bulk upload of source

1 files changed, 17 insertions, 0 deletions

diff --git a/djb/buffer_get.c b/djb/buffer_get.c
new file mode 100644
index 0000000..ed51707
--- /dev/null
+++ b/djb/buffer_get.c
@@ -0,0 +1,17 @@
+#include "buffer.h"
+#include <errno.h>
+
+int buffer_getc(buffer* b, char *s) /*EXTRACT_INCL*/ {
+  if (b->p >= b->n) {
+    int r;
+    while ((r=b->op(b->fd, b->x, b->a)) <0)
+      if (errno != EINTR) break;
+
+    if (r<=0) return r;
+    b->p = 0; 
+    b->n = r;
+  }
+  *s = b->x[b->p]; 
+  b->p++;
+  return 1;
+}