X-Git-Url: http://andersk.mit.edu/gitweb/moira.git/blobdiff_plain/437bee901aff5aba2a23f3949bda352be3d21c9e..245f8a92a68015a715f4821b4a32b4c39a00d8d7:/server/mr_util.c

diff --git a/server/mr_util.c b/server/mr_util.c
index c008e568..9926446e 100644
--- a/server/mr_util.c
+++ b/server/mr_util.c
@@ -9,11 +9,11 @@
  */
 
 #ifndef lint
-static char *rcsid_sms_util_c = "$Header$";
+static char *rcsid_mr_util_c = "$Header$";
 #endif lint
 
 #include <mit-copyright.h>
-#include "sms_server.h"
+#include "mr_server.h"
 
 #include <ctype.h>
 #include <strings.h>
@@ -74,7 +74,7 @@ log_args(tag, version, argc, argv)
 	com_err(whoami, 0, "%s", buf);
 }
 	
-void sms_com_err(whoami, code, fmt, pvar)
+void mr_com_err(whoami, code, fmt, pvar)
 	char *whoami;
 	int code;
 	char *fmt;
@@ -98,21 +98,32 @@ void sms_com_err(whoami, code, fmt, pvar)
 }
 
 
-/* sms_trim_args: passed an argument vector, it will trim any trailing
- * spaces on the args by writing a null into the string.
+/* mr_trim_args: passed an argument vector, it will trim any trailing
+ * spaces on the args by writing a null into the string.  If an argument
+ * appears to be binary instead of ASCII, it will not be trimmed.
  */
 
-int sms_trim_args(argc, argv)
+int mr_trim_args(argc, argv)
 int argc;
 char **argv;
 {
     register char **arg;
-    register char *p, *lastch;
+    register unsigned char *p, *lastch;
 
     for (arg = argv; argc--; arg++) {
-	for (lastch = p = *arg; *p; p++)
-	  if (!isspace(*p))
-	    lastch = p;
+	for (lastch = p = (unsigned char *) *arg; *p; p++) {
+	    /* If any byte in the string has the high bit set, assume
+	     * that it is binary and we do not want to trim it.
+	     * Setting p = lastch will cause us not to trim the string
+	     * when we break out of this inner loop.
+	     */
+	    if (*p >= 0x80) {
+		p = lastch;
+		break;
+	    }
+	    if (!isspace(*p))
+	      lastch = p;
+	}
 	if (p != lastch) {
 	    if (isspace(*lastch))
 	      *lastch = 0;
@@ -122,3 +133,21 @@ char **argv;
     }
     return(0);
 }
+
+
+/* returns a copy of the argv and all of it's strings */
+
+char **mr_copy_args(argv, argc)
+char **argv;
+int argc;
+{
+    char **a;
+    int i;
+
+    a = (char **) malloc(argc * sizeof(char *));
+    if (a == 0)
+      return(a);
+    for (i = 0; i < argc; i++)
+      a[i] = strsave(argv[i]);
+    return(a);
+}