added functions to case-insensitively compare strings that might be NULL

[rocksndiamonds.git] / src / libgame / misc.c

diff --git a/src/libgame/misc.c b/src/libgame/misc.c
index d3ce694021fc36fe30e04b263406622ff0c2ad0e..7a3afc688ae3636bec5705994f0846933987d6a8 100644 (file)
--- a/src/libgame/misc.c
+++ b/src/libgame/misc.c
@@ -918,6 +918,23 @@ char *getDefaultUserName(int nr)
   return user_name[nr];
 }
 
+char *getTimestampFromEpoch(time_t epoch_seconds)
+{
+  struct tm *now = localtime(&epoch_seconds);
+  static char timestamp[20];
+
+  sprintf(timestamp, "%04d%02d%02d-%02d%02d%02d",
+         now->tm_year + 1900, now->tm_mon + 1, now->tm_mday,
+         now->tm_hour, now->tm_min, now->tm_sec);
+
+  return timestamp;
+}
+
+char *getCurrentTimestamp(void)
+{
+  return getTimestampFromEpoch(time(NULL));
+}
+
 time_t getFileTimestampEpochSeconds(char *filename)
 {
   struct stat file_status;
@@ -1161,6 +1178,22 @@ boolean strEqualN(char *s1, char *s2, int n)
          strncmp(s1, s2, n) == 0);
 }
 
+boolean strEqualCase(char *s1, char *s2)
+{
+  return (s1 == NULL && s2 == NULL ? TRUE  :
+         s1 == NULL && s2 != NULL ? FALSE :
+         s1 != NULL && s2 == NULL ? FALSE :
+         strcasecmp(s1, s2) == 0);
+}
+
+boolean strEqualCaseN(char *s1, char *s2, int n)
+{
+  return (s1 == NULL && s2 == NULL ? TRUE  :
+         s1 == NULL && s2 != NULL ? FALSE :
+         s1 != NULL && s2 == NULL ? FALSE :
+         strncasecmp(s1, s2, n) == 0);
+}
+
 boolean strPrefix(char *s, char *prefix)
 {
   return (s == NULL && prefix == NULL ? TRUE  :