First pass at genpassword

1 files changed, 18 insertions, 2 deletions

diff --git a/src/encryption.h b/src/encryption.h
index 675ef18..2c8f976 100644
--- a/src/encryption.h
+++ b/src/encryption.h
@@ -1,6 +1,21 @@
 #ifndef __VXGG_REWRITE___ENCRYPTION_H___1481879318188___
 #define __VXGG_REWRITE___ENCRYPTION_H___1481879318188___
 
+// Determines whether any function that calls libsodium functions also checks to make sure libsodium is actually initialized. May
+// cause unexpected issues with early exiting due to libsodium failing to initialize properly. It's recommended that you just
+// manually run `sodium_init()` in some main or init function of your own so that you can deal with a potential error yourself
+#define ___VXGG___ALWAYS_CHECK_LIBSODIUM___ 1
+
+#if defined ___VXGG___ALWAYS_CHECK_LIBSODIUM___ && ___VXGG___ALWAYS_CHECK_LIBSODIUM___ > 0
+
+// Definition for the callback function that fires when a call to checksodium fails
+typedef void (*vxgg_naclfailcb)(void*);
+
+// Sets the error callback for when libsodium fails. Runs `cb(data)` if `(sodium_init() < 0)`
+void vxgg_setsodiumfailcb(const vxgg_naclfailcb cb, void *data);
+
+#endif
+
 // I need to store a dictionary of valid words for generating a password, and I don't want to read it in from another file, so I'm experimenting with this
 #define PASSWORD_WORDS (\
     (const char *[]){\
@@ -56,9 +71,10 @@
         "reliance", "divine", "providence", "mutually", "pledge", "each", "fortunes", "sacred", "honor"\
     }\
 )
+#define PASSWORD_WORDS_LEN (STATICARR_SIZE(PASSWORD_WORDS))
 
-// Checks if sodium is initialized. Initializes it if not
-int checkSodium(void);
+// Checks if sodium is initialized. Initializes it if not. If `___VXGG___ALWAYS_CHECK_LIBSODIUM___ > 0`, it's possible to set an error callback to avoid exiting the entire program. Otherwise calls `error()` if libsodium can't initialize
+void checksodium(void);
 
 // open() with the flags O_TMPFILE, O_WRONLY, O_CLOEXEC, and O_SYNC. Opened with mode S_IRUSR, S_IWUSR
 int maketmp(const char *dest);