update code to allow you to run the fit outside of the src directory

To enable the fitter to run outside of the src directory, I created a new
function open_file() which works exactly like fopen() except that it searches
for the file in both the current working directory and the path specified by an
environment variable.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/db.c b/src/db.c
index c94eaba..d364503 100644
--- a/src/db.c
+++ b/src/db.c
@@ -5,6 +5,7 @@
 #include <stdint.h> /* for uint32_t */
 #include <stdlib.h> /* for atoi() */
 #include "dict.h"
+#include "util.h"
 
 char db_err[256];
 
@@ -147,7 +148,7 @@ int load_file(dict *db, const char *filename)
         return -1;
     }
 
-    FILE *f = fopen(filename, "r");
+    FILE *f = open_file(filename, "r");
 
     if (!f) {
         sprintf(db_err, "unable to open file '%s': %s", filename, strerror(errno));