.

strff/strff_read.c

@@ -0,0 +1,44 @@
+#include "../strff.h"
+
+#include <errno.h>
+
+int strff_read(struct strff *strff, size_t buflen, char buf[buflen])
+{
+  size_t nread;
+  int r;
+  char c;
+  int isnewline;
+  if (strff->fieldtype == STRFF_TYPE_NONE) {
+    errno = EINVAL; /* cannot read NONE field */
+    return -1;
+  }
+
+  isnewline = 1;
+  nread = 0;
+  while (nread < buflen) {
+    r = buffer_peekc(&strff->b, &c);
+    if (r < 0) return -1;
+    if (r == 0) {
+      if (isnewline && nread > 0)
+        nread--; /* remove last \n */
+      break;
+    }
+
+    if (strff->fieldtype == STRFF_TYPE_EQUAL && c == '\n')
+      break;
+    else if (strff->fieldtype == STRFF_TYPE_BRACKET) {
+      if (isnewline && c == '[') {
+        if (nread > 0)
+          nread--; /* remove last \n */
+        break;
+      }
+      isnewline = 0;
+      if (c == '\n')
+        isnewline = 1;
+    }
+
+    buf[nread++] = c;
+    strff->b.p++;
+  }
+  return nread;
+}