Changeset 1281 in kBuild for trunk

Timestamp:

Nov 30, 2007 1:28:30 AM (17 years ago)

Author:

bird

Message:

docs, and separator alternatives.

File:

• trunk/src/kmk_redirect/kmk_redirect.c (modified) (3 diffs)

trunk/src/kmk_redirect/kmk_redirect.c

@@ -47 +47 @@
 {
     fprintf(pOut,
-            "usage: %s [-[rwa+tb]<fd> <file>] -- <program> [args]\n"
+            "usage: %s [-[rwa+tb]<fd>[=|:| ]<file>] -- <program> [args]\n"
             "   or: %s --help\n"
             "   or: %s --version\n"
             "\n"
             "The rwa+tb is like for fopen, if not specified it defaults to w+.\n"
-            "The <fd> is either a number or an alias for the standard handles;\n"
-            "i - stdin, o - stdout, e - stderr.\n"
+            "The <fd> is either a number or an alias for the standard handles:\n"
+            "   i = stdin\n"
+            "   o = stdout\n"
+            "   e = stderr\n"
+            "\n"
+            "This command is really just a quick hack to avoid invoking the shell\n"
+            "on Windows (cygwin) where forking is very expensive and has exhibited\n"
+            "stability issues on SMP machines. This tool may be retired when kBuild\n"
+            "starts using the kmk_kash shell.\n"
             ,
             argv0, argv0, argv0);
@@ -68 +75 @@
     FILE *pStdErr = stderr;
     FILE *pStdOut = stdout;
-
 
     /*
@@ -245 +251 @@
             if (*psz)
             {
-                fprintf(pStdErr, "%s: syntax error: characters following the file descriptor: '%s' ('%s')\n", argv[0], psz, argv[i]);
-                return 1;
-            }
-            i++;
-            if (i >= argc )
-            {
-                fprintf(pStdErr, "%s: syntax error: missing filename argument.\n", argv[0]);
-                return 1;
-            }
-            psz = argv[i];
+                if (*psz != ':' && *psz != '=')
+                {
+                    fprintf(pStdErr, "%s: syntax error: characters following the file descriptor: '%s' ('%s')\n", argv[0], psz, argv[i]);
+                    return 1;
+                }
+                psz++;
+            }
+            else
+            {
+                i++;
+                if (i >= argc)
+                {
+                    fprintf(pStdErr, "%s: syntax error: missing filename argument.\n", argv[0]);
+                    return 1;
+                }
+                psz = argv[i];
+            }
 
             /*