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-rw-r--r--xmlcatalog.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/xmlcatalog.c b/xmlcatalog.c
index 006f0cc9..c02b97f6 100644
--- a/xmlcatalog.c
+++ b/xmlcatalog.c
@@ -312,7 +312,8 @@ static void usage(const char *name) {
/* split into 2 printf's to avoid overly long string (gcc warning) */
printf("\
Usage : %s [options] catalogfile entities...\n\
-\tParse the catalog file and query it for the entities\n\
+\tParse the catalog file (void specification possibly expressed as \"\"\n\
+\tappoints the default system one) and query it for the entities\n\
\t--sgml : handle SGML Super catalogs for --add and --del\n\
\t--shell : run a shell allowing interactive queries\n\
\t--create : create a new catalog\n\
@@ -408,11 +409,18 @@ int main(int argc, char **argv) {
continue;
} else if (argv[i][0] == '-')
continue;
- filename = argv[i];
+
+ if (filename == NULL && argv[i][0] == '\0') {
+ /* Interpret empty-string catalog specification as
+ a shortcut for a default system catalog. */
+ xmlInitializeCatalog();
+ } else {
+ filename = argv[i];
ret = xmlLoadCatalog(argv[i]);
if ((ret < 0) && (create)) {
xmlCatalogAdd(BAD_CAST "catalog", BAD_CAST argv[i], NULL);
}
+ }
break;
}