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CryAnimation/makepath.c

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+/***
+*makepath.c - create path name from components
+*
+*       Copyright (c) 1987-2001, Microsoft Corporation. All rights reserved.
+*
+*Purpose:
+*       To provide support for creation of full path names from components
+*
+*******************************************************************************/
+
+//ASH: Need this on xbox for pre-compiled headers.
+//#include "stdafx.h"
+#include "makepath.h"
+/***
+*void _makepath() - build path name from components
+*
+*Purpose:
+*       create a path name from its individual components
+*
+*Entry:
+*       char *path  - pointer to buffer for constructed path
+*       char *drive - pointer to drive component, may or may not contain
+*                     trailing ':'
+*       char *dir   - pointer to subdirectory component, may or may not include
+*                     leading and/or trailing '/' or '\' characters
+*       char *fname - pointer to file base name component
+*       char *ext   - pointer to extension component, may or may not contain
+*                     a leading '.'.
+*
+*Exit:
+*       path - pointer to constructed path name
+*
+*Exceptions:
+*
+*******************************************************************************/
+#ifndef WIN32
+void portable_makepath (
+        char *path,
+        const char *drive,
+        const char *dir,
+        const char *fname,
+        const char *ext
+        )
+{
+        const char *p;
+
+        /* we assume that the arguments are in the following form (although we
+         * do not diagnose invalid arguments or illegal filenames (such as
+         * names longer than 8.3 or with illegal characters in them)
+         *
+         *  drive:
+         *      A           ; or
+         *      A:
+         *  dir:
+         *      \top\next\last\     ; or
+         *      /top/next/last/     ; or
+         *      either of the above forms with either/both the leading
+         *      and trailing / or \ removed.  Mixed use of '/' and '\' is
+         *      also tolerated
+         *  fname:
+         *      any valid file name
+         *  ext:
+         *      any valid extension (none if empty or null )
+         */
+
+        /* copy drive */
+
+        if (drive && *drive) {
+                *path++ = *drive;
+                *path++ = (':');
+        }
+
+        /* copy dir */
+
+        if ((p = dir) && *p) {
+                do {
+                        *path++ = *p++;
+                }
+                while (*p);
+                if (*(p-1) != '/' && *(p-1) != ('\\')) {
+                        *path++ = ('\\');
+                }
+        }
+
+        /* copy fname */
+
+        if (p = fname) {
+                while (*p) {
+                        *path++ = *p++;
+                }
+        }
+
+        /* copy ext, including 0-terminator - check to see if a '.' needs
+         * to be inserted.
+         */
+
+        if (p = ext) {
+                if (*p && *p != ('.')) {
+                        *path++ = ('.');
+                }
+                while (*path++ = *p++)
+                        ;
+        }
+        else {
+                /* better add the 0-terminator */
+                *path = ('\0');
+        }
+}
+#endif