Initial revision

git-svn-id: file:///srv/svn/joey/bsdgames-trunk@5086 a4a2c43b-8ac3-0310-8836-e0e880c912e2

lib/fgetln.c

@@ -0,0 +1,36 @@
+/* fgetln.c - bsd-games implementation of fgetln */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+char *
+fgetln(FILE *stream, size_t *len)
+{
+  static char *buf = NULL;
+  static size_t buflen = 0;
+  char *res;
+  char *nbuf;
+  if (buf == NULL) {
+    buf = (char *)malloc(buflen = 1024);
+    if (buf == NULL) {
+      return NULL;
+    }
+  }
+  buf[buflen - 1] = 1;
+  res = fgets(buf, buflen, stream);
+  if (res == NULL)
+    return NULL;
+  while (buf[buflen - 1] == 0) { /* long line */
+    nbuf = realloc(buf, buflen * 2);
+    if (nbuf == NULL)
+      return NULL;
+    buf = nbuf;
+    buflen *= 2;
+    buf[buflen - 1] = 1;
+    res = fgets(buf + buflen/2 - 1, buflen/2 + 1, stream);
+    if (res == NULL)
+      return NULL;
+  }
+  *len = strlen(buf);
+  return buf;
+}