projects / thirdparty / util-linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 12089155 KZ |
1 | /* |
| 2 | * Copyright (C) 2011 Karel Zak <kzak@redhat.com> | |
| 3 | * | |
| 4 | * This file may be redistributed under the terms of the | |
| 5 | * GNU Lesser General Public License. | |
| 6 | */ | |
| 7 | ||
| 8 | #include <string.h> | |
| 9 | ||
| 10 | /* | |
| 11 | * match_fstype: | |
| 12 | * @type: filesystem type | |
| 13 | * @pattern: filesystem name or comma delimited list of names | |
| 14 | * | |
| 15 | * The @pattern list of filesystem can be prefixed with a global | |
| 16 | * "no" prefix to invert matching of the whole list. The "no" could | |
| 17 | * also be used for individual items in the @pattern list. So, | |
| 18 | * "nofoo,bar" has the same meaning as "nofoo,nobar". | |
| 19 | */ | |
| 20 | int match_fstype(const char *type, const char *pattern) | |
| 21 | { | |
| 22 | int no = 0; /* negated types list */ | |
| 23 | int len; | |
| 24 | const char *p; | |
| 25 | ||
| 26 | if (!pattern && !type) | |
| 27 | return 1; | |
| 28 | if (!pattern) | |
| 29 | return 0; | |
| 30 | ||
| 31 | if (!strncmp(pattern, "no", 2)) { | |
| 32 | no = 1; | |
| 33 | pattern += 2; | |
| 34 | } | |
| 35 | ||
| 36 | /* Does type occur in types, separated by commas? */ | |
| 37 | len = strlen(type); | |
| 38 | p = pattern; | |
| 39 | while(1) { | |
| 40 | if (!strncmp(p, "no", 2) && !strncmp(p+2, type, len) && | |
| 41 | (p[len+2] == 0 || p[len+2] == ',')) | |
| 42 | return 0; | |
| 43 | if (strncmp(p, type, len) == 0 && (p[len] == 0 || p[len] == ',')) | |
| 44 | return !no; | |
| 45 | p = strchr(p,','); | |
| 46 | if (!p) | |
| 47 | break; | |
| 48 | p++; | |
| 49 | } | |
| 50 | return no; | |
| 51 | } |