Copy from GCC: Add linker_output as prefix for LTO temps (PR lto/86548).

[deliverable/binutils-gdb.git] / libiberty / make-temp-file.c

diff --git a/libiberty/make-temp-file.c b/libiberty/make-temp-file.c
index 89faed7f09ec53bdddb62d97bf14cf08e0d4e533..21b0545754245e5371ed4e5758b0b7870861a002 100644 (file)
--- a/libiberty/make-temp-file.c
+++ b/libiberty/make-temp-file.c
@@ -56,7 +56,7 @@ extern int mkstemps (char *, int);
 
 /* Name of temporary file.
    mktemp requires 6 trailing X's.  */
-#define TEMP_FILE "ccXXXXXX"
+#define TEMP_FILE "XXXXXX"
 #define TEMP_FILE_LEN (sizeof(TEMP_FILE) - 1)
 
 #if !defined(_WIN32) || defined(__CYGWIN__)
@@ -181,25 +181,31 @@ string is @code{malloc}ed, and the temporary file has been created.
 */
 
 char *
-make_temp_file (const char *suffix)
+make_temp_file_with_prefix (const char *prefix, const char *suffix)
 {
   const char *base = choose_tmpdir ();
   char *temp_filename;
-  int base_len, suffix_len;
+  int base_len, suffix_len, prefix_len;
   int fd;
 
+  if (prefix == 0)
+    prefix = "cc";
+
   if (suffix == 0)
     suffix = "";
 
   base_len = strlen (base);
+  prefix_len = strlen (prefix);
   suffix_len = strlen (suffix);
 
   temp_filename = XNEWVEC (char, base_len
                           + TEMP_FILE_LEN
-                          + suffix_len + 1);
+                          + suffix_len
+                          + prefix_len + 1);
   strcpy (temp_filename, base);
-  strcpy (temp_filename + base_len, TEMP_FILE);
-  strcpy (temp_filename + base_len + TEMP_FILE_LEN, suffix);
+  strcpy (temp_filename + base_len, prefix);
+  strcpy (temp_filename + base_len + prefix_len, TEMP_FILE);
+  strcpy (temp_filename + base_len + prefix_len + TEMP_FILE_LEN, suffix);
 
   fd = mkstemps (temp_filename, suffix_len);
   /* Mkstemps failed.  It may be EPERM, ENOSPC etc.  */
@@ -214,3 +220,9 @@ make_temp_file (const char *suffix)
     abort ();
   return temp_filename;
 }
+
+char *
+make_temp_file (const char *suffix)
+{
+  return make_temp_file_with_prefix (NULL, suffix);
+}