1 files changed, 0 insertions, 99 deletions
diff --git a/CC/foreign/expand_exec.c b/CC/foreign/expand_exec.c
deleted file mode 100644
index a4ff311..0000000
--- a/CC/foreign/expand_exec.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright 2023 Huawei Cloud Computing Technology Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-/* usage: ./expand_exec [VARS...] -- ARGS... */
-int main(int argc, const char *argv[]) {
-  char **outv;
-  const char **varv;
-  int i, j, varc, sep = 0, retval = 0;
-  for (i = 1; i < argc; ++i)
-    if (strcmp(argv[i], "--") == 0) {
-      sep = i;
-      break;
-    }
-  varc = sep - 1;
-  argc -= sep + 1;
-  if (sep == 0 || argc < 1)
-    return 1; /* error: missing sep or args */
-  varv = &argv[1];
-  argv = &argv[sep + 1];
-  outv = (char **)calloc((size_t)(argc + 1), sizeof(char *));
-  for (i = 0; i < argc; ++i) { /* iterate ARGS */
-    const char *arg = argv[i];
-    size_t arg_pos = 0, arg_len = strlen(arg);
-    size_t out_pos = 0, out_len = arg_len;
-    size_t str_pos = 0, str_len = 0;
-    char *out = (char *)calloc((size_t)(out_len + 1), sizeof(char));
-    for (; arg_pos < arg_len; ++arg_pos) {
-      if (strncmp(&arg[arg_pos], "$(", 2) == 0) {
-        const char *start = &arg[arg_pos + 2];
-        const char *end = strchr(start, ')');
-        if (end == NULL) {
-          retval = 2; /* error: unterminated $(VAR) expression */
-          free(out);
-          goto cleanup;
-        }
-        for (j = 0; j < varc; ++j) { /* lookup VAR */
-          const char *var = varv[j];
-          size_t len_var = strlen(var);
-          if ((size_t)(end - start) != len_var)
-            continue;
-          if (strncmp(&arg[arg_pos + 2], var, len_var) == 0) {
-            size_t val_len, out_len_new;
-            const char *val = getenv(var);
-            if (val == NULL)
-              val = "";
-            val_len = strlen(val);
-            out_len_new = out_pos + str_len + val_len;
-            if (out_len_new > out_len) {
-              out = (char *)realloc(out, out_len_new + 1);
-              out_len = out_len_new;
-            }
-            strncat(out, &arg[str_pos], str_len); /* concat preceding substr */
-            strncat(out, val, val_len);           /* concat variable value */
-            arg_pos += len_var + 2;
-            out_pos += str_len + val_len;
-            str_pos = arg_pos + 1;
-            str_len = 0;
-            break;
-          }
-        }
-        if (j != varc)
-          continue; /* success */
-      }
-      ++str_len;
-    }
-    if (str_len > 0) {
-      if (out_pos + str_len > out_len) {
-        out = (char *)realloc(out, out_pos + str_len + 1);
-      }
-      strncat(out, &arg[str_pos], str_len);
-    }
-    outv[i] = out;
-  }
-  execvp(outv[0], outv);
-  retval = 3; /* error: exec failed */
-cleanup:
-  for (i = 0; i < argc; ++i)
-    if (outv[i] != NULL)
-      free(outv[i]);
-  free(outv);
-  return retval;
-}