Refactor io utils, add *-address-rw tools

Namespace io_ stuff into mem_io_ to be less likely to collision with
anything else. Add io-stream utility for working with streams instead of
direct buffers. Add address-rw tools for simple memory read/write, where
regions aren't needed.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index d62186c..8dc2fb9 100644
--- a/src/util.h
+++ b/src/util.h
@@ -2,6 +2,18 @@
 
 #include <err.h>
 
+static inline bool
+is_hex(const char *str)
+{
+   return (strlen(str) > 2 && str[0] == '0' && str[1] == 'x');
+}
+
+static inline unsigned long long int
+hexdecstrtoull(const char *str, char **endptr)
+{
+   return strtoull(str, endptr, (is_hex(str) ? 16 : 10));
+}
+
 struct region {
    size_t start, end, offset;
 };