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changeset 41:7eafdb3a8074
Fixed symbol parsing to prevent string overflow
| author | lost |
|---|---|
| date | Sat, 03 Jan 2009 19:50:30 +0000 |
| parents | d2cee0c335e7 |
| children | 4bb7b723e5b7 |
| files | src/expr.c |
| diffstat | 1 files changed, 4 insertions(+), 3 deletions(-) [+] |
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--- a/src/expr.c Sat Jan 03 19:41:39 2009 +0000 +++ b/src/expr.c Sat Jan 03 19:50:30 2009 +0000 @@ -390,8 +390,8 @@ char *sb; // evaluate a symbol here - static const char *symchars = "_.$@\\abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; - while (strchr(symchars, (*p)[l])) + static const char *symchars = "_.$@?abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; + while ((*p)[l] && strchr(symchars, (*p)[l])) l++; if (l == 0) @@ -403,8 +403,9 @@ t = lwasm_expr_term_create_sym(sb); lwasm_expr_stack_push(s, t); lwasm_expr_term_free(t); + (*p) += l; + debug_message(3, "Symbol: '%s'; (%s)", sb, *p); lwasm_free(sb); - (*p) += l; return 0; }