WIN32 fixes for drive specifications.

[yaz-moved-to-github.git] / util / tpath.c

diff --git a/util/tpath.c b/util/tpath.c
index 380ed25..1f37514 100644 (file)
--- a/util/tpath.c
+++ b/util/tpath.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: tpath.c,v $
- * Revision 1.4  2000-02-29 13:44:55  adam
+ * Revision 1.5  2000-12-05 19:03:19  adam
+ * WIN32 fixes for drive specifications.
+ *
+ * Revision 1.4  2000/02/29 13:44:55  adam
  * Check for config.h (currently not generated).
  *
  * Revision 1.3  1999/11/30 13:47:12  adam
@@ -28,23 +31,46 @@
 
 FILE *yaz_path_fopen(const char *path, const char *name, const char *mode)
 {
-    char spath[512] = "";
-
-    if (!path)
-       return fopen(name, mode);
+    char spath[512];
 
-    do
+    for(;;)
     {
        FILE *f;
 
-       if (sscanf(path, "%511[^:]", spath) < 1)
-           return 0;
-       sprintf(spath + strlen(spath), "/%s", name);
+        const char *path_sep = 0;
+        size_t len = 0;
+        
+        if (path)
+        {
+            /* somewhat dirty since we have to consider Windows
+             * drive letters..
+             */
+            if (strchr ("/\\.", *path))
+            {
+                path_sep = strchr (path+1, ':');
+            }
+            else if (path[0] && path[1])
+                path_sep = strchr (path+2, ':');
+            if (path_sep)
+                len = path_sep - path;
+            else
+                len = strlen(path);
+            if (len > 255)
+                len = 255;
+            memcpy (spath, path, len);
+            if (!strchr("/\\", spath[len-1]))
+            {
+                strcpy (spath+len, "/");
+                len++;
+            }
+        }
+        sprintf (spath+len, "%.255s", name);
        if ((f = fopen(spath, mode)))
            return f;
-       if ((path = strchr(path, ':')))
-           path++;
+
+        if (!path_sep)
+            break;
+        path = path_sep+1;
     }
-    while (path);
     return 0;
 }