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-rw-r--r--djb/buffer_get.c17
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;
+}