[Xfce4-commits] <xfce4-weather-plugin:master> Add string-to-double helper function, using alternate value in case of error.

[Harald Judt]

Updating branch refs/heads/master
         to 37c1524bc4be019c695d92d98d43c85f320d1263 (commit)
       from fd3dab2254e561db21a7c40045f5120481eb3642 (commit)

commit 37c1524bc4be019c695d92d98d43c85f320d1263
Author: Harald Judt <h.judt at gmx.at>
Date:   Wed Nov 21 13:10:31 2012 +0100

    Add string-to-double helper function, using alternate value in case of error.

 panel-plugin/weather-data.c |   12 ++++++++++++
 panel-plugin/weather-data.h |    3 +++
 2 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/panel-plugin/weather-data.c b/panel-plugin/weather-data.c
index ca3e804..ffc353e 100644
--- a/panel-plugin/weather-data.c
+++ b/panel-plugin/weather-data.c
@@ -53,6 +53,18 @@ has_timeslice(xml_weather *data,
 }
 
 
+/* convert string to a double value, returning backup value on error */
+gdouble
+string_to_double(const gchar *str,
+                 gdouble backup)
+{
+    gdouble d = backup;
+    if (str && strlen(str) > 0)
+        d = g_ascii_strtod(str, NULL);
+    return d;
+}
+
+
 gchar *
 get_data(const xml_time *timeslice,
          const unit_systems unit_system,
diff --git a/panel-plugin/weather-data.h b/panel-plugin/weather-data.h
index 05d680c..288ceaf 100644
--- a/panel-plugin/weather-data.h
+++ b/panel-plugin/weather-data.h
@@ -55,6 +55,9 @@ typedef enum {
 } daytime;
 
 
+gdouble string_to_double(const gchar *str,
+                         gdouble backup);
+
 gchar *get_data(const xml_time *timeslice,
                 unit_systems unit_system,
                 data_types type);