better diagnostics, find command in $PATH

1 files changed, 4 insertions, 3 deletions

diff --git a/exec/exec.c b/exec/exec.c
index f3ee85e..c32c637 100644
--- a/exec/exec.c
+++ b/exec/exec.c
@@ -1,6 +1,7 @@
-#define _POSIX_SOURCE
+#define _POSIX_C_SOURCE 200809L
 #include <errno.h>
 #include <stdio.h>
+#include <string.h>
 #include <unistd.h>
 
 #define NOT_RUN		(126)
@@ -13,8 +14,8 @@ int main(int argc, char *argv[])
 		return NOT_RUN;
 	}
 
-	execv(argv[1], argv + 1);
-	perror(argv[0]);
+	execvp(argv[1], argv + 1);
+	fprintf(stderr, "%s: %s: %s\n", argv[0], argv[1], strerror(errno));
 	if (errno == ENOENT) {
 		return NOT_FOUND;
 	}