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-rw-r--r--getln.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/getln.c b/getln.c
new file mode 100644
index 0000000..f83d3c2
--- /dev/null
+++ b/getln.c
@@ -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);
+ }
+}