From: Andres Mejia <amejia004@gmail.com>
Date: Sat, 22 Sep 2012 22:04:51 +0000 (-0400)
Subject: Implement command to test if commands are available in the current platform.
X-Git-Tag: v3.1.0~19^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5fbef6a07470912e033f316eeb42ff3e54877f9d;p=thirdparty%2Flibarchive.git

Implement command to test if commands are available in the current platform.
---

diff --git a/libarchive/test/main.c b/libarchive/test/main.c
index 68e965adc..5f9b4825d 100644
--- a/libarchive/test/main.c
+++ b/libarchive/test/main.c
@@ -1911,6 +1911,18 @@ canGzip(void)
 /*
  * Can this platform run the lrzip program?
  */
+int
+canRunCommand(const char *cmd)
+{
+  static int tested = 0, value = 0;
+  if (!tested) {
+    tested = 1;
+    if (systemf("%s %s", cmd, redirectArgs) == 0)
+      value = 1;
+  }
+  return (value);
+}
+
 int
 canLrzip(void)
 {
diff --git a/libarchive/test/test.h b/libarchive/test/test.h
index 11f173711..7ca2da7ac 100644
--- a/libarchive/test/test.h
+++ b/libarchive/test/test.h
@@ -275,6 +275,9 @@ int canGrzip(void);
 /* Return true if this platform can run the "gzip" program. */
 int canGzip(void);
 
+/* Return true if this platform can run the specified command. */
+int canRunCommand(const char *);
+
 /* Return true if this platform can run the "lrzip" program. */
 int canLrzip(void);