FreeChainXenon/binutils-gdb
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Replace two xmallocs with unique_ptr

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This replaces a couple of uses of xmalloc with gdb::unique_ptr, also
removing a couple of cleanups.

2016-10-21  Tom Tromey  <tom@tromey.com>

	* cli/cli-dump.c (dump_memory_to_file): Use gdb::unique_ptr.
	(restore_binary_file): Likewise.
This commit is contained in:
Tom Tromey 2016-09-24 21:21:35 -06:00
parent 1e3b796d58
commit cd9da5b077
2 changed files with 13 additions and 11 deletions
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19
gdb/cli/cli-dump.c
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@ -212,7 +212,6 @@ dump_memory_to_file (const char *cmd, const char *mode, const char *file_format)
CORE_ADDR hi;
ULONGEST count;
const char *filename;
gdb_byte *buf;
const char *lo_exp;
const char *hi_exp;
@ -237,18 +236,17 @@ dump_memory_to_file (const char *cmd, const char *mode, const char *file_format)
/* FIXME: Should use read_memory_partial() and a magic blocking
value. */
buf = (gdb_byte *) xmalloc (count);
make_cleanup (xfree, buf);
read_memory (lo, buf, count);
gdb::unique_ptr<gdb_byte[]> buf (new gdb_byte[count]);
read_memory (lo, buf.get (), count);
/* Have everything. Open/write the data. */
if (file_format == NULL || strcmp (file_format, "binary") == 0)
{
dump_binary_file (filename, mode, buf, count);
dump_binary_file (filename, mode, buf.get (), count);
}
else
{
dump_bfd_file (filename, mode, file_format, lo, buf, count);
dump_bfd_file (filename, mode, file_format, lo, buf.get (), count);
}
do_cleanups (old_cleanups);
@ -518,7 +516,6 @@ restore_binary_file (const char *filename, struct callback_data *data)
{
struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
FILE *file = fopen_with_cleanup (filename, FOPEN_RB);
gdb_byte *buf;
long len;
/* Get the file size for reading. */
@ -553,13 +550,13 @@ restore_binary_file (const char *filename, struct callback_data *data)
perror_with_name (filename);
/* Now allocate a buffer and read the file contents. */
buf = (gdb_byte *) xmalloc (len);
make_cleanup (xfree, buf);
if (fread (buf, 1, len, file) != len)
gdb::unique_ptr<gdb_byte[]> buf (new gdb_byte[len]);
if (fread (buf.get (), 1, len, file) != len)
perror_with_name (filename);
/* Now write the buffer into target memory. */
len = target_write_memory (data->load_start + data->load_offset, buf, len);
len = target_write_memory (data->load_start + data->load_offset,
buf.get (), len);
if (len != 0)
warning (_("restore: memory write failed (%s)."), safe_strerror (len));
do_cleanups (cleanup);