1 files changed, 162 insertions, 0 deletions

diff --git a/other/ssharp/misc.c b/other/ssharp/misc.c
new file mode 100644
index 0000000..feeacb8
--- /dev/null
+++ b/other/ssharp/misc.c
@@ -0,0 +1,162 @@
+/*      $OpenBSD: misc.c,v 1.5 2001/04/12 20:09:37 stevesk Exp $        */
+
+/*
+ * Copyright (c) 2000 Markus Friedl.  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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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.
+ */
+
+#include "includes.h"
+RCSID("$OpenBSD: misc.c,v 1.5 2001/04/12 20:09:37 stevesk Exp $");
+
+#include "misc.h"
+#include "log.h"
+#include "xmalloc.h"
+
+char *
+chop(char *s)
+{
+        char *t = s;
+        while (*t) {
+                if(*t == '\n' || *t == '\r') {
+                        *t = '\0';
+                        return s;
+                }
+                t++;
+        }
+        return s;
+
+}
+
+void
+set_nonblock(int fd)
+{
+        int val;
+        val = fcntl(fd, F_GETFL, 0);
+        if (val < 0) {
+                error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno));
+                return;
+        }
+        if (val & O_NONBLOCK) {
+                debug("fd %d IS O_NONBLOCK", fd);
+                return;
+        }
+        debug("fd %d setting O_NONBLOCK", fd);
+        val |= O_NONBLOCK;
+        if (fcntl(fd, F_SETFL, val) == -1)
+                if (errno != ENODEV)
+                        error("fcntl(%d, F_SETFL, O_NONBLOCK): %s",
+                            fd, strerror(errno));
+}
+
+/* Characters considered whitespace in strsep calls. */
+#define WHITESPACE " \t\r\n"
+
+char *
+strdelim(char **s)
+{
+        char *old;
+        int wspace = 0;
+
+        if (*s == NULL)
+                return NULL;
+
+        old = *s;
+
+        *s = strpbrk(*s, WHITESPACE "=");
+        if (*s == NULL)
+                return (old);
+
+        /* Allow only one '=' to be skipped */
+        if (*s[0] == '=')
+                wspace = 1;
+        *s[0] = '\0';
+
+        *s += strspn(*s + 1, WHITESPACE) + 1;
+        if (*s[0] == '=' && !wspace)
+                *s += strspn(*s + 1, WHITESPACE) + 1;
+
+        return (old);
+}
+
+struct passwd *
+pwcopy(struct passwd *pw)
+{
+        struct passwd *copy = xmalloc(sizeof(*copy));
+
+        memset(copy, 0, sizeof(*copy));
+        copy->pw_name = xstrdup(pw->pw_name);
+        copy->pw_passwd = xstrdup(pw->pw_passwd);
+        copy->pw_gecos = xstrdup(pw->pw_gecos);
+        copy->pw_uid = pw->pw_uid;
+        copy->pw_gid = pw->pw_gid;
+#ifdef HAVE_PW_CLASS_IN_PASSWD
+        copy->pw_class = xstrdup(pw->pw_class);
+#endif
+        copy->pw_dir = xstrdup(pw->pw_dir);
+        copy->pw_shell = xstrdup(pw->pw_shell);
+        return copy;
+}
+
+int a2port(const char *s)
+{
+        long port;
+        char *endp;
+
+        errno = 0;
+        port = strtol(s, &endp, 0);
+        if (s == endp || *endp != '\0' ||
+            (errno == ERANGE && (port == LONG_MIN || port == LONG_MAX)) ||
+            port <= 0 || port > 65535)
+                return 0;
+
+        return port;
+}
+
+mysig_t
+mysignal(int sig, mysig_t act)
+{
+#ifdef HAVE_SIGACTION
+        struct sigaction sa, osa;
+
+        if (sigaction(sig, NULL, &osa) == -1)
+                return (mysig_t) -1;
+        if (osa.sa_handler != act) {
+                memset(&sa, 0, sizeof(sa));
+                sigemptyset(&sa.sa_mask);
+                sa.sa_flags = 0;
+#if defined(SA_RESTART)
+                if (sig == SIGCHLD)
+                        sa.sa_flags |= SA_RESTART;
+#endif
+#if defined(SA_INTERRUPT)
+                if (sig == SIGALRM)
+                        sa.sa_flags |= SA_INTERRUPT;
+#endif
+                sa.sa_handler = act;
+                if (sigaction(sig, &sa, NULL) == -1)
+                        return (mysig_t) -1;
+        }
+        return (osa.sa_handler);
+#else
+        return (signal(sig, act));
+#endif
+}