general code cleanup, wrote configfileparser, ...

1 files changed, 81 insertions, 0 deletions

diff --git a/noncore/net/wellenreiter/libwellenreiter/source/wl_conf.cc b/noncore/net/wellenreiter/libwellenreiter/source/wl_conf.cc
new file mode 100644
index 0000000..ba56754
--- a/dev/null
+++ b/noncore/net/wellenreiter/libwellenreiter/source/wl_conf.cc
@@ -0,0 +1,81 @@
+/* 
+ * Configfile operations for wellenreiter
+ * 
+ * $Id$
+ */
+
+#include "wl_conf.hh"
+#include "wl_log.hh"
+#include "wl_types.hh"
+
+/* Check whether configfile exists and is readable */
+int wl_checkcfg(void)
+{
+  FILE *wl_config;
+
+  if((wl_config = fopen(WL_CONFFILE, "r")) == NULL)
+  {
+    wl_logerr("Cannot open configfile: %s", strerror(errno));
+    return 0;
+  }
+  else
+  {
+    fclose(wl_config);
+    return 1;
+  }
+
+}
+
+/* Get value for given token from config file */
+int wl_cfgvalue(const char *token, char *out, int maxlen)
+{
+  FILE *wl_config;
+  char *ptr, *ptr2;
+  char confbuf[WL_CONFBUFF];
+
+  if(token == NULL)
+    return -1;
+
+  if((wl_config = fopen(WL_CONFFILE, "r")) == NULL)
+  {
+    wl_logerr("Cannot open configfile: %s", strerror(errno));
+    return -1;
+  }
+   
+  /* Clear buffers */
+  memset(out, 0, maxlen);
+  memset(confbuf, 0, sizeof(confbuf));
+
+  while((fgets(confbuf, sizeof(confbuf) - 1, wl_config)) != NULL)
+  {
+    
+    /* Ignore comments */
+    if(confbuf[0] == '#') continue;
+ 
+    /* Search for token, if found check whether next character
+     *  is a '=' or a ' ' 
+     */
+    if(strstr(confbuf, token) != NULL &&
+       (confbuf[strlen(token)] == '=' || confbuf[strlen(token)] == ' '))
+    {
+
+      /* Get value between quotes */
+      if((ptr = strstr(confbuf, "\"")) == NULL)
+	break;
+      ++ptr;
+      if((ptr2 = strstr(ptr, "\"")) == NULL)
+	break;
+      ptr2[0] = '\0';
+
+      memcpy(out, ptr, maxlen - 1);
+      break;
+
+    }
+    memset(confbuf, 0, sizeof(confbuf));
+  }
+
+  fclose(wl_config);
+
+  return (out[0] == '\0' ? 0 : 1);
+}
+