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authorMax Krasnyansky <maxk@qualcomm.com>2002-03-08 21:12:35 +0000
committerMax Krasnyansky <maxk@qualcomm.com>2002-03-08 21:12:35 +0000
commitc98b2f82a4e532ca61592b08e3ad60749eb9f8d7 (patch)
tree19a3df72d2cd6a8d64b7d98473261c7e07e306a0 /hcid/lib.c
Initial revision
Diffstat (limited to 'hcid/lib.c')
-rw-r--r--hcid/lib.c171
1 files changed, 171 insertions, 0 deletions
diff --git a/hcid/lib.c b/hcid/lib.c
new file mode 100644
index 00000000..ac47603d
--- /dev/null
+++ b/hcid/lib.c
@@ -0,0 +1,171 @@
+/*
+ BlueZ - Bluetooth protocol stack for Linux
+ Copyright (C) 2000-2001 Qualcomm Incorporated
+
+ Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License version 2 as
+ published by the Free Software Foundation;
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+ IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY CLAIM,
+ OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER
+ RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
+ USE OR PERFORMANCE OF THIS SOFTWARE.
+
+ ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, COPYRIGHTS,
+ TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS SOFTWARE IS DISCLAIMED.
+*/
+/*
+ * $Id$
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <signal.h>
+
+#include "hcid.h"
+#include "lib.h"
+
+volatile sig_atomic_t __io_canceled;
+
+/*
+ * Device name expansion
+ * %d - device id
+ */
+char * expand_name(char *dst, char *str, int dev_id)
+{
+ register int sp, np, olen;
+ char *opt, buf[10];
+
+ if (!str && !dst)
+ return NULL;
+
+ sp = np = 0;
+ while (str[sp]) {
+ switch (str[sp]) {
+ case '%':
+ opt = NULL;
+
+ switch (str[sp+1]) {
+ case 'd':
+ sprintf(buf, "%d", dev_id);
+ opt = buf;
+ break;
+
+ case 'h':
+ opt = hcid.host_name;
+ break;
+
+ case '%':
+ dst[np++] = str[sp++];
+ /* fall through */
+ default:
+ sp++;
+ continue;
+ }
+
+ if (opt) {
+ /* substitute */
+ olen = strlen(opt);
+ memcpy(dst + np, opt, olen);
+ np += olen;
+ }
+ sp += 2;
+ continue;
+
+ case '\\':
+ sp++;
+ /* fall through */
+ default:
+ dst[np++] = str[sp++];
+ break;
+ }
+ }
+ dst[np] = '\0';
+ return dst;
+}
+
+/* Returns current host name */
+char * get_host_name(void)
+{
+ char name[40];
+
+ if (!gethostname(name, sizeof(name)-1)) {
+ name[sizeof(name)-1] = 0;
+ return strdup(name);
+ }
+ return strdup("noname");
+}
+
+/* Functions to manipulate program title */
+extern char **environ;
+char *title_start; /* start of the proc title space */
+char *title_end; /* end of the proc title space */
+int title_size;
+
+void init_title(int argc, char *argv[], char *envp[], const char *name)
+{
+ int i;
+
+ /*
+ * Move the environment so settitle can use the space at
+ * the top of memory.
+ */
+
+ for (i = 0; envp[i]; i++);
+
+ environ = (char **) malloc(sizeof (char *) * (i + 1));
+
+ for (i = 0; envp[i]; i++)
+ environ[i] = strdup(envp[i]);
+ environ[i] = NULL;
+
+ /*
+ * Save start and extent of argv for set_title.
+ */
+
+ title_start = argv[0];
+
+ /*
+ * Determine how much space we can use for set_title.
+ * Use all contiguous argv and envp pointers starting at argv[0]
+ */
+ for (i=0; i<argc; i++)
+ if (!i || title_end == argv[i])
+ title_end = argv[i] + strlen(argv[i]) + 1;
+
+ for (i=0; envp[i]; i++)
+ if (title_end == envp[i])
+ title_end = envp[i] + strlen(envp[i]) + 1;
+
+ strcpy(title_start, name);
+ title_start += strlen(name);
+ title_size = title_end - title_start;
+}
+
+void set_title(const char *fmt, ...)
+{
+ char buf[255];
+ va_list ap;
+
+ memset(title_start,0,title_size);
+
+ /* print the argument string */
+ va_start(ap, fmt);
+ vsprintf(buf, fmt, ap);
+ va_end(ap);
+
+ if (strlen(buf) > title_size - 1)
+ buf[title_size - 1] = '\0';
+
+ strcat(title_start, buf);
+}