htp file: constify name/data args

src/app-layer-htp-file.c

@@ -76,8 +76,9 @@
  *  \retval -1 error
  *  \retval -2 not handling files on this flow
  */
-int HTPFileOpen(HtpState *s, uint8_t *filename, uint16_t filename_len,
+int HTPFileOpen(HtpState *s, const uint8_t *filename, uint16_t filename_len,
-        uint8_t *data, uint32_t data_len, uint64_t txid, uint8_t direction)
+        const uint8_t *data, uint32_t data_len,
+        uint64_t txid, uint8_t direction)
 {
     int retval = 0;
     uint8_t flags = 0;
@@ -201,7 +202,7 @@ end:
  *  \retval -1 error
  *  \retval -2 file doesn't need storing
  */
-int HTPFileStoreChunk(HtpState *s, uint8_t *data, uint32_t data_len,
+int HTPFileStoreChunk(HtpState *s, const uint8_t *data, uint32_t data_len,
         uint8_t direction)
 {
     SCEnter();
@@ -255,7 +256,7 @@ end:
  *  \retval -1 error
  *  \retval -2 not storing files on this flow/tx
  */
-int HTPFileClose(HtpState *s, uint8_t *data, uint32_t data_len,
+int HTPFileClose(HtpState *s, const uint8_t *data, uint32_t data_len,
         uint8_t flags, uint8_t direction)
 {
     SCEnter();

src/app-layer-htp-file.h

@@ -25,9 +25,9 @@
 #ifndef __APP_LAYER_HTP_FILE_H__
 #define __APP_LAYER_HTP_FILE_H__
 
-int HTPFileOpen(HtpState *, uint8_t *, uint16_t, uint8_t *, uint32_t, uint64_t, uint8_t);
+int HTPFileOpen(HtpState *, const uint8_t *, uint16_t, const uint8_t *, uint32_t, uint64_t, uint8_t);
-int HTPFileStoreChunk(HtpState *, uint8_t *, uint32_t, uint8_t);
+int HTPFileStoreChunk(HtpState *, const uint8_t *, uint32_t, uint8_t);
-int HTPFileClose(HtpState *, uint8_t *, uint32_t, uint8_t, uint8_t);
+int HTPFileClose(HtpState *, const uint8_t *, uint32_t, uint8_t, uint8_t);
 
 void HTPFileParserRegisterTests(void);