idevicedate: Fix -Wformat=2 warning

Format functions expect a constant expression, not a variable.

Simplified the code slightly.

1 files changed, 4 insertions, 13 deletions

diff --git a/tools/idevicedate.c b/tools/idevicedate.c
index 4de90b6..6dddc18 100644
--- a/tools/idevicedate.c
+++ b/tools/idevicedate.c
@@ -38,9 +38,9 @@
 #include <libimobiledevice/lockdown.h>
 
 #ifdef _DATE_FMT
-#define DATE_FMT_LANGINFO() nl_langinfo (_DATE_FMT)
+#define DATE_FMT_LANGINFO nl_langinfo (_DATE_FMT)
 #else
-#define DATE_FMT_LANGINFO() ""
+#define DATE_FMT_LANGINFO "%a %b %e %H:%M:%S %Z %Y"
 #endif
 
 static void print_usage(int argc, char **argv)
@@ -75,7 +75,6 @@ int main(int argc, char *argv[])
         uint64_t datetime = 0;
         time_t rawtime;
         struct tm * tmp;
-        char const *format = NULL;
         char buffer[80];
         int result = 0;
 
@@ -131,14 +130,6 @@ int main(int argc, char *argv[])
                 }
         }
 
-        /* determine a date format */
-        if (!format) {
-                format = DATE_FMT_LANGINFO ();
-                if (!*format) {
-                        format = "%a %b %e %H:%M:%S %Z %Y";
-                }
-        }
-
         ret = idevice_new(&device, udid);
         if (ret != IDEVICE_E_SUCCESS) {
                 if (udid) {
@@ -195,7 +186,7 @@ int main(int argc, char *argv[])
                 tmp = localtime(&rawtime);
 
                 /* finally we format and print the current date */
-                strftime(buffer, 80, format, tmp);
+                strftime(buffer, 80, DATE_FMT_LANGINFO, tmp);
                 puts(buffer);
         } else {
                 datetime = setdate;
@@ -217,7 +208,7 @@ int main(int argc, char *argv[])
 
                 if(lockdownd_set_value(client, NULL, "TimeIntervalSince1970", node) == LOCKDOWN_E_SUCCESS) {
                         tmp = localtime(&setdate);
-                        strftime(buffer, 80, format, tmp);
+                        strftime(buffer, 80, DATE_FMT_LANGINFO, tmp);
                         puts(buffer);
                 } else {
                         printf("ERROR: Failed to set date on device.\n");