = buffer_feed(b); + if (n < 0) return -1; + if (n == 0) { *clen = 0; return 0; } + x = buffer_PEEK(b); + i = byte_chr(x,n,sep); + if (i < n) { buffer_SEEK(b,*clen = i + 1); *cont = x; return 0; } + if (!stralloc_readyplus(sa,n)) return -1; + i = sa->len; + sa->len = i + buffer_get(b,sa->s + i,n); + } +} |