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Make lexer fail gracefully when memory can't be allocated.

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This commit is contained in:
Dave Hylands 2014-10-08 23:17:35 -07:00
parent 67f25dfe6f
commit e20cbbec73
1 changed files with 4 additions and 1 deletions
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5
py/lexerstr.c
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@ -52,7 +52,10 @@ STATIC void str_buf_free(mp_lexer_str_buf_t *sb) {
}
mp_lexer_t *mp_lexer_new_from_str_len(qstr src_name, const char *str, mp_uint_t len, mp_uint_t free_len) {
mp_lexer_str_buf_t *sb = m_new_obj(mp_lexer_str_buf_t);
mp_lexer_str_buf_t *sb = m_new_maybe(mp_lexer_str_buf_t, 1);
if (sb == NULL) {
return NULL;
}
sb->free_len = free_len;
sb->src_beg = str;
sb->src_cur = str;