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Annotation of src/usr.bin/tmux/client-fn.c, Revision 1.3

1.3     ! nicm        1: /* $OpenBSD: client-fn.c,v 1.2 2009/07/26 12:58:44 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20:
                     21: #include <stdlib.h>
                     22: #include <string.h>
                     23:
                     24: #include "tmux.h"
                     25:
                     26: void
                     27: client_fill_session(struct msg_command_data *data)
                     28: {
                     29:        char            *env, *ptr1, *ptr2, buf[256];
                     30:        size_t           len;
                     31:        const char      *errstr;
                     32:        long long        ll;
                     33:
                     34:        data->pid = -1;
                     35:        if ((env = getenv("TMUX")) == NULL)
                     36:                return;
                     37:
                     38:        if ((ptr2 = strrchr(env, ',')) == NULL || ptr2 == env)
                     39:                return;
                     40:        for (ptr1 = ptr2 - 1; ptr1 > env && *ptr1 != ','; ptr1--)
                     41:                ;
                     42:        if (*ptr1 != ',')
                     43:                return;
                     44:        ptr1++;
                     45:        ptr2++;
                     46:
                     47:        len = ptr2 - ptr1 - 1;
                     48:        if (len > (sizeof buf) - 1)
                     49:                return;
                     50:        memcpy(buf, ptr1, len);
                     51:        buf[len] = '\0';
                     52:
                     53:        ll = strtonum(buf, 0, LONG_MAX, &errstr);
                     54:        if (errstr != NULL)
                     55:                return;
                     56:        data->pid = ll;
                     57:
                     58:        ll = strtonum(ptr2, 0, UINT_MAX, &errstr);
                     59:        if (errstr != NULL)
                     60:                return;
                     61:        data->idx = ll;
                     62: }
                     63:
                     64: void
                     65: client_write_server(
1.3     ! nicm       66:     struct client_ctx *cctx, enum msgtype type, void *buf, size_t len)
1.1       nicm       67: {
                     68:        struct hdr      hdr;
                     69:
                     70:        hdr.type = type;
                     71:        hdr.size = len;
                     72:        buffer_write(cctx->srv_out, &hdr, sizeof hdr);
                     73:
                     74:        if (buf != NULL && len > 0)
                     75:                buffer_write(cctx->srv_out, buf, len);
                     76: }