1 files changed, 71 insertions, 0 deletions
diff --git a/common/osdep/proctitle.c b/common/osdep/proctitle.c
new file mode 100644
index 00000000..c6891e67
--- /dev/null
+++ b/common/osdep/proctitle.c
@@ -0,0 +1,71 @@
+/* $Id$ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include "osdep.h"
+
+#ifdef NEED_SETPROCTITLE
+
+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)
+{
+    int i, 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
+