[C语言] 文件操作,解压SZB格式中的一段函数片段;
fseek( fd, 8192 , SEEK_SET); /* 跳转至数据段 */ //开始解压数据; int size,n; char image_name[32]=""; for( i=0; i < imagecount ; i++ ){ size = images[i].imagesize; /* 获取镜像的大小 */ unsigned char buffer[size]; /* 创建缓冲区 */ strncpy(image_name,images[i].filename,sizeof(image_name)); if ( size != 0) { strncpy(buffer,"",sizeof(buffer)); /* 清空缓冲区内容 */ if ( ( ft=fopen(images[i].filename,"wb") ) == NULL ){ printf("解压szb时,打开%s失败!\n",image_name); } printf("解压文件:%s \n", image_name); n = fread(buffer, 1, size, fd ); fwrite(buffer, 1, n, ft); fclose(ft); } } fclose(fd); }