From a5122fd773dfeba02e5eb040f86162377942013b Mon Sep 17 00:00:00 2001
From: XANTRONIX Development <dev@xantronix.com>
Date: Sat, 7 May 2016 19:52:55 -0500
Subject: [PATCH] A bit less segfault-y

---
 src/sram.c | 2 +-
 src/test.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/sram.c b/src/sram.c
index e03ae19..ee0e028 100644
--- a/src/sram.c
+++ b/src/sram.c
@@ -38,7 +38,7 @@ cammy_sram *cammy_sram_open(const char *file) {
     sram->mapped_size = _mapped_size(st.st_size, sram->page_size);
 
     if ((sram->data = mmap(NULL, sram->mapped_size,
-            PROT_READ, MAP_PRIVATE, sram->fd, 0)) == NULL) {
+            PROT_READ | PROT_WRITE, MAP_SHARED, sram->fd, 0)) == NULL) {
         goto error_mmap;
     }
 
diff --git a/src/test.c b/src/test.c
index 22c978e..0b09c1f 100644
--- a/src/test.c
+++ b/src/test.c
@@ -116,7 +116,7 @@ int main(int argc, char **argv) {
         goto error_png_get_data;
     }
 
-    image_copy(&sram->data->frames[frame], buf);
+    image_copy(&sram->data->frames[frame-1], buf);
 
     free(buf);