{
uint32_t offset_truncated = 0;
if (pfilefunc->zfile_func64.zseek64_file != NULL)
- return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
+ return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque, filestream, offset, origin);
offset_truncated = (uint32_t)offset;
if (offset_truncated != offset)
return -1;
- return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream, offset_truncated, origin);
+ return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque, filestream, offset_truncated, origin);
}
uint64_t call_ztell64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream)
p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file;
}
-static voidpf ZCALLBACK fopen_file_func(ZIP_UNUSED voidpf opaque, const char *filename, int mode);
static uint32_t ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uint32_t size);
static uint32_t ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uint32_t size);
static uint64_t ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream);
return (voidpf)ioposix;
}
-static voidpf ZCALLBACK fopen_file_func(ZIP_UNUSED voidpf opaque, const char *filename, int mode)
-{
- FILE* file = NULL;
- const char *mode_fopen = NULL;
- if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ)
- mode_fopen = "rb";
- else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
- mode_fopen = "r+b";
- else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
- mode_fopen = "wb";
-
- if ((filename != NULL) && (mode_fopen != NULL))
- {
- file = fopen(filename, mode_fopen);
- return file_build_ioposix(file, filename);
- }
- return file;
-}
-
static voidpf ZCALLBACK fopen64_file_func(ZIP_UNUSED voidpf opaque, const void *filename, int mode)
{
FILE* file = NULL;
return ret;
}
-static voidpf ZCALLBACK fopendisk_file_func(voidpf opaque, voidpf stream, uint32_t number_disk, int mode)
-{
- FILE_IOPOSIX *ioposix = NULL;
- char *diskFilename = NULL;
- voidpf ret = NULL;
- int i = 0;
-
- if (stream == NULL)
- return NULL;
- ioposix = (FILE_IOPOSIX*)stream;
- diskFilename = (char*)malloc(ioposix->filenameLength * sizeof(char));
- strncpy(diskFilename, (const char*)ioposix->filename, ioposix->filenameLength);
- for (i = ioposix->filenameLength - 1; i >= 0; i -= 1)
- {
- if (diskFilename[i] != '.')
- continue;
- snprintf(&diskFilename[i], ioposix->filenameLength - i, ".z%02u", number_disk + 1);
- break;
- }
- if (i >= 0)
- ret = fopen_file_func(opaque, diskFilename, mode);
- free(diskFilename);
- return ret;
-}
-
static uint32_t ZCALLBACK fread_file_func(ZIP_UNUSED voidpf opaque, voidpf stream, void* buf, uint32_t size)
{
FILE_IOPOSIX *ioposix = NULL;
return written;
}
-static long ZCALLBACK ftell_file_func(ZIP_UNUSED voidpf opaque, voidpf stream)
-{
- FILE_IOPOSIX *ioposix = NULL;
- long ret = -1;
- if (stream == NULL)
- return ret;
- ioposix = (FILE_IOPOSIX*)stream;
- ret = ftell(ioposix->file);
- return ret;
-}
-
static uint64_t ZCALLBACK ftell64_file_func(ZIP_UNUSED voidpf opaque, voidpf stream)
{
FILE_IOPOSIX *ioposix = NULL;
return ret;
}
-static long ZCALLBACK fseek_file_func(ZIP_UNUSED voidpf opaque, voidpf stream, uint32_t offset, int origin)
-{
- FILE_IOPOSIX *ioposix = NULL;
- int fseek_origin = 0;
- long ret = 0;
-
- if (stream == NULL)
- return -1;
- ioposix = (FILE_IOPOSIX*)stream;
-
- switch (origin)
- {
- case ZLIB_FILEFUNC_SEEK_CUR:
- fseek_origin = SEEK_CUR;
- break;
- case ZLIB_FILEFUNC_SEEK_END:
- fseek_origin = SEEK_END;
- break;
- case ZLIB_FILEFUNC_SEEK_SET:
- fseek_origin = SEEK_SET;
- break;
- default:
- return -1;
- }
- if (fseek(ioposix->file, offset, fseek_origin) != 0)
- ret = -1;
- return ret;
-}
-
static long ZCALLBACK fseek64_file_func(ZIP_UNUSED voidpf opaque, voidpf stream, uint64_t offset, int origin)
{
FILE_IOPOSIX *ioposix = NULL;
return ret;
}
-void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def)
-{
- pzlib_filefunc_def->zopen_file = fopen_file_func;
- pzlib_filefunc_def->zopendisk_file = fopendisk_file_func;
- pzlib_filefunc_def->zread_file = fread_file_func;
- pzlib_filefunc_def->zwrite_file = fwrite_file_func;
- pzlib_filefunc_def->ztell_file = ftell_file_func;
- pzlib_filefunc_def->zseek_file = fseek_file_func;
- pzlib_filefunc_def->zclose_file = fclose_file_func;
- pzlib_filefunc_def->zerror_file = ferror_file_func;
- pzlib_filefunc_def->opaque = NULL;
-}
-
void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def)
{
pzlib_filefunc_def->zopen64_file = fopen64_file_func;