1 files changed, 122 insertions, 0 deletions
diff --git a/gallery-utils.c b/gallery-utils.c
new file mode 100644
index 0000000..6de0224
--- /dev/null
+++ b/gallery-utils.c
@@ -0,0 +1,122 @@
+/*   Cataract - Static web photo gallery generator
+ *   Copyright (C) 2008 Tomas Bzatek <tbzatek@users.sourceforge.net>
+ *   
+ *   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 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "gallery-utils.h"
+
+
+/*
+ *   str_replace: replace substring 'search' with a 'replace' string
+ *                - only one occurence of the string is replaced
+ * 				  - reallocates the original string  
+ */ 
+void 
+str_replace (char **dst, const char *search, const char *replace)
+{
+  char *res;
+  char *tms;
+  int new_str_len;
+  
+  /*  is 'search' present in 'dst'?  */
+  res = strstr (*dst, search);
+  if (res == NULL) 
+	  return;
+  
+  new_str_len = strlen (*dst) - strlen (search) + strlen (replace) + 1;
+  
+  tms = malloc (new_str_len);
+  memset (tms, 0, new_str_len);
+  
+  memcpy (tms, *dst, res - *dst); 
+  memcpy ((void*) ((long int) tms + (long int) res - (long int) *dst), 
+		  replace, 
+		  strlen (replace));
+  memcpy ((void*) ((long int) tms + (long int) res - (long int) *dst + strlen (replace)), 
+		  (void*) ((long int) res + strlen (search)), 
+		  strlen (res) - strlen (search));
+  
+  /*  return fixed string  */
+  free (*dst);
+  *dst = tms;
+}
+
+
+/*
+ *   copy_file: copy file from src to dst  
+ */ 
+gboolean 
+copy_file (const char *src, const char *dst)
+{
+  #define BUFFER_SIZE 65536
+  
+  FILE *fin;
+  FILE *fout;
+  void *buffer;
+  int size_r;
+  
+  fin = fopen (src, "r");
+  if (fin == NULL) {
+    fprintf (stderr, "copy_file: error reading file \"%s\": %s\n", src, strerror (errno));
+    return FALSE;  
+  }
+  
+  fout = fopen (dst, "w");
+  if (fout == NULL) {
+    fprintf (stderr, "copy_file: error writing to file \"%s\": %s\n", dst, strerror (errno));
+    fclose (fin);
+    return FALSE;  
+  }
+  
+  buffer = malloc (BUFFER_SIZE);
+  memset (buffer, 0, BUFFER_SIZE);
+  size_r = BUFFER_SIZE;
+  
+  while ((! feof (fin)) && (size_r == BUFFER_SIZE)) {
+    size_r = fread (buffer, 1, BUFFER_SIZE, fin);
+    fwrite (buffer, 1, size_r, fout);
+  }
+  
+  fclose (fout);  
+  fclose (fin);
+  free (buffer);
+  
+  return TRUE;  
+}
+
+
+/*
+ *   make_string: make string of 'substr' substrings
+ *                - returns newly allocated string    
+ */ 
+char *
+make_string (const char* substr, const int count)
+{
+  int i;
+  char *s;
+  
+  s = malloc (strlen (substr) * count + 1);
+  for (i = 0; i < count; i++)
+	  memcpy (s + (strlen (substr) * i), substr, strlen (substr));
+  s[strlen (substr) * count] = 0;  
+  return s;  
+}
+
+