Rewrite pmap to be simpler and match other implementation's output more closely.

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/lib.c b/lib/lib.c
index 7f4413ad..58670921 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -325,6 +325,8 @@ char *readfile(char *name)
   fd = open(name, O_RDONLY);
   if (fd == -1) return 0;
   len = fdlength(fd);
+  // proc files don't report a length, so try 1 page minimum.
+  if (len<4096) len = 4095;
   buf = xmalloc(len+1);
   buf[readall(fd, buf, len)] = 0;