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Diffstat (limited to 'src/interfaces/ecpg/preproc/pgc.l')
-rw-r--r--src/interfaces/ecpg/preproc/pgc.l4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/interfaces/ecpg/preproc/pgc.l b/src/interfaces/ecpg/preproc/pgc.l
index 40bdd8d6d9d..adb61765bfe 100644
--- a/src/interfaces/ecpg/preproc/pgc.l
+++ b/src/interfaces/ecpg/preproc/pgc.l
@@ -27,7 +27,7 @@
extern YYSTYPE yylval;
static int xcdepth = 0; /* depth of nesting in slash-star comments */
-static char *dolqstart; /* current $foo$ quote start string */
+static char *dolqstart = NULL; /* current $foo$ quote start string */
static YY_BUFFER_STATE scanbufhandle;
static char *scanbuf;
@@ -524,6 +524,8 @@ cppline {space}*#([^i][A-Za-z]*|{if}|{ifdef}|{ifndef}|{import})(.*\\{space})*.
}
<SQL>{dolqdelim} {
token_start = yytext;
+ if (dolqstart)
+ free(dolqstart);
dolqstart = mm_strdup(yytext);
BEGIN(xdolq);
startlit();