1 files changed, 98 insertions, 0 deletions
diff --git a/src/lib/wrapper.c b/src/lib/wrapper.c
new file mode 100644
index 0000000..8753fce
--- /dev/null
+++ b/src/lib/wrapper.c
@@ -0,0 +1,98 @@
+/* $Id: wrapper.c 2851 2016-08-31 17:30:52Z bird $ */
+/** @file
+ * Wrapper program for various debugging purposes.
+ */
+
+/*
+ * Copyright (c) 2007-2016 knut st. osmundsen <bird-kBuild-spamx@anduin.net>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * 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. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Alternatively, the content of this file may be used under the terms of the
+ * GPL version 2 or later, or LGPL version 2.1 or later.
+ */
+
+
+/*******************************************************************************
+*   Header Files                                                               *
+*******************************************************************************/
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#ifdef _MSC_VER
+# include <process.h>
+#else
+# include <unistd.h>
+#endif
+
+
+int main(int argc, char **argv, char **envp)
+{
+    const char *pszLogTo        = getenv("WRAPPER_LOGTO");
+    const char *pszLogFileArgs  = getenv("WRAPPER_LOGFILEARGS");
+    const char *pszLogEnv       = getenv("WRAPPER_LOGENV");
+    const char *pszExec         = getenv("WRAPPER_EXEC");
+    const char *pszSigSegv      = getenv("WRAPPER_SIGSEGV");
+    const char *pszRetVal       = getenv("WRAPPER_RETVAL");
+    int i;
+
+    if (pszLogTo)
+    {
+        FILE *pLog = fopen(pszLogTo, "a");
+        if (pLog)
+        {
+            fprintf(pLog, "+++ %s pid=%ld +++\n", argv[0], (long)getpid());
+            for (i = 1; i < argc; i++)
+            {
+                fprintf(pLog, "argv[%d]: '%s'\n", i, argv[i]);
+                if (pszLogFileArgs)
+                {
+                    FILE *pArg = fopen(argv[i], "r");
+                    if (pArg)
+                    {
+                        int iLine = 0;
+                        static char szLine[64*1024];
+                        while (fgets(szLine, sizeof(szLine), pArg) && iLine++ < 42)
+                            fprintf(pLog, "%2d: %s", iLine, szLine);
+                        fclose(pArg);
+                    }
+                }
+            }
+            if (pszLogEnv)
+                for (i = 0; envp[i]; i++)
+                    fprintf(pLog, "envp[%d]: '%s'\n", i, envp[i]);
+            fprintf(pLog, "--- %s pid=%ld ---\n", argv[0], (long)getpid());
+            fclose(pLog);
+        }
+    }
+
+    if (pszSigSegv)
+    {
+        char *pchIllegal = (char *)1;
+        pchIllegal[0] = '\0';
+    }
+
+    if (pszExec)
+    {
+        /** @todo */
+    }
+
+    return pszRetVal ? atol(pszRetVal) : 1;
+}
+