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/*
* 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
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