[dev] [PATCH 1/2] find: "-" by itself is a file name

[tavianator]

From: Tavian Barnes <taviana...@tavianator.com>

See https://savannah.gnu.org/bugs/?15235 for a discussion of why the
POSIX wording implies that "-" by itself is not part of the expression.
---
 find.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/find.c b/find.c
index 03889a8..f96c05b 100644
--- a/find.c
+++ b/find.c
@@ -1015,6 +1015,12 @@ usage(void)
        eprintf("usage: %s [-H | -L] path ... [expression ...]\n", argv0);
 }
 
+static int
+is_path(const char *arg)
+{
+       return !(arg[0] == '-' && arg[1]) && strcmp(arg, "!") && strcmp(arg, 
"(");
+}
+
 int
 main(int argc, char **argv)
 {
@@ -1037,7 +1043,7 @@ main(int argc, char **argv)
 
        paths = argv;
 
-       for (; *argv && **argv != '-' && strcmp(*argv, "!") && strcmp(*argv, 
"("); argv++)
+       for (; *argv && is_path(*argv); argv++)
                ;
 
        if (!(npaths = argv - paths))
-- 
2.19.1