1 files changed, 50 insertions, 0 deletions
diff --git a/riemann.fmi.uni-sofia.bg/ngetty/ngetty-1.1/fmt_utmp_ip.c b/riemann.fmi.uni-sofia.bg/ngetty/ngetty-1.1/fmt_utmp_ip.c
new file mode 100644
index 0000000..2fcf643
--- /dev/null
+++ b/riemann.fmi.uni-sofia.bg/ngetty/ngetty-1.1/fmt_utmp_ip.c
@@ -0,0 +1,50 @@
+#include "fmt_defs.h"
+#include <stdint.h>
+
+/* ip must be int32_t aligned */
+unsigned int fmt_utmp_ip(char *buf, const char ip[16]) /*EXTRACT_INCL*/{
+  unsigned int temp, k, pos0=0, len0=0, pos1=0, compr=0;
+  int32_t *u = (void *)ip;
+  char *s = buf;
+
+  if (u[1]==0 && u[2]==0 && u[3]==0) {
+    if (u[0]) {
+      for (k=0; k<4; k++) {
+	s += fmt_ulong(s, (unsigned char)ip[k]);
+	if (k<3) *s++ = '.';
+      }
+    }
+  } else {
+    for (k=0; k<16; k+=2) {
+      if (ip[k]==0 && ip[k+1]==0) {
+	if (!compr) {
+	  compr=1;
+	  pos1=k;
+	}
+	if (k==14) { k=16; goto last; }
+      } else if (compr) {
+      last:
+	if ((temp=k-pos1) > len0) {
+	  len0=temp;
+	  pos0=pos1;
+	}
+	compr=0;
+      }
+    }
+
+    for (k=0; k<16; k+=2) {
+      if (pos0==k && len0) {
+	if (k==0) *s++ = ':';
+	*s++ = ':';
+	k += len0-2;
+	continue;
+      }
+      temp = ((unsigned long) (unsigned char) ip[k] << 8) +
+	(unsigned long) (unsigned char) ip[k+1];
+      s += fmt_xlong(s, temp);
+      if (k<14) *s++ = ':';
+    }
+  }
+  *s = 0;
+  return s-buf;
+}