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-rw-r--r--lib/support/parse_qtype.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/lib/support/parse_qtype.c b/lib/support/parse_qtype.c
new file mode 100644
index 0000000..d8df07d
--- /dev/null
+++ b/lib/support/parse_qtype.c
@@ -0,0 +1,90 @@
+/*
+ * 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