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comparison libinterp/parse-tree/lex.ll @ 26450:af7faef288ad stable

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lex.ll: Fix static analyzer detected issues (bug #55347). * lex.ll: Use "unsigned int" as the correct resulting variable for "%o" and "%x" sscanf conversions.
author Rik <rik@octave.org>
date Sat, 05 Jan 2019 07:28:53 -0800
parents 00f796120a6d
children 7647b82f921b
comparison
equal deleted inserted replaced
26449:f8107140087c 26450:af7faef288ad
856 <DQ_STRING_START>\\[0-7]{1,3} { 856 <DQ_STRING_START>\\[0-7]{1,3} {
857 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\\[0-7]{1,3}"); 857 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\\[0-7]{1,3}");
858 858
859 curr_lexer->m_current_input_column += yyleng; 859 curr_lexer->m_current_input_column += yyleng;
860 860
861 int result; 861 unsigned int result;
862 sscanf (yytext+1, "%o", &result); 862 sscanf (yytext+1, "%o", &result);
863 863
864 if (result > 0xff) 864 if (result > 0xff)
865 { 865 {
866 octave::token *tok 866 octave::token *tok
880 <DQ_STRING_START>\\x[0-9a-fA-F]+ { 880 <DQ_STRING_START>\\x[0-9a-fA-F]+ {
881 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\\x[0-9a-fA-F]+"); 881 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\\x[0-9a-fA-F]+");
882 882
883 curr_lexer->m_current_input_column += yyleng; 883 curr_lexer->m_current_input_column += yyleng;
884 884
885 int result; 885 unsigned int result;
886 sscanf (yytext+2, "%x", &result); 886 sscanf (yytext+2, "%x", &result);
887 887
888 // Truncate the value silently instead of checking the range like 888 // Truncate the value silently instead of checking the range like
889 // we do for octal above. This is to match C/C++ where any number 889 // we do for octal above. This is to match C/C++ where any number
890 // of digits is allowed but the value is implementation-defined if 890 // of digits is allowed but the value is implementation-defined if