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-rw-r--r--src/libbbsutil/osdep.c375
1 files changed, 375 insertions, 0 deletions
diff --git a/src/libbbsutil/osdep.c b/src/libbbsutil/osdep.c
new file mode 100644
index 00000000..f4d68ead
--- /dev/null
+++ b/src/libbbsutil/osdep.c
@@ -0,0 +1,375 @@
+/* $Id$ */
+#include "osdep.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#ifdef NEED_STRLCAT
+
+#include <sys/types.h>
+#include <string.h>
+
+/* size_t
+ * strlcat(char *dst, const char *src, size_t size);
+ */
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left). At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
+ */
+size_t
+strlcat(dst, src, siz)
+ char *dst;
+ const char *src;
+ size_t siz;
+{
+ char *d = dst;
+ const char *s = src;
+ size_t n = siz;
+ size_t dlen;
+
+ /* Find the end of dst and adjust bytes left but don't go past end */
+ while (n-- != 0 && *d != '\0')
+ d++;
+ dlen = d - dst;
+ n = siz - dlen;
+
+ if (n == 0)
+ return(dlen + strlen(s));
+ while (*s != '\0') {
+ if (n != 1) {
+ *d++ = *s;
+ n--;
+ }
+ s++;
+ }
+ *d = '\0';
+
+ return(dlen + (s - src)); /* count does not include NUL */
+}
+
+#endif
+
+#ifdef NEED_TIMEGM
+
+#include <time.h>
+#include <stdlib.h>
+
+time_t timegm (struct tm *tm)
+{
+ time_t ret;
+ char *tz;
+
+ tz = getenv("TZ");
+ putenv("TZ=");
+ tzset();
+ ret = mktime(tm);
+
+ if (tz){
+ char *buff = malloc( strlen(tz) + 10);
+ sprintf( buff, "TZ=%s", tz);
+ putenv(buff);
+ free(buff);
+ }
+ else
+ unsetenv("TZ");
+ tzset();
+
+ return ret;
+}
+
+#endif
+
+#ifdef NEED_STRLCPY
+
+/* ------------------------------------------------------------------------ */
+
+/* size_t
+ * strlcpy(char *dst, const char *src, size_t size);
+ */
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Copy src to string dst of size siz. At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t strlcpy(dst, src, siz)
+ char *dst;
+ const char *src;
+ size_t siz;
+{
+ char *d = dst;
+ const char *s = src;
+ size_t n = siz;
+
+ /* Copy as many bytes as will fit */
+ if (n != 0 && --n != 0) {
+ do {
+ if ((*d++ = *s++) == 0)
+ break;
+ } while (--n != 0);
+ }
+
+ /* Not enough room in dst, add NUL and traverse rest of src */
+ if (n == 0) {
+ if (siz != 0)
+ *d = '\0'; /* NUL-terminate dst */
+ while (*s++)
+ ;
+ }
+
+ return(s - src - 1); /* count does not include NUL */
+}
+
+#endif
+
+#ifdef NEED_BSD_SIGNAL
+
+void (*bsd_signal(int sig, void (*func)(int)))(int)
+{
+ struct sigaction act, oact;
+
+ act.sa_handler = func;
+ act.sa_flags = SA_RESTART;
+ sigemptyset(&act.sa_mask);
+ sigaddset(&act.sa_mask, sig);
+ if (sigaction(sig, &act, &oact) == -1)
+ return(SIG_ERR);
+ return(oact.sa_handler);
+}
+
+
+#endif
+
+#ifdef HAVE_SETPROCTITLE
+
+void
+initsetproctitle(int argc, char **argv, char **envp)
+{
+}
+
+#else
+
+
+static char **Argv = NULL; /* pointer to argument vector */
+static int argv_size; /* end of argv */
+
+extern char **environ;
+
+void
+initsetproctitle(int argc, char **argv, char **envp)
+{
+ register int i;
+ int len=0,nenv=0;
+
+
+ /*
+ * Move the environment so setproctitle can use the space at the top of
+ * memory.
+ */
+ for (i = 0; envp[i]; i++)
+ len+=strlen(envp[i])+1;
+ nenv=i+1;
+ len+=sizeof(char*)*nenv;
+ environ = malloc(len);
+ len=0;
+ for (i = 0; envp[i]; i++) {
+ environ[i] = (char*)environ+nenv*sizeof(char*)+len;
+ strcpy(environ[i], envp[i]);
+ len+=strlen(envp[i])+1;
+ }
+ environ[i] = NULL;
+
+ /* Save start and extent of argv for setproctitle. */
+ Argv = argv;
+ if (i > 0)
+ argv_size = envp[i - 1] + strlen(envp[i - 1]) - Argv[0];
+ else
+ argv_size = argv[argc - 1] + strlen(argv[argc - 1]) - Argv[0];
+}
+
+static void
+do_setproctitle(const char *cmdline)
+{
+ int len;
+
+ len = strlen(cmdline) + 1; // +1 for '\0'
+ if(len > argv_size - 2) // 2 ??
+ len = argv_size - 2;
+ memset(Argv[0], 0, argv_size);
+ strlcpy(Argv[0], cmdline, len);
+ Argv[1] = NULL;
+}
+
+void
+setproctitle(const char *format,...)
+{
+ char buf[256];
+ va_list args;
+ va_start(args, format);
+ vsnprintf(buf, sizeof(buf), format, args);
+ do_setproctitle(buf);
+ va_end(args);
+}
+
+#endif
+
+#if __FreeBSD__
+
+int
+cpuload(char *str)
+{
+ double l[3] = {-1, -1, -1};
+ if (getloadavg(l, 3) != 3)
+ l[0] = -1;
+
+ if (str) {
+ if (l[0] != -1)
+ sprintf(str, " %.2f %.2f %.2f", l[0], l[1], l[2]);
+ else
+ strcpy(str, " (unknown) ");
+ }
+ return (int)l[0];
+}
+#endif
+
+
+#ifdef Solaris
+
+#include <kstat.h>
+#include <sys/param.h>
+
+#define loaddouble(la) ((double)(la) / FSCALE)
+
+int
+cpuload(char *str)
+{
+ kstat_ctl_t *kc;
+ kstat_t *ks;
+ kstat_named_t *kn;
+ double l[3] = {-1, -1, -1};
+
+ kc = kstat_open();
+
+ if( !kc ){
+ strcpy(str, "(unknown) ");
+ return -1;
+ }
+
+ ks = kstat_lookup( kc, "unix", 0, "system_misc");
+
+ if( kstat_read( kc, ks, 0) == -1){
+ strcpy( str, "( unknown ");
+ return -1;
+ }
+
+ kn = kstat_data_lookup( ks, "avenrun_1min" );
+
+ if( kn ) {
+ l[0] = loaddouble(kn->value.ui32);
+ }
+
+ kn = kstat_data_lookup( ks, "avenrun_5min" );
+
+ if( kn ) {
+ l[1] = loaddouble(kn->value.ui32);
+ }
+
+ kn = kstat_data_lookup( ks, "avenrun_15min" );
+
+ if( kn ) {
+ l[2] = loaddouble(kn->value.ui32);
+ }
+
+ if (str) {
+
+ if (l[0] != -1)
+ sprintf(str, " %.2f %.2f %.2f", l[0], l[1], l[2]);
+ else
+ strcpy(str, " (unknown) ");
+ }
+
+ kstat_close(kc);
+ return (int)l[0];
+}
+
+#endif
+
+#ifdef __linux__
+int
+cpuload(char *str)
+{
+ double l[3] = {-1, -1, -1};
+ FILE *fp;
+
+ if ((fp = fopen("/proc/loadavg", "r"))) {
+ if (fscanf(fp, "%lf %lf %lf", &l[0], &l[1], &l[2]) != 3)
+ l[0] = -1;
+ fclose(fp);
+ }
+ if (str) {
+ if (l[0] != -1)
+ sprintf(str, " %.2f %.2f %.2f", l[0], l[1], l[2]);
+ else
+ strcpy(str, " (unknown) ");
+ }
+ return (int)l[0];
+}
+
+#endif
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