net.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

#include <string.h>
#include "net.h"

int net_addr(const char *url, struct addr *adr, enum protocol prot_default) {
	char *prot_mark;
	if ((prot_mark = strstr(url, "://"))) {
		static struct {
			const char *str;
			enum protocol prot;
		} prot_str_tbl[] = {
			{ "gopher", PROT_GOPHER },
			{ "gemini", PROT_GEMINI },
			{ "file", PROT_FILE },
		};
		size_t n = prot_mark - url;
		adr->prot = PROT_UNKNOWN;
		for (size_t i = 0; i < sizeof prot_str_tbl / sizeof *prot_str_tbl; i++) {
			if (!strncmp(prot_str_tbl[i].str, url, n)) {
				adr->prot = prot_str_tbl[i].prot;
				break;
			}
		}
		url = prot_mark + 3;
	} else {
		adr->prot = prot_default;
	}
	adr->type = TYPE_PLAIN;
	adr->host_len = 0;
	size_t n = strlen(url);
	if (n > PATH_MAX) return -1;
	adr->path_len = n;
	memcpy(adr->path, url, n);
	return 0;
}