libctf: mark various args as unused in the !HAVE_MMAP case

[deliverable/binutils-gdb.git] / libctf / ctf-open.c

diff --git a/libctf/ctf-open.c b/libctf/ctf-open.c
index 5230d09a97fec5c1a40c3dd9a85b1bcf9d166366..1a517a140cae5284f107c22d2c5a665d58be8aaa 100644 (file)
--- a/libctf/ctf-open.c
+++ b/libctf/ctf-open.c
@@ -503,7 +503,7 @@ upgrade_types (ctf_file_t *fp, ctf_header_t *cth)
        case CTF_K_UNION:
        case CTF_K_ENUM:
        case CTF_K_UNKNOWN:
-         if (size <= CTF_MAX_SIZE)
+         if ((size_t) size <= CTF_MAX_SIZE)
            t2p->ctt_size = size;
          else
            {
@@ -1170,10 +1170,7 @@ ctf_file_t *ctf_simple_open (const char *ctfsect, size_t ctfsect_size,
   ctf_sect_t *strsectp = NULL;
 
   skeleton.cts_name = _CTF_SECTION;
-  skeleton.cts_type = SHT_PROGBITS;
-  skeleton.cts_flags = 0;
   skeleton.cts_entsize = 1;
-  skeleton.cts_offset = 0;
 
   if (ctfsect)
     {
@@ -1317,7 +1314,8 @@ ctf_bufopen (const ctf_sect_t *ctfsect, const ctf_sect_t *symsect,
 
   if (hp.cth_flags & CTF_F_COMPRESS)
     {
-      size_t srclen, dstlen;
+      size_t srclen;
+      uLongf dstlen;
       const void *src;
       int rc = Z_OK;
 
@@ -1339,7 +1337,7 @@ ctf_bufopen (const ctf_sect_t *ctfsect, const ctf_sect_t *symsect,
          return (ctf_set_open_errno (errp, ECTF_DECOMPRESS));
        }
 
-      if (dstlen != size)
+      if ((size_t) dstlen != size)
        {
          ctf_dprintf ("zlib inflate short -- got %lu of %lu "
                       "bytes\n", (unsigned long) dstlen, (unsigned long) size);
@@ -1678,12 +1676,15 @@ ctf_getmodel (ctf_file_t *fp)
   return fp->ctf_dmodel->ctd_code;
 }
 
+/* The caller can hang an arbitrary pointer off each ctf_file_t using this
+   function.  */
 void
 ctf_setspecific (ctf_file_t *fp, void *data)
 {
   fp->ctf_specific = data;
 }
 
+/* Retrieve the arbitrary pointer again.  */
 void *
 ctf_getspecific (ctf_file_t *fp)
 {