X-Git-Url: https://cads.iiap.res.in/gitview/?p=fits2jpeg.git;a=blobdiff_plain;f=src%2Ffilesys.c;fp=src%2Ffilesys.c;h=e7ff547e74977655b154951aba769ba91d681551;hp=0000000000000000000000000000000000000000;hb=43cf6bddbf02b21c68b405e267605b1b64cddd8d;hpb=e9b7faa7d8a84a6a7f0e1b65c8859b7405568890

diff --git a/src/filesys.c b/src/filesys.c
new file mode 100644
index 0000000..e7ff547
--- /dev/null
+++ b/src/filesys.c
@@ -0,0 +1,87 @@
+/***************************************************************************
+ * This file is a part of CADS/UVS fits2jpeg conversion software           *
+ *   Copyright (C) 2012 by CADS/UV Software Team,                          *
+ *                         Indian Institute of Astrophysics                *
+ *                         Bangalore 560034                                *
+ *                         cads_AT_iiap.res.in                             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+/*Header Definitions*/
+#include "fits2jpeg.h"
+/*---------------------------------------------------------------------------*/
+
+/*---------------------------------------------------------------------------*
+ * MAKE_DIR: Wrapper to mkdir() with some basic error checks
+ *---------------------------------------------------------------------------*/
+int make_dir(char * folder, mode_t mode)
+{
+    struct stat st;
+    int status = 0;
+
+    if (stat(folder, &st) != 0)
+    {
+        /* Directory does not exist - make it */
+        status = mkdir(folder, mode);
+        if (status) return status;
+    }
+    else if (!S_ISDIR(st.st_mode))
+        return status = -1;
+    return status;
+}
+
+/*---------------------------------------------------------------------------*
+ * MAKE_TREE: moves through a directory path and creates directories and
+ *            subdirectories using make_dir(), top-down.
+ *---------------------------------------------------------------------------*/
+int make_tree(char * folder, mode_t mode)
+{
+    char *pp;
+    char *sp;
+    int  status = 0;
+    char *fpath = strdup(folder);
+
+    pp = fpath;
+
+    while (status == 0 && (sp = strchr(pp, '/')) != 0)
+    {
+        if (sp != pp)
+        {
+            *sp = '\0';
+            status = make_dir(fpath, mode);
+            *sp = '/';
+        }
+        pp = sp + 1;
+    }
+
+    if (status == 0) status = make_dir(folder, mode);
+    return status;
+}
+
+/*---------------------------------------------------------------------------*
+ * STRDUP: This one is not a part of ANSI-strict, so we had to write one
+ *---------------------------------------------------------------------------*/
+char *strdup(const char *str)
+{
+    int n = strlen(str) + 1;
+    char *dup = malloc(n);
+    if(dup)
+    {
+        strcpy(dup, str);
+    }
+    return dup;
+}