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fix bugs et invalid read hist

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This commit is contained in:
Gautier Wojda 2017-03-26 23:30:54 +02:00
parent 646a9cd430
commit 57406817c7
1 changed files with 5 additions and 6 deletions
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11
42sh/src/history/history_parsing.c
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@ -19,7 +19,7 @@ static int history_parsing_nb_and_previous(char *str, int *i)
if (!ft_strncmp("!!", str + *i, 2)) if (!ft_strncmp("!!", str + *i, 2))
{ {
ft_realloc_str_history(&(data_singleton()->line.input), *i, 0, 2); ft_realloc_str_history(&(data_singleton()->line.input), *i, 0, 2);
++(*i); (*i) += 2;
return (1); return (1);
} }
else if (str[*i + 1] == '-' && ft_isdigit(str[*i + 2]) && else if (str[*i + 1] == '-' && ft_isdigit(str[*i + 2]) &&
@ -38,7 +38,7 @@ static int check_validity(char *str, int i)
{ {
if (i && str[i - 1] == '\\') if (i && str[i - 1] == '\\')
return (0); return (0);
else if (str[i + 1] == '"') else if (!str[i + 1] || str[i + 1] == '"')
return (0); return (0);
return (1); return (1);
@ -97,22 +97,21 @@ int ft_history_parsing(int has_prompt, char **input)
i = 0; i = 0;
quote = 0; quote = 0;
boolean = 0; boolean = 0;
if (!data_singleton()->line.input)
return (0);
while (data_singleton()->line.input && data_singleton()->line.input[i]) while (data_singleton()->line.input && data_singleton()->line.input[i])
{ {
if (data_singleton()->line.input[i] == '\'') if (data_singleton()->line.input[i] == '\'')
quote = quote ? 0 : 1; quote = quote ? 0 : 1;
else if (!quote && data_singleton()->line.input[i] == '!') if (!quote && data_singleton()->line.input[i] == '!')
{ {
boolean = 1; boolean = 1;
if (!history_parsing_nb_and_name(data_singleton()->line.input, &i)) if (!history_parsing_nb_and_name(data_singleton()->line.input, &i))
boolean = 0; boolean = 0;
else else
break ; i = -1;
} }
++i; ++i;
} }
*input = data_singleton()->line.input;
if (boolean) if (boolean)
return (rematch_history_parsing(has_prompt, input)); return (rematch_history_parsing(has_prompt, input));
return (0); return (0);