cleanup: Add dynamically derived array sizes to the API.

Author: iphydf

toxav/toxav.h

@@ -654,8 +654,12 @@ void toxav_callback_audio_bit_rate(ToxAV *av, toxav_audio_bit_rate_cb *callback,
  * @param u U (Chroma) plane data.
  * @param v V (Chroma) plane data.
  */
-bool toxav_video_send_frame(ToxAV *av, uint32_t friend_number, uint16_t width, uint16_t height, const uint8_t y[],
-                            const uint8_t u[], const uint8_t v[], Toxav_Err_Send_Frame *error);
+bool toxav_video_send_frame(
+        ToxAV *av, uint32_t friend_number, uint16_t width, uint16_t height,
+        const uint8_t y[/*! height * width */],
+        const uint8_t u[/*! height/2 * width/2 */],
+        const uint8_t v[/*! height/2 * width/2 */],
+        Toxav_Err_Send_Frame *error);
 
 /**
  * Set the bit rate to be used in subsequent video frames.
@@ -737,8 +741,13 @@ void toxav_callback_audio_receive_frame(ToxAV *av, toxav_audio_receive_frame_cb
  * @param ustride U chroma plane stride.
  * @param vstride V chroma plane stride.
  */
-typedef void toxav_video_receive_frame_cb(ToxAV *av, uint32_t friend_number, uint16_t width, uint16_t height,
-        const uint8_t y[], const uint8_t u[], const uint8_t v[], int32_t ystride, int32_t ustride, int32_t vstride,
+typedef void toxav_video_receive_frame_cb(
+        ToxAV *av, uint32_t friend_number,
+        uint16_t width, uint16_t height,
+        const uint8_t y[/*! max(width, abs(ystride)) * height */],
+        const uint8_t u[/*! max(width/2, abs(ustride)) * (height/2) */],
+        const uint8_t v[/*! max(width/2, abs(vstride)) * (height/2) */],
+        int32_t ystride, int32_t ustride, int32_t vstride,
         void *user_data);
 
 

toxencryptsave/toxencryptsave.c

@@ -255,7 +255,7 @@ bool tox_pass_key_encrypt(const Tox_Pass_Key *key, const uint8_t plaintext[], si
  * @return true on success.
  */
 bool tox_pass_encrypt(const uint8_t plaintext[], size_t plaintext_len, const uint8_t passphrase[], size_t passphrase_len,
-                      uint8_t ciphertext[], Tox_Err_Encryption *error)
+                      uint8_t ciphertext[/*! plaintext_len + TOX_PASS_ENCRYPTION_EXTRA_LENGTH */], Tox_Err_Encryption *error)
 {
     Tox_Err_Key_Derivation err;
     Tox_Pass_Key *key = tox_pass_key_derive(passphrase, passphrase_len, &err);
@@ -338,7 +338,7 @@ bool tox_pass_key_decrypt(const Tox_Pass_Key *key, const uint8_t ciphertext[], s
  * @return true on success.
  */
 bool tox_pass_decrypt(const uint8_t ciphertext[], size_t ciphertext_len, const uint8_t passphrase[],
-                      size_t passphrase_len, uint8_t plaintext[], Tox_Err_Decryption *error)
+                      size_t passphrase_len, uint8_t plaintext[/*! ciphertext_len - TOX_PASS_ENCRYPTION_EXTRA_LENGTH */], Tox_Err_Decryption *error)
 {
     if (ciphertext_len <= TOX_PASS_ENCRYPTION_EXTRA_LENGTH) {
         SET_ERROR_PARAMETER(error, TOX_ERR_DECRYPTION_INVALID_LENGTH);

toxencryptsave/toxencryptsave.h

@@ -187,7 +187,7 @@ typedef enum Tox_Err_Decryption {
  * @return true on success.
  */
 bool tox_pass_encrypt(const uint8_t plaintext[], size_t plaintext_len, const uint8_t passphrase[], size_t passphrase_len,
-                      uint8_t ciphertext[], Tox_Err_Encryption *error);
+                      uint8_t ciphertext[/*! plaintext_len + TOX_PASS_ENCRYPTION_EXTRA_LENGTH */], Tox_Err_Encryption *error);
 
 /**
  * Decrypts the given data with the given passphrase.
@@ -204,7 +204,7 @@ bool tox_pass_encrypt(const uint8_t plaintext[], size_t plaintext_len, const uin
  * @return true on success.
  */
 bool tox_pass_decrypt(const uint8_t ciphertext[], size_t ciphertext_len, const uint8_t passphrase[],
-                      size_t passphrase_len, uint8_t plaintext[], Tox_Err_Decryption *error);
+                      size_t passphrase_len, uint8_t plaintext[/*! ciphertext_len - TOX_PASS_ENCRYPTION_EXTRA_LENGTH */], Tox_Err_Decryption *error);
 
 
 /*******************************************************************************
@@ -285,7 +285,7 @@ Tox_Pass_Key *tox_pass_key_derive_with_salt(
  * @return true on success.
  */
 bool tox_pass_key_encrypt(const Tox_Pass_Key *key, const uint8_t plaintext[], size_t plaintext_len,
-                          uint8_t ciphertext[], Tox_Err_Encryption *error);
+                          uint8_t ciphertext[/*! plaintext_len + TOX_PASS_ENCRYPTION_EXTRA_LENGTH */], Tox_Err_Encryption *error);
 
 /**
  * This is the inverse of tox_pass_key_encrypt, also using only keys produced by
@@ -298,7 +298,7 @@ bool tox_pass_key_encrypt(const Tox_Pass_Key *key, const uint8_t plaintext[], si
  * @return true on success.
  */
 bool tox_pass_key_decrypt(const Tox_Pass_Key *key, const uint8_t ciphertext[], size_t ciphertext_len,
-                          uint8_t plaintext[], Tox_Err_Decryption *error);
+                          uint8_t plaintext[/*! ciphertext_len - TOX_PASS_ENCRYPTION_EXTRA_LENGTH */], Tox_Err_Decryption *error);
 
 typedef enum Tox_Err_Get_Salt {