Initial Alpine Version

1 files changed, 103 insertions, 0 deletions

diff --git a/pith/osdep/lstcmpnt.c b/pith/osdep/lstcmpnt.c
new file mode 100644
index 00000000..2a920939
--- /dev/null
+++ b/pith/osdep/lstcmpnt.c
@@ -0,0 +1,103 @@
+#if !defined(lint) && !defined(DOS)
+static char rcsid[] = "$Id: lstcmpnt.c 1074 2008-06-04 00:08:43Z hubert@u.washington.edu $";
+#endif
+
+/*
+ * ========================================================================
+ * Copyright 2006-2008 University of Washington
+ * Copyright 2013 Eduardo Chappa
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * ========================================================================
+ */
+
+#include <system.h>
+#include <general.h>
+
+#include <string.h>
+#include "../../pith/charconv/filesys.h"
+#include "canaccess.h"
+#include "lstcmpnt.h"
+
+
+#ifdef	_WINDOWS
+
+#define	FILE_SEP		'\\'
+
+#else  /* UNIX */
+
+#define	FILE_SEP		'/'
+
+#endif /* UNIX */
+
+
+
+/*----------------------------------------------------------------------
+      Return pointer to last component of pathname.
+
+  Args: filename     -- The pathname.
+ 
+ Result: Returned pointer points to last component in the input argument.
+  ----*/
+char *
+last_cmpnt(char *filename)
+{
+    char *p = NULL, *q = filename;
+
+    if(filename == NULL)
+      return(filename);
+
+    while((q = strchr(q, FILE_SEP)) != NULL)
+      if(*++q)
+	p = q;
+
+#ifdef	_WINDOWS
+
+    if(!p && isalpha((unsigned char) *filename) && *(filename+1) == ':' && *(filename+2))
+      p = filename + 2;
+
+#endif
+
+    return(p);
+}
+
+
+/*
+ * Like our_mkdir but it makes subdirs as well as the final dir
+ */
+int
+our_mkpath(char *path, mode_t mode)
+{
+    char save, *q = path;
+
+#ifdef	_WINDOWS
+    if(isalpha((unsigned char) q[0]) && q[1] == ':' && q[2])
+      q = path + 3;
+#endif
+
+    if(q == path && q[0] == FILE_SEP)
+      q = path + 1;
+
+    while((q = strchr(q, FILE_SEP)) != NULL){
+	save = *q;
+	*q = '\0';
+	if(can_access(path, ACCESS_EXISTS) != 0)
+	  if(our_mkdir(path, mode) != 0){
+	      *q = save;
+	      return -1;
+	  }
+
+	*q = save;
+	q++;
+    }
+
+    if(can_access(path, ACCESS_EXISTS) != 0 && our_mkdir(path, mode) != 0)
+      return -1;
+
+    return 0;
+}