On 7 Jan 2008, at 07:20, cwhite wrote:
I use
yylval.string_type = strdup(yytext);
in my flex file but it seems that this is wasteful and it may cause
memory
leaks. I thought that yytext gets replaced everytime the lexer is
called so
how is this wasteful? How do I free yylval so that those don't happen?
Perhaps there is an alternative to strdup, I'd like to know what
that is.
See 'man strdup'; memory must be freed using 'free'. Done say in the
actions, or using %destructor to do it during error recovers (see
Bison manual).
Hans Aberg
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