| /samples/hidraw/ |
| D | hid-example.c | 46 char buf[256]; in main() local
65 memset(buf, 0x0, sizeof(buf)); in main()
87 res = ioctl(fd, HIDIOCGRAWNAME(256), buf); in main()
91 printf("Raw Name: %s\n", buf); in main()
94 res = ioctl(fd, HIDIOCGRAWPHYS(256), buf); in main()
98 printf("Raw Phys: %s\n", buf); in main()
113 buf[0] = 0x9; /* Report Number */ in main()
114 buf[1] = 0xff; in main()
115 buf[2] = 0xff; in main()
116 buf[3] = 0xff; in main()
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| /samples/kfifo/ |
| D | record-example.c | 73 char buf[100]; in testfunc() local
76 struct { unsigned char buf[6]; } hello = { "hello" }; in testfunc() member
87 memset(buf, 'a' + i, i + 1); in testfunc()
88 kfifo_in(&test, buf, i + 1); in testfunc()
98 ret = kfifo_out_peek(&test, buf, sizeof(buf)); in testfunc()
100 printk(KERN_INFO "%.*s\n", ret, buf); in testfunc()
105 ret = kfifo_out(&test, buf, sizeof(buf)); in testfunc()
106 buf[ret] = '\0'; in testfunc()
107 printk(KERN_INFO "item = %.*s\n", ret, buf); in testfunc()
108 if (strcmp(buf, expected_result[i++])) { in testfunc()
[all …]
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| D | bytestream-example.c | 56 unsigned char buf[6]; in testfunc() local
73 i = kfifo_out(&test, buf, 5); in testfunc()
74 printk(KERN_INFO "buf: %.*s\n", i, buf); in testfunc()
77 ret = kfifo_out(&test, buf, 2); in testfunc()
80 ret = kfifo_in(&test, buf, ret); in testfunc()
115 static ssize_t fifo_write(struct file *file, const char __user *buf, in fifo_write() argument
124 ret = kfifo_from_user(&test, buf, count, &copied); in fifo_write()
131 static ssize_t fifo_read(struct file *file, char __user *buf, in fifo_read() argument
140 ret = kfifo_to_user(&test, buf, count, &copied); in fifo_read()
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| D | inttype-example.c | 56 int buf[6]; in testfunc() local
70 ret = kfifo_out(&test, buf, 2); in testfunc()
73 ret = kfifo_in(&test, buf, ret); in testfunc()
108 static ssize_t fifo_write(struct file *file, const char __user *buf, in fifo_write() argument
117 ret = kfifo_from_user(&test, buf, count, &copied); in fifo_write()
124 static ssize_t fifo_read(struct file *file, char __user *buf, in fifo_read() argument
133 ret = kfifo_to_user(&test, buf, count, &copied); in fifo_read()
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| /samples/kobject/ |
| D | kobject-example.c | 31 char *buf) in foo_show() argument
33 return sprintf(buf, "%d\n", foo); in foo_show()
37 const char *buf, size_t count) in foo_store() argument
41 ret = kstrtoint(buf, 10, &foo); in foo_store()
57 char *buf) in b_show() argument
65 return sprintf(buf, "%d\n", var); in b_show()
69 const char *buf, size_t count) in b_store() argument
73 ret = kstrtoint(buf, 10, &var); in b_store()
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| D | kset-example.c | 42 ssize_t (*show)(struct foo_obj *foo, struct foo_attribute *attr, char *buf);
43 ssize_t (*store)(struct foo_obj *foo, struct foo_attribute *attr, const char *buf, size_t count);
56 char *buf) in foo_attr_show() argument
67 return attribute->show(foo, attribute, buf); in foo_attr_show()
76 const char *buf, size_t len) in foo_attr_store() argument
87 return attribute->store(foo, attribute, buf, len); in foo_attr_store()
115 char *buf) in foo_show() argument
117 return sprintf(buf, "%d\n", foo_obj->foo); in foo_show()
121 const char *buf, size_t count) in foo_store() argument
125 ret = kstrtoint(buf, 10, &foo_obj->foo); in foo_store()
[all …]
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| /samples/bpf/ |
| D | bpf_load.c | 56 char buf[256]; in load_and_attach() local
117 snprintf(buf, sizeof(buf), in load_and_attach()
120 err = system(buf); in load_and_attach()
127 strcpy(buf, DEBUGFS); in load_and_attach()
128 strcat(buf, "events/kprobes/"); in load_and_attach()
129 strcat(buf, event); in load_and_attach()
130 strcat(buf, "/id"); in load_and_attach()
138 strcpy(buf, DEBUGFS); in load_and_attach()
139 strcat(buf, "events/"); in load_and_attach()
140 strcat(buf, event); in load_and_attach()
[all …]
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| D | test_overhead_user.c | 38 char buf[] = "test\n"; in test_task_rename() local
48 write(fd, buf, sizeof(buf)); in test_task_rename()
57 char buf[4]; in test_urandom_read() local
67 read(fd, buf, sizeof(buf)); in test_urandom_read()
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| D | trace_output_user.c | 70 char buf[256]; in perf_event_read() local
89 memcpy(buf, begin, len); in perf_event_read()
90 memcpy(buf + len, base, e->header.size - len); in perf_event_read()
91 e = (void *) buf; in perf_event_read()
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| D | xdp1_user.c | 25 char buf[4096]; in set_link_xdp_fd() local
74 len = recv(sock, buf, sizeof(buf), 0); in set_link_xdp_fd()
80 for (nh = (struct nlmsghdr *)buf; NLMSG_OK(nh, len); in set_link_xdp_fd()
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| D | bpf_helpers.h | 32 static int (*bpf_get_current_comm)(void *buf, int buf_size) =
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| /samples/connector/ |
| D | ucon.c | 65 char buf[128]; in netlink_send() local
70 nlh = (struct nlmsghdr *)buf; in netlink_send()
114 char buf[1024]; in main() local
151 memset(buf, 0, sizeof(buf)); in main()
180 memset(buf, 0, sizeof(buf)); in main()
182 data = (struct cn_msg *)buf; in main()
221 memset(buf, 0, sizeof(buf)); in main()
222 len = recv(s, buf, sizeof(buf), 0); in main()
228 reply = (struct nlmsghdr *)buf; in main()
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| /samples/seccomp/ |
| D | bpf-fancy.c | 33 char buf[256]; in main() local
47 JNE((unsigned long)buf, DENY), in main()
49 JGE(sizeof(buf), DENY), in main()
62 JEQ((unsigned long)buf, JUMP(&l, buf_len)), in main()
77 JLT(sizeof(buf), ALLOW), in main()
97 bytes = syscall(__NR_read, STDIN_FILENO, buf, sizeof(buf)-1); in main()
100 syscall(__NR_write, STDERR_FILENO, buf, bytes); in main()
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| D | bpf-direct.c | 65 char *buf; in emulator() local
73 buf = (char *) ctx->uc_mcontext.gregs[REG_ARG1]; in emulator()
83 bytes = write(STDOUT_FILENO, buf, len); in emulator()
165 char buf[4096]; in main() local
173 bytes = syscall(__NR_read, STDIN_FILENO, buf, sizeof(buf)); in main()
175 syscall(__NR_write, STDOUT_FILENO, buf, bytes); in main()
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| /samples/uhid/ |
| D | uhid-example.c | 302 char buf[128]; in keyboard() local
305 ret = read(STDIN_FILENO, buf, sizeof(buf)); in keyboard()
315 switch (buf[i]) { in keyboard()
379 fprintf(stderr, "Invalid input: %c\n", buf[i]); in keyboard()
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| /samples/v4l/ |
| D | v4l2-pci-skeleton.c | 216 struct skel_buffer *buf = to_skel_buffer(vb); in buffer_queue() local
220 list_add_tail(&buf->list, &skel->buf_list); in buffer_queue()
230 struct skel_buffer *buf, *node; in return_all_buffers() local
234 list_for_each_entry_safe(buf, node, &skel->buf_list, list) { in return_all_buffers()
235 vb2_buffer_done(&buf->vb, state); in return_all_buffers()
236 list_del(&buf->list); in return_all_buffers()
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