blob: 33fb410f3bfd080edbae2d251961659cb54da43b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
#include "parser.h"
#include "../lib/malloc/malloc.h"
#include "../lib/cstr/cstr.h"
#include "../lib/sys/write.h"
char **__new_argv(char *exp);
void __free_argv(char **argv);
expression_list_t *new_expression_from_line(char *line)
{
u64 n = cstr_split(line, '|');
char *current = line;
char *next = 0;
for (; n > 0; --n) {
next = (char*)next_split(current);
strip_cstr(current, ' ');
write(0, current, cstr_length(current));
write(0, "\\n\n", 3);
current = next;
}
return 0;
}
char **__new_argv(char *exp)
{
u64 n = cstr_split(exp, ' ');
char **argv = malloc(sizeof(char*) * n + 1);
u64 i = 0;
char *current = exp;
char *next;
for (; n > 0; --n) {
next = (char*)next_split(current);
strip_cstr(current, ' ');
if (cstr_length(current))
argv[i++] = current;
current = next;
}
argv[i] = 0;
return argv;
}
void __free_argv(char **argv)
{
free(argv);
}
#ifdef PARSER_UNIT_TEST
#include "../lib/sys/execve.h"
int main() {
const char exp[] = "/bin/ls -a -l -h";
char **argv = __new_argv(exp);
char **p = argv;
char *const envp[] = { 0 };
execve(argv[0], argv, envp);
free(argv);
}
#endif
|
