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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
| /*
| * parse_qtype.c
| */
|
| #include "config.h"
| #include <sys/types.h>
| #include <sys/stat.h>
| #include <unistd.h>
| #include <errno.h>
| #include <string.h>
| #include <fcntl.h>
|
| #include "quotaio.h"
|
| #define PARSE_DELIM ":,"
|
| int parse_quota_types(const char *in_str, unsigned int *qtype_bits,
| char **err_token)
| {
| char *buf, *token, *next, *tmp;
| unsigned int qtype = *qtype_bits;
| int len, ret = 0;
|
| if (!in_str)
| return 0;
|
| len = strlen(in_str);
| buf = malloc(len + 1);
| if (!buf)
| return ENOMEM;
| strcpy(buf, in_str);
|
| for (token = buf, next = strtok_r(buf, PARSE_DELIM, &tmp);
| token && *token; token = next) {
| int not = 0;
| char *p = token;
|
| if (*p == '^') {
| not = 1;
| p++;
| }
| if (!strcmp(p, "usr") || !strcmp(p, "usrquota")) {
| if (not)
| qtype &= ~QUOTA_USR_BIT;
| else
| qtype |= QUOTA_USR_BIT;
| } else if (!strcmp(p, "grp") || !strcmp(p, "grpquota")) {
| if (not)
| qtype &= ~QUOTA_GRP_BIT;
| else
| qtype |= QUOTA_GRP_BIT;
| } else if (!strcmp(p, "prj") || !strcmp(p, "prjquota")) {
| if (not)
| qtype &= ~QUOTA_PRJ_BIT;
| else
| qtype |= QUOTA_PRJ_BIT;
| } else {
| if (err_token) {
| *err_token = malloc(strlen(token) + 1);
| if (*err_token)
| strcpy(*err_token, token);
| }
| ret = EINVAL;
| goto errout;
| }
| #ifdef DEBUG_PROGRAM
| printf("word: %s\n", token);
| #endif
| next = strtok_r(NULL, PARSE_DELIM, &tmp);
| }
| *qtype_bits = qtype;
| errout:
| free(buf);
| return ret;
| }
|
| #ifdef DEBUG_PROGRAM
| int main(int argc, char **argv)
| {
| unsigned int qtype_bits = 0;
| int ret;
| char *err_token = 0;
|
| ret = parse_quota_types(argv[1], &qtype_bits, &err_token);
| printf("parse_quota_types returns %d, %d\n", ret, qtype_bits);
| if (err_token)
| printf("err_token is %s\n", err_token);
| return 0;
| }
| #endif
|
|
