- Fix MDEV-9279. Replacing exit(1) in yy_fatal_error by a longjmp.

  modified:   storage/connect/fmdlex.c
  modified:   storage/connect/plgdbutl.cpp

storage/connect/fmdlex.c

+#include <setjmp.h>
+
 #define yyFlexLexer fmdfFlexLexer
 #define yy_create_buffer fmdf_create_buffer
 #define yy_delete_buffer fmdf_delete_buffer
@@ -506,13 +508,16 @@ YY_MALLOC_DECL
 #define YY_BREAK break;
 #endif
 
+static jmp_buf env;
+
 YY_DECL
   {
   register yy_state_type yy_current_state;
   register char *yy_cp, *yy_bp;
   register int yy_act;
 
-
+	if (setjmp(env))
+		return -1;
 
   /*************************************************************************/
   /* Flex parser to analyze date format and produce input and/or output    */
@@ -1316,7 +1321,7 @@ char msg[];
 #endif
   {
   (void) fprintf( stderr, "%s\n", msg );
-  exit( 1 );
+  longjmp(env, 1 );
   }
 
 

storage/connect/plgdbutl.cpp

@@ -679,7 +679,8 @@ void PlugConvertConstant(PGLOBAL g, void* & value, short& type)
 /*  non quoted blanks are not included in the output format.           */
 /***********************************************************************/
 PDTP MakeDateFormat(PGLOBAL g, PSZ dfmt, bool in, bool out, int flag)
-  {
+{
+	int  rc;
   PDTP pdp = (PDTP)PlugSubAlloc(g, NULL, sizeof(DATPAR));
 
   if (trace)
@@ -708,7 +709,7 @@ PDTP MakeDateFormat(PGLOBAL g, PSZ dfmt, bool in, bool out, int flag)
   pthread_mutex_lock(&parmut);
 #endif  // !__WIN__
 #endif  //  THREAD
-  /*int rc =*/ fmdflex(pdp);
+  rc = fmdflex(pdp);
 #if defined(THREAD)
 #if defined(__WIN__)
   LeaveCriticalSection((LPCRITICAL_SECTION)&parsec);
@@ -718,9 +719,10 @@ PDTP MakeDateFormat(PGLOBAL g, PSZ dfmt, bool in, bool out, int flag)
 #endif  //  THREAD
 
   if (trace)
-    htrc("Done:  in=%s out=%s\n", SVP(pdp->InFmt), SVP(pdp->OutFmt));           
+    htrc("Done: in=%s out=%s rc=%d\n", SVP(pdp->InFmt), SVP(pdp->OutFmt), rc);
+
   return pdp;
-  } // end of MakeDateFormat
+} // end of MakeDateFormat
 
 /***********************************************************************/
 /* Extract the date from a formatted string according to format.       */