addresses #1268

fix construct_full_name so that absolute windows paths do not get modified

git-svn-id: file:///svn/toku/tokudb.1032b@8019 c7de825b-a66e-492c-adef-691d508d4ae1

include/toku_os.h

@@ -53,6 +53,11 @@ int toku_os_get_max_rss(int64_t *maxrss);
 
 int toku_os_initialize_settings(int verbosity);
 
+//
+// this int acts like a bool, returns 0 for false, 1 for true
+//
+int toku_os_is_absolute_name(const char* path);
+
 #if defined __cplusplus
 };
 #endif

linux/linux.c

@@ -163,3 +163,9 @@ toku_os_get_rss(int64_t *rss) {
     fclose(f);
     return r;
 }
+
+int 
+toku_os_is_absolute_name(const char* path) {
+    return path[0] == '/';
+}
+

newbrt/recover.c

@@ -61,6 +61,10 @@ create_dir_from_file (const char *fname) {
     char *tmp=toku_strdup(fname);
     char ch;
     for (i=0; (ch=fname[i]); i++) {
+        //
+        // TODO: this may fail in windows, double check the absolute path names
+        // and '/' as the directory delimiter or something
+        //
 	if (ch=='/') {
 	    if (i>0) {
 		tmp[i]=0;

src/ydb.c

@@ -2732,6 +2732,11 @@ static int construct_full_name_in_buf(const char *dir, const char *fname, char*
     int l;
 
     if (!full) return EINVAL;
+    if (toku_os_is_absolute_name(fname)) {
+        l = 0;
+        full[0] = '\0';
+    }
+    else {
         l = snprintf(full, length, "%s", dir);
         if (l >= length) return ENAMETOOLONG;
         if (l == 0 || full[l - 1] != '/') {
@@ -2743,13 +2748,14 @@ static int construct_full_name_in_buf(const char *dir, const char *fname, char*
                 full[l] = 0;
             }
         }
+    }
     l += snprintf(full + l, length - l, "%s", fname);
     if (l >= length) return ENAMETOOLONG;
     return 0;
 }
 
 static char *construct_full_name(const char *dir, const char *fname) {
-    if (fname[0] == '/')
+    if (toku_os_is_absolute_name(fname))
         dir = "";
     {
         int dirlen = strlen(dir);

windows/windows.c

@@ -418,3 +418,8 @@ ftruncate(int fd, int64_t offset) {
     return 0;
 }
 
+int 
+toku_os_is_absolute_name(const char* path) {
+    return (path[0] == '\\' || 
+            (isalpha(path[0]) && path[1]==':' && path[2]=='\\'));
+}