[PATCH 09/18] test: add -L support to test if it's a symbolic link
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Mon Sep 3 06:08:09 EDT 2012
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
commands/test.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/commands/test.c b/commands/test.c
index 9ffa892..56e8c52 100644
--- a/commands/test.c
+++ b/commands/test.c
@@ -44,6 +44,7 @@ typedef enum {
OPT_FILE,
OPT_EXISTS,
OPT_MAX,
+ OPT_SYMBOLIC_LINK,
} test_opts;
static char *test_options[] = {
@@ -62,6 +63,7 @@ static char *test_options[] = {
[OPT_FILE] = "-f",
[OPT_DIRECTORY] = "-d",
[OPT_EXISTS] = "-e",
+ [OPT_SYMBOLIC_LINK] = "-L",
};
static int parse_opt(const char *opt)
@@ -140,9 +142,10 @@ static int do_test(int argc, char *argv[])
case OPT_FILE:
case OPT_DIRECTORY:
case OPT_EXISTS:
+ case OPT_SYMBOLIC_LINK:
adv = 2;
if (ap[1] && *ap[1] != ']' && strlen(ap[1])) {
- expr = stat(ap[1], &statbuf);
+ expr = (opt == OPT_SYMBOLIC_LINK ? lstat : stat)(ap[1], &statbuf);
if (expr < 0) {
expr = 0;
break;
@@ -160,6 +163,10 @@ static int do_test(int argc, char *argv[])
expr = 1;
break;
}
+ if (opt == OPT_SYMBOLIC_LINK && S_ISLNK(statbuf.st_mode)) {
+ expr = 1;
+ break;
+ }
}
break;
@@ -224,7 +231,7 @@ static const char *test_aliases[] = { "[", NULL};
static const __maybe_unused char cmd_test_help[] =
"Usage: test [OPTIONS]\n"
-"options: !, =, !=, -eq, -ne, -ge, -gt, -le, -lt, -o, -a, -z, -n, -d, -e, -f\n"
+"options: !, =, !=, -eq, -ne, -ge, -gt, -le, -lt, -o, -a, -z, -n, -d, -e, -f, -L\n"
"see 'man test' on your PC for more information.\n";
static const __maybe_unused char cmd_test_usage[] = "minimal test like /bin/sh";
--
1.7.10.4
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