Import sources from 2011-03-30 iso image

1 files changed, 24 insertions, 0 deletions

diff --git a/sys/src/ape/lib/ap/plan9/execvp.c b/sys/src/ape/lib/ap/plan9/execvp.c
new file mode 100755
index 000000000..f2ed53d1d
--- /dev/null
+++ b/sys/src/ape/lib/ap/plan9/execvp.c
@@ -0,0 +1,24 @@
+#include <unistd.h>
+#include <sys/limits.h>
+#include <string.h>
+
+extern char **environ;
+
+/*
+ * BUG: instead of looking at PATH env variable,
+ * just try prepending /bin/ if name fails...
+ */
+
+int
+execvp(const char *name, const char **argv)
+{
+	int n;
+	char buf[PATH_MAX];
+
+	if((n=execve(name, argv, environ)) < 0){
+		strcpy(buf, "/bin/");
+		strcpy(buf+5, name);
+		n = execve(buf, argv, environ);
+	}
+	return n;
+}