Load cups into easysw/current.

git-svn-id: svn+ssh://src.apple.com/svn/cups/easysw/current@2 a1ca3aef-8c08-0410-bb20-df032aa958be

1 files changed, 224 insertions, 0 deletions

diff --git a/scheduler/env.c b/scheduler/env.c
new file mode 100644
index 000000000..df13dab18
--- /dev/null
+++ b/scheduler/env.c
@@ -0,0 +1,224 @@
+/*
+ * "$Id: env.c 4719 2005-09-28 21:12:44Z mike $"
+ *
+ *   Environment management routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2005 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636 USA
+ *
+ *       Voice: (301) 373-9600
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   cupsdClearEnv() - Clear common environment variables.
+ *   cupsdInitEnv()  - Initialize the current environment with standard
+ *                     variables.
+ *   cupsdLoadEnv()  - Copy common environment variables into an array.
+ *   cupsdSetEnv()   - Set a common environment variable.
+ *   cupsdSetEnvf()  - Set a formatted common environment variable.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+
+/*
+ * Local globals...
+ */
+
+static int	num_common_env = 0;	/* Number of common env vars */
+static char	*common_env[100];	/* Common env vars */
+
+
+/*
+ * 'cupsdClearEnv()' - Clear common environment variables.
+ */
+
+void
+cupsdClearEnv(void)
+{
+  int	i;				/* Looping var */
+
+
+  for (i = 0; i < num_common_env; i ++)
+    cupsdClearString(common_env + i);
+
+  num_common_env = 0;
+}
+
+
+/*
+ * 'cupsdInitEnv()' - Initialize the current environment with standard variables.
+ */
+
+void
+cupsdInitEnv(void)
+{
+ /*
+  * Clear existing environment variables...
+  */
+
+  cupsdClearEnv();
+
+#ifdef __APPLE__
+ /*
+  * Add special voodoo magic for MacOS X - this allows MacOS X programs
+  * to access their bundle resources properly...
+  */
+
+  cupsdSetString(common_env, "<CFProcessPath>");
+  num_common_env = 1;
+#endif	/* __APPLE__ */
+
+ /*
+  * Set common variables...
+  */
+
+  cupsdSetEnv("CUPS_CACHEDIR", CacheDir);
+  cupsdSetEnv("CUPS_DATADIR", DataDir);
+  cupsdSetEnv("CUPS_DOCROOT", DocumentRoot);
+  cupsdSetEnv("CUPS_FONTPATH", FontPath);
+  cupsdSetEnv("CUPS_REQUESTROOT", RequestRoot);
+  cupsdSetEnv("CUPS_SERVERBIN", ServerBin);
+  cupsdSetEnv("CUPS_SERVERROOT", ServerRoot);
+  cupsdSetEnv("CUPS_STATEDIR", StateDir);
+  cupsdSetEnv("DYLD_LIBRARY_PATH", NULL);
+  cupsdSetEnv("LD_ASSUME_KERNEL", NULL);
+  cupsdSetEnv("LD_LIBRARY_PATH", NULL);
+  cupsdSetEnv("LD_PRELOAD", NULL);
+  cupsdSetEnv("NLSPATH", NULL);
+  cupsdSetEnvf("PATH", "%s/filter:/bin:/usr/bin", ServerBin);
+  cupsdSetEnv("SHLIB_PATH", NULL);
+  cupsdSetEnv("SOFTWARE", CUPS_MINIMAL);
+  cupsdSetEnv("TMPDIR", TempDir);
+  cupsdSetEnv("TZ", NULL);
+  cupsdSetEnv("USER", "root");
+  cupsdSetEnv("VG_ARGS", NULL);
+}
+
+
+/*
+ * 'cupsdLoadEnv()' - Copy common environment variables into an array.
+ */
+
+int					/* O - Number of environment variables */
+cupsdLoadEnv(char *envp[],		/* I - Environment array */
+             int  envmax)		/* I - Maximum number of elements */
+{
+  int	i;				/* Looping var */
+
+
+ /*
+  * Leave room for a NULL pointer at the end...
+  */
+
+  envmax --;
+
+ /*
+  * Copy pointers to the environment...
+  */
+
+  for (i = 0; i < num_common_env && i < envmax; i ++)
+    envp[i] = common_env[i];
+
+ /*
+  * NULL terminate the environment array and return the number of
+  * elements we added...
+  */
+
+  envp[i] = NULL;
+
+  return (i);
+}
+
+
+/*
+ * 'cupsdSetEnv()' - Set a common environment variable.
+ */
+
+void
+cupsdSetEnv(const char *name,		/* I - Name of variable */
+            const char *value)		/* I - Value of variable */
+{
+ /*
+  * Check for room...
+  */
+
+  if (num_common_env >= (int)(sizeof(common_env) / sizeof(common_env[0])))
+  {
+    cupsdLogMessage(CUPSD_LOG_ERROR,
+                    "cupsdSetEnv: Too many environment variables set!");
+    return;
+  }
+
+ /*
+  * If "value" is NULL, try getting value from current environment...
+  */
+
+  if (!value)
+    value = getenv(name);
+
+  if (!value)
+    return;
+
+ /*
+  * Set the new environment variable...
+  */
+
+  cupsdSetStringf(common_env + num_common_env, "%s=%s", name, value);
+
+  cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSetEnv: %s\n",
+                  common_env[num_common_env]);
+
+  num_common_env ++;
+}
+
+
+/*
+ * 'cupsdSetEnvf()' - Set a formatted common environment variable.
+ */
+
+void
+cupsdSetEnvf(const char *name,		/* I - Name of variable */
+             const char *value,		/* I - Printf-style value of variable */
+	     ...)			/* I - Additional args as needed */
+{
+  char		v[4096];		/* Formatting string value */
+  va_list	ap;			/* Argument pointer */
+
+
+ /*
+  * Format the value string...
+  */
+
+  va_start(ap, value);
+  vsnprintf(v, sizeof(v), value, ap);
+  va_end(ap);
+
+ /*
+  * Set the env variable...
+  */
+
+  cupsdSetEnv(name, v);
+}
+
+
+/*
+ * End of "$Id: env.c 4719 2005-09-28 21:12:44Z mike $".
+ */