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/DragonOS-0.1.8/kernel/src/libs/libUI/ !
Dscreen_manager.c32 …struct scm_buffer_info_t *buf = (struct scm_buffer_info_t *)kmalloc(sizeof(struct scm_buffer_info_… in __create_buffer() local
33 if (buf == NULL) in __create_buffer()
35 memset(buf, 0, sizeof(struct scm_buffer_info_t)); in __create_buffer()
36 buf->bit_depth = video_frame_buffer_info.bit_depth; in __create_buffer()
37 buf->flags = SCM_BF_DB; in __create_buffer()
40 buf->flags |= SCM_BF_PIXEL; in __create_buffer()
42 buf->flags |= SCM_BF_TEXT; in __create_buffer()
43 buf->height = video_frame_buffer_info.height; in __create_buffer()
44 buf->width = video_frame_buffer_info.width; in __create_buffer()
45 buf->size = video_frame_buffer_info.size; in __create_buffer()
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Dscreen_manager.h36 int (*install)(struct scm_buffer_info_t *buf); // 安装ui框架的回调函数
40 int (*change)(struct scm_buffer_info_t *buf); // 改变ui框架的帧缓冲区的回调函数
49 struct scm_buffer_info_t *buf; member
Dtextui.c72 int textui_install_handler(struct scm_buffer_info_t *buf) in textui_install_handler() argument
98 int textui_change_handler(struct scm_buffer_info_t *buf) in textui_change_handler() argument
100 memcpy((void *)buf->vaddr, (void *)(textui_framework.buf->vaddr), textui_framework.buf->size); in textui_change_handler()
101 textui_framework.buf = buf; in textui_change_handler()
340 uint16_t chars_per_vline = textui_framework.buf->width / TEXTUI_CHAR_WIDTH; in textui_init()
341 uint16_t total_vlines = textui_framework.buf->height / TEXTUI_CHAR_HEIGHT; in textui_init()
357 __private_info.actual_line = textui_framework.buf->height / TEXTUI_CHAR_HEIGHT; in textui_init()
/DragonOS-0.1.8/user/apps/shell/ !
Dshell.c22 int shell_readline(int fd, char *buf);
110 void clear_command(int count, char *buf) in clear_command() argument
114 memset(buf, 0, sizeof(buf)); in clear_command()
122 void change_command(char *buf, int type) in change_command() argument
141 strcpy(buf, history_commands[current_command_index]); in change_command()
142 printf("%s", buf); in change_command()
152 int shell_readline(int fd, char *buf) in shell_readline() argument
173 clear_command(count, buf); in shell_readline()
176 change_command(buf, 1); in shell_readline()
177 count = strlen(buf); in shell_readline()
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Dcmd.c262 struct dirent *buf = NULL; in shell_cmd_ls() local
267 buf = readdir(dir); in shell_cmd_ls()
268 if (buf == NULL) in shell_cmd_ls()
272 if (buf->d_type == DT_DIR) in shell_cmd_ls()
274 else if (buf->d_type == DT_REG) in shell_cmd_ls()
276 else if (buf->d_type == DT_BLK || buf->d_type == DT_CHR) in shell_cmd_ls()
281 sprintf(output_buf, "%s ", buf->d_name); in shell_cmd_ls()
333 char *buf = (char *)malloc(512); in shell_cmd_cat() local
337 memset(buf, 0, 512); in shell_cmd_cat()
338 int l = read(fd, buf, 511); in shell_cmd_cat()
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Dcmd_test.c32 char buf[buf_SIZE] = {0}; in shell_pipe_test() local
33 n = read(fd[0], buf, buf_SIZE); // 从管道的读端读取一条消息 in shell_pipe_test()
37 printf("Child process received message: %s\n", buf); // 打印收到的消息 in shell_pipe_test()
38 if (strcmp(buf, "quit") == 0) in shell_pipe_test()
/DragonOS-0.1.8/kernel/src/driver/tty/ !
Dmod.rs105 pub fn input(&self, buf: &[u8], block: bool) -> Result<usize, TtyError> { in input()
107 let val = self.write_stdin(buf, block)?; in input()
110 self.write_output(&buf[0..val], true)?; in input()
122 pub fn output(&self, buf: &mut [u8], block: bool) -> Result<usize, TtyError> { in output()
123 return self.read_output(buf, block); in output()
133 pub fn stdout(&self, buf: &[u8], block: bool) -> Result<usize, TtyError> { in stdout()
134 return self.write_output(buf, block); in stdout()
144 pub fn stderr(&self, buf: &[u8], block: bool) -> Result<usize, TtyError> { in stderr()
145 return self.write_output(buf, block); in stderr()
155 pub fn read_stdin(&self, buf: &mut [u8], block: bool) -> Result<usize, TtyError> { in read_stdin()
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Dtty_device.rs78 pub fn check_rw_param(&self, len: usize, buf: &[u8]) -> Result<(), SystemError> { in check_rw_param()
79 if len > buf.len() { in check_rw_param()
86 pub fn input(&self, buf: &[u8]) -> Result<usize, SystemError> { in input()
87 let r: Result<usize, TtyError> = self.core.input(buf, false); in input()
146 buf: &mut [u8], in read_at()
156 self.check_rw_param(len, buf)?; in read_at()
159 let r: Result<usize, TtyError> = self.core.read_stdin(&mut buf[0..len], true); in read_at()
180 buf: &[u8], in write_at()
191 self.check_rw_param(len, buf)?; in write_at()
195 self.core.stdout(&buf[0..len], true) in write_at()
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/DragonOS-0.1.8/user/libs/libc/src/ !
Dstdio.c10 char *buf = malloc(bufsize); in fprintf() local
11 memset(buf, 0, bufsize); in fprintf()
15 vsprintf(buf, format, args); in fprintf()
18 int len = strlen(buf); in fprintf()
22 buf[bufsize - 1] = 0; in fprintf()
24 write(stream->fd, buf, len); in fprintf()
25 free(buf); in fprintf()
Dunistd.c28 ssize_t read(int fd, void *buf, size_t count) in read() argument
30 return (ssize_t)syscall_invoke(SYS_READ, fd, (uint64_t)buf, count, 0, 0, 0, 0, 0); in read()
41 ssize_t write(int fd, void const *buf, size_t count) in write() argument
43 return (ssize_t)syscall_invoke(SYS_WRITE, fd, (uint64_t)buf, count, 0, 0, 0, 0, 0); in write()
195 unsigned char buf[32]; in swab() local
202 memcpy(buf, _src, transfer); in swab()
204 memcpy(_dest, buf, transfer); in swab()
Ddirent.c70 memset((dir->buf), 0, DIR_BUF_SIZE); in readdir()
72 int len = getdents(dir->fd, (struct dirent *)dir->buf, DIR_BUF_SIZE); in readdir()
75 return (struct dirent *)dir->buf; in readdir()
Dprintf.c43 char buf[4096]; in printf() local
48 count = vsprintf(buf, fmt, args); in printf()
51 write(1, buf, count); in printf()
55 int sprintf(char *buf, const char *fmt, ...) in sprintf() argument
61 count = vsprintf(buf, fmt, args); in sprintf()
74 int vsprintf(char *buf, const char *fmt, va_list args) in vsprintf() argument
81 str = buf; in vsprintf()
325 *ip = str - buf; in vsprintf()
349 return str - buf; in vsprintf()
/DragonOS-0.1.8/kernel/src/libs/ !
Dvec_cursor.rs101 pub fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), SystemError> { in read_exact()
102 if self.pos + buf.len() > self.data.len() { in read_exact()
105 buf.copy_from_slice(&self.data[self.pos..self.pos + buf.len()]); in read_exact()
106 self.pos += buf.len(); in read_exact()
113 pub fn read_u16_into(&mut self, buf: &mut [u16]) -> Result<(), SystemError> { in read_u16_into()
114 if self.pos + buf.len() * size_of::<u16>() > self.data.len() * size_of::<u16>() { in read_u16_into()
118 for i in 0..buf.len() { in read_u16_into()
119 buf[i] = self.read_u16()?; in read_u16_into()
216 pub fn write_exact(&mut self, buf: &[u8]) -> Result<(), SystemError> { in write_exact()
217 if self.pos + buf.len() > self.data.len() { in write_exact()
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Dunistd.c26 unsigned char buf[32]; in swab() local
33 memcpy(buf, _src, transfer); in swab()
35 memcpy(_dest, buf, transfer); in swab()
Dprintk.c54 static int __do_vsprintf(char *buf, const char *fmt, int buf_size, va_list args) in __do_vsprintf() argument
62 str = buf; in __do_vsprintf()
72 end = buf + buf_size; in __do_vsprintf()
310 *ip = str - buf; in __do_vsprintf()
354 return str - buf; in __do_vsprintf()
364 int vsprintf(char *buf, const char *fmt, va_list args) in vsprintf() argument
366 return __do_vsprintf(buf, fmt, -1, args); in vsprintf()
378 int vsnprintf(char *buf, const char *fmt, int buf_size, va_list args) in vsnprintf() argument
380 return __do_vsprintf(buf, fmt, buf_size, args); in vsnprintf()
602 char buf[4096]; // vsprintf()的缓冲区 in printk_color() local
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/DragonOS-0.1.8/kernel/src/common/ !
Dstdio.h11 extern int vsprintf(char *buf, const char *fmt, va_list args);
13 extern int sprintk(char *buf, const char *fmt, ...);
Dprintk.h50 int vsprintf(char *buf, const char *fmt, va_list args);
61 int vsnprintf(char *buf, const char *fmt, int buf_size, va_list args);
83 int sprintk(char *buf, const char *fmt, ...);
/DragonOS-0.1.8/kernel/src/driver/disk/ !
Data.c24 unsigned char buf[64]; in ata_disk_handler() local
30 buf[js++]=(info.Serial_Number[i] & 0xff); in ata_disk_handler()
32 buf[js] = '\0'; in ata_disk_handler()
33 printk("%s", buf); in ata_disk_handler()
/DragonOS-0.1.8/kernel/src/driver/disk/ahci/ !
Dahcidisk.rs57 buf: &mut [u8], in read_at()
61 if count * 512 > buf.len() || check_length > u16::MAX as usize { in read_at()
98 let mut buf_ptr = buf as *mut [u8] as *mut usize as usize; in read_at()
102 let user_buf = if unsafe { verify_area(buf_ptr as u64, buf.len() as u64) } { in read_at()
108 let mut x: Vec<u8> = Vec::with_capacity(buf.len()); in read_at()
110 x.set_len(buf.len()); in read_at()
204 buf.copy_from_slice(kbuf.as_ref().unwrap()); in read_at()
216 buf: &[u8], in write_at()
220 if count * 512 > buf.len() || check_length > u16::MAX as usize { in write_at()
260 let mut buf_ptr = buf as *const [u8] as *mut usize as usize; in write_at()
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Dahci_inode.rs119 buf: &mut [u8], in read_at()
122 if buf.len() < len { in read_at()
127 return self.0.lock().disk.read_at(offset, len, buf); in read_at()
138 buf: &[u8], in write_at()
141 if buf.len() < len { in write_at()
146 return self.0.lock().disk.write_at(offset, len, buf); in write_at()
/DragonOS-0.1.8/kernel/src/ipc/ !
Dpipe.rs79 buf: &mut [u8], in read_at()
82 if buf.len() < len { in read_at()
118 buf[0..(PIPE_BUFF_SIZE - start)].copy_from_slice(&inode.data[start..PIPE_BUFF_SIZE]); in read_at()
119 buf[(PIPE_BUFF_SIZE - start)..num].copy_from_slice(&inode.data[0..end]); in read_at()
121 buf[0..num].copy_from_slice(&inode.data[start..end]); in read_at()
158 buf: &[u8], in write_at()
161 if buf.len() < len || len > PIPE_BUFF_SIZE { in write_at()
190 inode.data[start..PIPE_BUFF_SIZE].copy_from_slice(&buf[0..(PIPE_BUFF_SIZE - start)]); in write_at()
191 inode.data[0..end].copy_from_slice(&buf[(PIPE_BUFF_SIZE - start)..len]); in write_at()
193 inode.data[start..end].copy_from_slice(&buf[0..len]); in write_at()
/DragonOS-0.1.8/kernel/src/io/ !
Ddevice.rs35 fn read_at(&self, offset: usize, len: usize, buf: &mut [u8]) -> Result<usize, SystemError>; in read_at()
42 fn write_at(&self, offset: usize, len: usize, buf: &[u8]) -> Result<usize, SystemError>; in write_at()
64 buf: &mut [u8], in read_at()
78 buf: &[u8], in write_at()
109 fn read_at(&self, offset: usize, len: usize, buf: &mut [u8]) -> Result<usize, SystemError> { in read_at()
110 if len > buf.len() { in read_at()
121 let buf_slice = &mut buf[buf_begin..buf_end]; in read_at()
145 fn write_at(&self, offset: usize, len: usize, buf: &[u8]) -> Result<usize, SystemError> { in write_at()
147 if len > buf.len() { in write_at()
157 let buf_slice = &buf[buf_begin..buf_end]; in write_at()
/DragonOS-0.1.8/kernel/src/filesystem/devfs/ !
Dzero_dev.rs113 buf: &mut [u8], in read_at()
116 if buf.len() < len { in read_at()
121 buf[i] = 0; in read_at()
132 buf: &[u8], in write_at()
135 if buf.len() < len { in write_at()
/DragonOS-0.1.8/user/libs/libc/src/include/export/ !
Dunistd.h25 ssize_t read(int fd, void *buf, size_t count);
35 ssize_t write(int fd, void const *buf, size_t count);
Dstdio.h50 int sprintf(char *buf, const char *fmt, ...);
51 int vsprintf(char *buf, const char *fmt, va_list args);

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