diff options
Diffstat (limited to 'src/common/grfio.c')
| -rw-r--r-- | src/common/grfio.c | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/src/common/grfio.c b/src/common/grfio.c index 614678da8..b59c2b63d 100644 --- a/src/common/grfio.c +++ b/src/common/grfio.c @@ -47,7 +47,6 @@ typedef struct FILELIST { // (NOTE: probably meant to be used to override grf contents by files in the data directory) //#define GRFIO_LOCAL - // stores info about every loaded file FILELIST* filelist = NULL; int filelist_entrys = 0; @@ -61,14 +60,12 @@ int gentry_maxentry = 0; // the path to the data directory char data_dir[1024] = ""; - // little endian char array to uint conversion static unsigned int getlong(unsigned char* p) { return (p[0] << 0 | p[1] << 8 | p[2] << 16 | p[3] << 24); } - static void NibbleSwap(unsigned char* src, int len) { while( len > 0 ) @@ -79,7 +76,6 @@ static void NibbleSwap(unsigned char* src, int len) } } - /// Substitutes some specific values for others, leaves rest intact. Obfuscation. /// NOTE: Operation is symmetric (calling it twice gives back the original input). static uint8_t grf_substitution(uint8_t in) @@ -142,7 +138,6 @@ static void grf_shuffle_dec(BIT64* src) *src = out; } - static void grf_decode_header(unsigned char* buf, size_t len) { BIT64* p = (BIT64*)buf; @@ -156,7 +151,6 @@ static void grf_decode_header(unsigned char* buf, size_t len) // the rest is plaintext, done. } - static void grf_decode_full(unsigned char* buf, size_t len, int cycle) { BIT64* p = (BIT64*)buf; @@ -195,7 +189,6 @@ static void grf_decode_full(unsigned char* buf, size_t len, int cycle) } } - /// Decodes grf data. /// @param buf data to decode (in-place) /// @param len length of the data @@ -235,7 +228,6 @@ static void grf_decode(unsigned char* buf, size_t len, char entry_type, int entr } } - /****************************************************** *** Zlib Subroutines *** ******************************************************/ @@ -246,14 +238,12 @@ unsigned long grfio_crc32(const unsigned char* buf, unsigned int len) return crc32(crc32(0L, Z_NULL, 0), buf, len); } - /// zlib uncompress int decode_zip(void* dest, unsigned long* destLen, const void* source, unsigned long sourceLen) { return uncompress((Bytef*)dest, destLen, (const Bytef*)source, sourceLen); } - /// zlib compress int encode_zip(void* dest, unsigned long* destLen, const void* source, unsigned long sourceLen) { if( *destLen == 0 ) /* [Ind/Hercules] */ @@ -264,7 +254,6 @@ int encode_zip(void* dest, unsigned long* destLen, const void* source, unsigned return compress((Bytef*)dest, destLen, (const Bytef*)source, sourceLen); } - /*********************************************************** *** File List Subroutines *** ***********************************************************/ @@ -370,12 +359,10 @@ static void filelist_compact(void) } } - /*********************************************************** *** Grfio Subroutines *** ***********************************************************/ - /// Combines are resource path with the data folder location to create local resource path. static void grfio_localpath_create(char* buffer, size_t size, const char* filename) { @@ -399,7 +386,6 @@ static void grfio_localpath_create(char* buffer, size_t size, const char* filena buffer[i] = '/'; } - /// Reads a file into a newly allocated buffer (from grf or data directory). void *grfio_reads(const char *fname, int *size) { @@ -449,7 +435,7 @@ void *grfio_reads(const char *fname, int *size) // Archive[GRF] File Read char *grfname = gentry_table[entry->gentry - 1]; FILE *in = fopen(grfname, "rb"); - + if (in != NULL) { int fsize = entry->srclen_aligned; unsigned char *buf = (unsigned char *)aMalloc(fsize); @@ -496,7 +482,6 @@ void *grfio_reads(const char *fname, int *size) return NULL; } - /// Decodes encrypted filename from a version 01xx grf index. static char* decode_filename(unsigned char* buf, int len) { @@ -508,7 +493,6 @@ static char* decode_filename(unsigned char* buf, int len) return (char*)buf; } - /// Compares file extension against known large file types. /// @return true if the file should undergo full mode 0 decryption, and true otherwise. static bool isFullEncrypt(const char* fname) @@ -525,7 +509,6 @@ static bool isFullEncrypt(const char* fname) return true; } - /// Loads all entries in the specified grf file into the filelist. /// @param gentry index of the grf file name in the gentry_table static int grfio_entryread(const char *grfname, int gentry) @@ -691,7 +674,6 @@ static int grfio_entryread(const char *grfname, int gentry) return 0; // 0:no error } - static bool grfio_parse_restable_row(const char* row) { char w1[256], w2[256]; @@ -733,7 +715,6 @@ static bool grfio_parse_restable_row(const char* row) return false; } - /// Grfio Resource file check. static void grfio_resourcecheck(void) { @@ -785,7 +766,6 @@ static void grfio_resourcecheck(void) } } - /// Reads a grf file and adds it to the list. static int grfio_add(const char* fname) { @@ -802,7 +782,6 @@ static int grfio_add(const char* fname) return grfio_entryread(fname, gentry_entrys - 1); } - /// Finalizes grfio. void grfio_final(void) { @@ -829,7 +808,6 @@ void grfio_final(void) gentry_entrys = gentry_maxentry = 0; } - /// Initializes grfio. void grfio_init(const char* fname) { |