diff options
Diffstat (limited to 'res/ael/ael.y')
| -rw-r--r-- | res/ael/ael.y | 124 |
1 files changed, 89 insertions, 35 deletions
diff --git a/res/ael/ael.y b/res/ael/ael.y index bcac79096..d16d20dff 100644 --- a/res/ael/ael.y +++ b/res/ael/ael.y @@ -319,10 +319,15 @@ statements : /* empty */ { $$ = NULL; } * detect the '-' but only the ':' as separator */ timerange: word3_list COLON word3_list COLON word3_list { - asprintf(&$$, "%s:%s:%s", $1, $3, $5); - free($1); - free($3); - free($5); } + if (asprintf(&$$, "%s:%s:%s", $1, $3, $5) < 0) { + ast_log(LOG_WARNING, "asprintf() failed\n"); + $$ = NULL; + } else { + free($1); + free($3); + free($5); + } + } | word { $$ = $1; } ; @@ -358,50 +363,90 @@ if_like_head : KW_IF test_expr { word_list : word { $$ = $1;} | word word { - asprintf(&($$), "%s%s", $1, $2); - free($1); - free($2); - prev_word = $$;} + if (asprintf(&($$), "%s%s", $1, $2) < 0) { + ast_log(LOG_WARNING, "asprintf() failed\n"); + $$ = NULL; + } else { + free($1); + free($2); + prev_word = $$; + } + } ; hint_word : word { $$ = $1; } | hint_word word { - asprintf(&($$), "%s %s", $1, $2); - free($1); - free($2); } + if (asprintf(&($$), "%s %s", $1, $2) < 0) { + ast_log(LOG_WARNING, "asprintf() failed\n"); + $$ = NULL; + } else { + free($1); + free($2); + } + } | hint_word COLON word { - asprintf(&($$), "%s:%s", $1, $3); - free($1); - free($3); } + if (asprintf(&($$), "%s:%s", $1, $3) < 0) { + ast_log(LOG_WARNING, "asprintf() failed\n"); + $$ = NULL; + } else { + free($1); + free($3); + } + } | hint_word AMPER word { /* there are often '&' in hints */ - asprintf(&($$), "%s&%s", $1, $3); - free($1); - free($3);} - + if (asprintf(&($$), "%s&%s", $1, $3) < 0) { + ast_log(LOG_WARNING, "asprintf() failed\n"); + $$ = NULL; + } else { + free($1); + free($3); + } + } + ; word3_list : word { $$ = $1;} | word word { - asprintf(&($$), "%s%s", $1, $2); - free($1); - free($2); - prev_word = $$;} + if (asprintf(&($$), "%s%s", $1, $2) < 0) { + ast_log(LOG_WARNING, "asprintf() failed\n"); + $$ = NULL; + } else { + free($1); + free($2); + prev_word = $$; + } + } | word word word { - asprintf(&($$), "%s%s%s", $1, $2, $3); - free($1); - free($2); - free($3); - prev_word=$$;} + if (asprintf(&($$), "%s%s%s", $1, $2, $3) < 0) { + ast_log(LOG_WARNING, "asprintf() failed\n"); + $$ = NULL; + } else { + free($1); + free($2); + free($3); + prev_word=$$; + } + } ; goto_word : word { $$ = $1;} | word word { - asprintf(&($$), "%s%s", $1, $2); - free($1); - free($2);} + if (asprintf(&($$), "%s%s", $1, $2) < 0) { + ast_log(LOG_WARNING, "asprintf() failed\n"); + $$ = NULL; + } else { + free($1); + free($2); + } + } | goto_word COLON word { - asprintf(&($$), "%s:%s", $1, $3); - free($1); - free($3);} + if (asprintf(&($$), "%s:%s", $1, $3) < 0) { + ast_log(LOG_WARNING, "asprintf() failed\n"); + $$ = NULL; + } else { + free($1); + free($3); + } + } ; switch_statement : KW_SWITCH test_expr LC case_statements RC { @@ -618,8 +663,17 @@ eswitches : KW_ESWITCHES LC switchlist RC { switchlist : /* empty */ { $$ = NULL; } | word SEMI switchlist { $$ = linku1(nword($1, &@1), $3); } - | word AT word SEMI switchlist { char *x; asprintf(&x,"%s@%s", $1,$3); free($1); free($3); - $$ = linku1(nword(x, &@1), $5);} + | word AT word SEMI switchlist { + char *x; + if (asprintf(&x,"%s@%s", $1, $3) < 0) { + ast_log(LOG_WARNING, "asprintf() failed\n"); + $$ = NULL; + } else { + free($1); + free($3); + $$ = linku1(nword(x, &@1), $5); + } + } | error switchlist {$$=$2;} ; |