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authorKay Sievers <kay.sievers@vrfy.org>2011-07-07 19:59:03 +0200
committerKay Sievers <kay.sievers@vrfy.org>2011-07-07 19:59:03 +0200
commit91f329fcd0baafd21ceb178cfbae0235f5abbcb0 (patch)
treeaa528d404747bcd69a31ccc9d0d8cac07170cf21
parent8992abf5528fe332ca041f6c7d03df820406feb4 (diff)
path_id: add ID_PATH_TAG= to be used in udev tags
-rw-r--r--extras/path_id/path_id.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/extras/path_id/path_id.c b/extras/path_id/path_id.c
index 9e77b8a7cc..98f0e40089 100644
--- a/extras/path_id/path_id.c
+++ b/extras/path_id/path_id.c
@@ -508,7 +508,37 @@ int main(int argc, char **argv)
}
out:
if (path != NULL) {
+ char tag[UTIL_NAME_SIZE];
+ size_t i;
+ const char *p;
+
+ /* compose valid udev tag name */
+ for (p = path, i = 0; *p; p++) {
+ if ((*p >= '0' && *p <= '9') ||
+ (*p >= 'A' && *p <= 'Z') ||
+ (*p >= 'a' && *p <= 'z') ||
+ *p == '-') {
+ tag[i++] = *p;
+ continue;
+ }
+
+ /* skip all leading '_' */
+ if (i == 0)
+ continue;
+
+ /* avoid second '_' */
+ if (tag[i-1] == '_')
+ continue;
+
+ tag[i++] = '_';
+ }
+ /* strip trailing '_' */
+ while (i > 0 && tag[i-1] == '_')
+ i--;
+ tag[i] = '\0';
+
printf("ID_PATH=%s\n", path);
+ printf("ID_PATH_TAG=%s\n", tag);
free(path);
rc = EXIT_SUCCESS;
}