Commit ddfadc8

Author	Mitja Felicijan <mitja.felicijan@gmail.com>	2025-01-09 09:36:24 +0100
Committer	Mitja Felicijan <mitja.felicijan@gmail.com>	2025-01-09 09:36:24 +0100
Commit	`ddfadc840cb02530e07ca33b83138ae1a5034227` (patch)

5 files changed, 102 insertions, 0 deletions

diff --git a/README.md b/README.md
...
36	\| [zig-embed](./zig-embed) \| zig-0.13.0 \| Embedding external resources in compiled binary. \|	36	\| [zig-embed](./zig-embed) \| zig-0.13.0 \| Embedding external resources in compiled binary. \|
37	\| [zig-struct-bin](./zig-struct-bin) \| zig-0.13.0 \| Save a struct into binary file and then reading it back. \|	37	\| [zig-struct-bin](./zig-struct-bin) \| zig-0.13.0 \| Save a struct into binary file and then reading it back. \|
38	\| [zig-elf](./zig-elf) \| zig-0.14.0 \| Read execution header of Elf64 format in Zig. \|	38	\| [zig-elf](./zig-elf) \| zig-0.14.0 \| Read execution header of Elf64 format in Zig. \|
		39	\| [c-bluetooth](./c-bluetooth) \| clang-17 \| Scans for all Bluetooth devices. \|
39		40
40	## License	41	## License
41		42
...

diff --git a/c-bluetooth/Makefile b/c-bluetooth/Makefile
	1	scan: scan.c
	2	cc -o scan scan.c -lbluetooth
	3
	4	provision:
	5	sudo apt-get install libbluetooth-dev
	6

diff --git a/c-bluetooth/connect.c b/c-bluetooth/connect.c
	1	#include <stdio.h>
	2	#include <stdlib.h>
	3	#include <unistd.h>
	4	#include <sys/socket.h>
	5	#include <bluetooth/bluetooth.h>
	6	#include <bluetooth/hci.h>
	7	#include <bluetooth/hci_lib.h>
	8
	9	int main(int argc, char **argv) {
	10	inquiry_info *ii = NULL;
	11	int max_rsp, num_rsp;
	12	int dev_id, sock, len, flags;
	13	int i;
	14	char addr[19] = { 0 };
	15	char name[248] = { 0 };
	16
	17	dev_id = hci_get_route(NULL);
	18	sock = hci_open_dev( dev_id );
	19	if (dev_id < 0 \|\| sock < 0) {
	20	perror("opening socket");
	21	exit(1);
	22	}
	23
	24	len = 8;
	25	max_rsp = 255;
	26	flags = IREQ_CACHE_FLUSH;
	27	ii = (inquiry_info)malloc(max_rsp sizeof(inquiry_info));
	28
	29	num_rsp = hci_inquiry(dev_id, len, max_rsp, NULL, &ii, flags);
	30	if( num_rsp < 0 ) {
	31	perror("hci_inquiry");
	32	}
	33
	34	for (i = 0; i < num_rsp; i++) {
	35	ba2str(&(ii+i)->bdaddr, addr);
	36	memset(name, 0, sizeof(name));
	37	if (hci_read_remote_name(sock, &(ii+i)->bdaddr, sizeof(name), name, 0) < 0) {
	38	strcpy(name, "[unknown]");
	39	}
	40	printf("%s %s\n", addr, name);
	41	}
	42
	43	free(ii);
	44	close(sock);
	45	return 0;
	46	}
	47

diff --git a/c-bluetooth/scan.c b/c-bluetooth/scan.c
	1	#include <stdio.h>
	2	#include <stdlib.h>
	3	#include <unistd.h>
	4	#include <sys/socket.h>
	5	#include <bluetooth/bluetooth.h>
	6	#include <bluetooth/hci.h>
	7	#include <bluetooth/hci_lib.h>
	8
	9	int main(int argc, char **argv) {
	10	inquiry_info *ii = NULL;
	11	int max_rsp, num_rsp;
	12	int dev_id, sock, len, flags;
	13	int i;
	14	char addr[19] = { 0 };
	15	char name[248] = { 0 };
	16
	17	dev_id = hci_get_route(NULL);
	18	sock = hci_open_dev( dev_id );
	19	if (dev_id < 0 \|\| sock < 0) {
	20	perror("opening socket");
	21	exit(1);
	22	}
	23
	24	len = 8;
	25	max_rsp = 255;
	26	flags = IREQ_CACHE_FLUSH;
	27	ii = (inquiry_info)malloc(max_rsp sizeof(inquiry_info));
	28
	29	num_rsp = hci_inquiry(dev_id, len, max_rsp, NULL, &ii, flags);
	30	if(num_rsp < 0) {
	31	perror("hci_inquiry");
	32	}
	33
	34	for (i = 0; i < num_rsp; i++) {
	35	ba2str(&(ii+i)->bdaddr, addr);
	36	memset(name, 0, sizeof(name));
	37	if (hci_read_remote_name(sock, &(ii+i)->bdaddr, sizeof(name), name, 0) < 0) {
	38	strcpy(name, "[unknown]");
	39	}
	40	printf("%s %s\n", addr, name);
	41	}
	42
	43	free(ii);
	44	close(sock);
	45	return 0;
	46	}
	47

diff --git a/shell.nix b/shell.nix
...
15	lldb	15	lldb
16		16
17	# Dev libraries and deps.	17	# Dev libraries and deps.
		18	bluez
18	xorg.libX11	19	xorg.libX11
19	xorg.libX11.dev	20	xorg.libX11.dev
20	];	21	];
...