2 * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include "telescope.h"
30 if ((flags = fcntl(fd, F_GETFL)) == -1)
32 if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1)
38 has_prefix(const char *str, const char *prfx)
42 for (i = 0; str[i] != '\0' && prfx[i] != '\0'; ++i)
43 if (str[i] != prfx[i])
45 return prfx[i] == '\0';
49 unicode_isspace(uint32_t cp)
57 unicode_isgraph(uint32_t cp)
65 dispatch_imsg(struct imsgbuf *ibuf, imsg_handlerfn **handlers, size_t size)
71 if ((n = imsg_read(ibuf)) == -1) {
72 if (errno == EAGAIN || errno == EWOULDBLOCK)
81 if ((n = imsg_get(ibuf, &imsg)) == -1)
85 datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
87 if (i > (size / sizeof(imsg_handlerfn*)) || handlers[i] == NULL)
89 handlers[i](&imsg, datalen);