]> diplodocus.org Git - nmh/blobdiff - sbr/dtimep.l
Make many m_getfld() buffer parameters NMH_BUFSIZ big.
[nmh] / sbr / dtimep.l
index bae6ac5c64e6dc1ce2bdf609f165cf365f721211..2b6df17570c472bc0ae4d1e0d738f841e6877149 100644 (file)
@@ -1,4 +1,6 @@
-/* dtimep.lex exceeds the default table capacities for some old versions
+/* dtimep.l -- parse dates and times.
+ *
+ * This exceeds the default table capacities for some old versions
  * of lex (and the minimum defaults as specified by POSIX).  The following
  * choices meet or exceed the lex defaults for older SunOS4.x, Solaris,
  * HPUX, and AIX.
   /* Since we're looking at a string at a time, don't worry about
    *  wrapping to the next buffer.
    */
+#if YY_FLEX_MAJOR_VERSION == 2 && \
+    YY_FLEX_MINOR_VERSION == 6 && \
+    YY_FLEX_SUBMINOR_VERSION == 3
+/* https://github.com/westes/flex/issues/162 */
+#undef yywrap
+#endif
 #define yywrap() 1
 #define YY_SKIP_YYWRAP
 
@@ -27,7 +35,7 @@
    */
 #define YY_DECL struct tws *dparsetime(char *lexstr)
 
-  /* yyerminate() is called after the input string is matched to
+  /* yyterminate() is called after the input string is matched to
    * completion (actually, when the lexer reaches an EOF).  The only
    * thing that really needs to be in this macro function is the
    * return call, which must be substituted inline into dparsetime.
     tw.tw_year += 100; \
   return(&tw)
 
-/*
- * Patchable flag that says how to interpret NN/NN/NN dates. When
- * true, we do it European style: DD/MM/YY. When false, we do it
- * American style: MM/DD/YY.  Of course, these are all non-RFC822
- * compliant.
- */
-int europeandate = 0;
-
 /*
  * Table to convert month names to numeric month.  We use the
  * fact that the low order 5 bits of the sum of the 2nd & 3rd
@@ -133,7 +133,7 @@ static int day_map[] = {
 #define SETYEAR()    { tw.tw_year = atoi(cp); \
                       SKIPD(); }
 #define SETDAY()     { tw.tw_mday = atoi(cp); \
-                       tw.tw_flags |= TW_YES; \
+                       tw.tw_flags |= TW_SUCC; \
                       SKIPD(); }
 #define SETTIME()    { tw.tw_hour = atoi(cp); \
                        cp += 2; \
@@ -159,7 +159,6 @@ static int day_map[] = {
 #define SKIPTOSP()   { while ( !isspace((unsigned char) *cp++) ) ; \
                        --cp; }
 
-#ifdef ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST
 # ifdef HAVE_SYS_TIME_H
 #  include <sys/time.h>
 # endif
@@ -168,7 +167,7 @@ static int day_map[] = {
 static void
 zonehack (struct tws *tw)
 {
-    register struct tm *tm;
+    struct tm *tm;
 
     if (dmktime (tw) == (time_t) -1)
        return;
@@ -179,7 +178,6 @@ zonehack (struct tws *tw)
        tw->tw_zone -= 60;
     }
 }
-#endif /* ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST */
 %}
 
 sun    ([Ss]un(day)?)
@@ -315,17 +313,10 @@ nl      [ \t\n()]
                                      }
 {D}("-"|"/"){D}("-"|"/"){YEAR}{W}{TIME}       {
                                      INIT();
-                                    if(europeandate) {
-                                      /* DD/MM/YY */
-                                    SETDAY();
-                                    SKIPTOD();
-                                    SETMON_NUM();
-                                    } else {
-                                      /* MM/DD/YY */
+                                    /* MM/DD/YY */
                                     SETMON_NUM();
                                     SKIPTOD();
                                     SETDAY();
-                                    }
                                     SKIPTOD();
                                     SETYEAR();
                                     SKIPTOD();
@@ -333,17 +324,10 @@ nl      [ \t\n()]
                                      }
 {D}("-"|"/"){D}("-"|"/"){YEAR}                {
                                      INIT();
-                                    if(europeandate) {
-                                      /* DD/MM/YY */
-                                    SETDAY();
-                                    SKIPTOD();
-                                    SETMON_NUM();
-                                    } else {
-                                      /* MM/DD/YY */
+                                    /* MM/DD/YY */
                                     SETMON_NUM();
                                     SKIPTOD();
                                     SETDAY();
-                                    }
                                     SKIPTOD();
                                     SETYEAR();
                                      }
@@ -355,18 +339,14 @@ nl      [ \t\n()]
                                     INIT();
                                     SKIPTOD();
                                     SETZONE(atoi(cp));
-#ifdef ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST
                                    zonehack (&tw);
-#endif /* ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST */
                                    yyterminate();
                                     }
 "-"{D}{d}{d}                                  {
                                     INIT();
                                     SKIPTOD();
                                     SETZONE(-atoi(cp));
-#ifdef ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST
                                    zonehack (&tw);
-#endif /* ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST */
                                    yyterminate();
                                    
                                     }
@@ -404,4 +384,3 @@ void dtimep_yyunput(int c)
 {
     unput(c);
 }
-