cli: Share a common write_cmd() implementation

[mech_eap.git] / src / common / cli.c

diff --git a/src/common/cli.c b/src/common/cli.c
index 6e00188..64c0159 100644 (file)
--- a/src/common/cli.c
+++ b/src/common/cli.c
@@ -206,3 +206,32 @@ int get_cmd_arg_num(const char *str, int pos)
                arg--;
        return arg;
 }
+
+
+int write_cmd(char *buf, size_t buflen, const char *cmd, int argc, char *argv[])
+{
+       int i, res;
+       char *pos, *end;
+
+       pos = buf;
+       end = buf + buflen;
+
+       res = os_snprintf(pos, end - pos, "%s", cmd);
+       if (os_snprintf_error(end - pos, res))
+               goto fail;
+       pos += res;
+
+       for (i = 0; i < argc; i++) {
+               res = os_snprintf(pos, end - pos, " %s", argv[i]);
+               if (os_snprintf_error(end - pos, res))
+                       goto fail;
+               pos += res;
+       }
+
+       buf[buflen - 1] = '\0';
+       return 0;
+
+fail:
+       printf("Too long command\n");
+       return -1;
+}