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143 lines
2.8 KiB
C
143 lines
2.8 KiB
C
/* Copyright (c) 2015, Michael Santos <michael.santos@gmail.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "xmppipe.h"
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#include <fcntl.h>
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int
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xmppipe_set_nonblock(int fd)
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{
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int flags = 0;
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flags = fcntl(fd, F_GETFD);
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if (flags < 0)
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return -1;
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if (fcntl(fd, F_SETFD, flags|O_NONBLOCK) < 0)
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return -1;
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return 0;
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}
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char *
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xmppipe_getenv(const char *s)
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{
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char *p = getenv(s);
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if (!p)
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return NULL;
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return xmppipe_strdup(p);
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}
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char *
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xmppipe_strdup(const char *s)
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{
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char *buf = NULL;
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if (!*s)
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errx(2, "invalid string");
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buf = strdup(s);
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if (!buf)
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err(3, "allocation failure");
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return buf;
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}
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void *
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xmppipe_malloc(size_t size)
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{
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char *buf = NULL;
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if (size == 0 || size > 0xffff)
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errx(2, "invalid size: %zd", size);
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buf = malloc(size);
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if (!buf)
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err(3, "allocation failure");
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return buf;
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}
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void *
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xmppipe_calloc(size_t nmemb, size_t size)
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{
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char *buf = NULL;
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/* XXX overflow */
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buf = calloc(nmemb, size);
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if (!buf)
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err(3, "allocation failure");
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return buf;
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}
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char *
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xmppipe_servername(char *jid)
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{
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char *buf = xmppipe_strdup(jid);
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char *p = strchr(buf, '@');
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char *q;
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if (!p)
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return NULL;
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*p++ = '\0';
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q = xmppipe_strdup(p);
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free(buf);
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return q;
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}
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char *
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xmppipe_conference(char *room, char *mucservice)
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{
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size_t len = strlen(room) + 1 + strlen(mucservice) + 1;
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char *buf = xmppipe_malloc(len);
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(void)snprintf(buf, len, "%s@%s", room, mucservice);
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return buf;
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}
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char *
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xmppipe_mucjid(char *muc, char *resource)
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{
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size_t len = strlen(muc) + 1 + strlen(resource) + 1;
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char *buf = xmppipe_malloc(len);
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(void)snprintf(buf, len, "%s/%s", muc, resource);
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return buf;
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}
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char *
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xmppipe_roomname(char *label)
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{
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char *buf = NULL;
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size_t len = 64;
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char name[16] = {0};
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buf = xmppipe_malloc(len);
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(void)gethostname(name, sizeof(name));
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name[sizeof(name)-1] = '\0';
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(void)snprintf(buf, len, "%s-%s-%d", label, name, getpid());
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return buf;
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}
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