Correct arguments to isspace/isalnum

[Ralf Wildenhues]

Most systems accept this error, because it's so widespread.
No excuse stating that sign conversion is difficult in C ;)

Regards,
Ralf

2004-09-27  Ralf Wildenhues <address@hidden>

        * libltdl/ltdl.c (load_deplibs, try_dlopen): Cast argument
        to isspace/isalnum correctly.


Index: libltdl/ltdl.c
===================================================================
RCS file: /cvsroot/libtool/libtool/libltdl/ltdl.c,v
retrieving revision 1.213
diff -u -r1.213 ltdl.c
--- libltdl/ltdl.c      2 Sep 2004 13:27:24 -0000       1.213
+++ libltdl/ltdl.c      27 Sep 2004 18:13:20 -0000
@@ -736,10 +736,10 @@
   p = deplibs;
   while (*p)
     {
-      if (!isspace ((int) *p))
+      if (!isspace ((unsigned char) *p))
        {
          char *end = p+1;
-         while (*end && !isspace((int) *end))
+         while (*end && !isspace((unsigned char) *end))
            {
              ++end;
            }
@@ -785,14 +790,14 @@
   p = deplibs;
   while (*p)
     {
-      if (isspace ((int) *p))
+      if (isspace ((unsigned char) *p))
        {
          ++p;
        }
       else
        {
          char *end = p+1;
-         while (*end && !isspace ((int) *end))
+         while (*end && !isspace ((unsigned char) *end))
            {
              ++end;
            }
@@ -999,7 +999,7 @@
     int i;
     for (i = 0; i < ext - base_name; ++i)
       {
-       if (isalnum ((int)(base_name[i])))
+       if (isalnum ((unsigned char)(base_name[i])))
          {
            name[i] = base_name[i];
          }