use putenv instead of setenv for portability

[oweals/gnunet.git] / src / util / getopt_helpers.c

diff --git a/src/util/getopt_helpers.c b/src/util/getopt_helpers.c
index d0c8c0e6a5883014f4015a49bdbe2ad0834a56ef..8b49c5907ab70bbbbf0f1ed6eb1e47b1084afe35 100644 (file)
--- a/src/util/getopt_helpers.c
+++ b/src/util/getopt_helpers.c
@@ -28,6 +28,8 @@
 #include "gnunet_common.h"
 #include "gnunet_getopt_lib.h"
 
+#define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
+
 
 /**
  * Print out program version (implements --version).
@@ -163,7 +165,7 @@ OUTER:
  * @param scls additional closure (will point to the 'int')
  * @param option name of the option
  * @param value not used (NULL)
- * @return GNUNET_OK 
+ * @return GNUNET_OK
  */
 int
 GNUNET_GETOPT_increment_value (struct GNUNET_GETOPT_CommandLineProcessorContext
@@ -178,7 +180,7 @@ GNUNET_GETOPT_increment_value (struct GNUNET_GETOPT_CommandLineProcessorContext
 
 
 /**
- * Set an option of type 'int' from the command line to 1 if the 
+ * Set an option of type 'int' from the command line to 1 if the
  * given option is present.
  * A pointer to this function should be passed as part of the
  * 'struct GNUNET_GETOPT_CommandLineOption' array to initialize options
@@ -189,7 +191,7 @@ GNUNET_GETOPT_increment_value (struct GNUNET_GETOPT_CommandLineProcessorContext
  * @param scls additional closure (will point to the 'int')
  * @param option name of the option
  * @param value not used (NULL)
- * @return GNUNET_OK 
+ * @return GNUNET_OK
  */
 int
 GNUNET_GETOPT_set_one (struct GNUNET_GETOPT_CommandLineProcessorContext *ctx,
@@ -214,7 +216,7 @@ GNUNET_GETOPT_set_one (struct GNUNET_GETOPT_CommandLineProcessorContext *ctx,
  *             which will be allocated)
  * @param option name of the option
  * @param value actual value of the option (a string)
- * @return GNUNET_OK 
+ * @return GNUNET_OK
  */
 int
 GNUNET_GETOPT_set_string (struct GNUNET_GETOPT_CommandLineProcessorContext *ctx,
@@ -223,8 +225,7 @@ GNUNET_GETOPT_set_string (struct GNUNET_GETOPT_CommandLineProcessorContext *ctx,
   char **val = scls;
 
   GNUNET_assert (value != NULL);
-  if (NULL != *val)
-    GNUNET_free (*val);
+  GNUNET_free_non_null (*val);
   *val = GNUNET_strdup (value);
   return GNUNET_OK;
 }