Make decryptto function also use named temporary files for writing

1 files changed, 12 insertions, 2 deletions

diff --git a/src/encryption.h b/src/encryption.h
index b5fe04e..b02216f 100644
--- a/src/encryption.h
+++ b/src/encryption.h
@@ -90,12 +90,22 @@ void vxgg_setsodiumfailcb(const vxgg_naclfailcb cb, void *data);
 // open() with the flags O_TMPFILE, O_WRONLY, O_CLOEXEC, and O_SYNC. Opened with mode S_IRUSR, S_IWUSR
 int maketmp(const char * const dest);
 
-int encrypttofile(FILE *dst, FILE *src, unsigned char key[crypto_secretstream_xchacha20poly1305_KEYBYTES]);
-int decrypttofile(FILE *dst, FILE *src, unsigned char key[crypto_secretstream_xchacha20poly1305_KEYBYTES]);
+// Encrypt src to dst using libsodium's xchacha encryption suite
+int encrypttofile(FILE *src, FILE *dst, const unsigned char key[crypto_secretstream_xchacha20poly1305_KEYBYTES]);
 
+// Decrypt src to dst using libsodium's xchacha encryption suite
+int decrypttofile(FILE *src, FILE *dst, const unsigned char key[crypto_secretstream_xchacha20poly1305_KEYBYTES]);
+
+// Encrypt file at `target` to `output` using Linux's named temp file system to do it in the background
 int encryptviatmp(const char * const target, const char * const output, const unsigned char key[crypto_secretstream_xchacha20poly1305_KEYBYTES]);
+
+// Decrypt the file at `encrypted` to `target`
 int decryptto(const char * const encrypted, const char * const target, const unsigned char key[crypto_secretstream_xchacha20poly1305_KEYBYTES]);
 
+//
+int linkto(const char * const target, int tgfd);
+
+//
 int genpassword(char **str, unsigned int words);
 
 #endif
\ No newline at end of file