Return unique_xmalloc_ptr from target_read_stralloc
authorTom Tromey <tom@tromey.com>
Thu, 12 Oct 2017 22:48:35 +0000 (16:48 -0600)
committerTom Tromey <tom@tromey.com>
Mon, 16 Oct 2017 22:10:21 +0000 (16:10 -0600)
commitb7b030adc405017f01e996a90f85e40730ef8397
tree5d6fdf82c43f719834633295cbcde80f75d5663d
parentb80406accc70791a1789e40f24d64161bc41de34
Return unique_xmalloc_ptr from target_read_stralloc

This changes target_read_stralloc to return a unique_xmalloc_ptr, and
then fixes all the callers.  unique_xmalloc_ptr is used, rather than
std::string, because target_read_stralloc gives a special meaning to a
NULL return.

ChangeLog
2017-10-16  Tom Tromey  <tom@tromey.com>

* xml-syscall.c (xml_init_syscalls_info): Update.
* xml-support.c (xinclude_start_include): Update.
(xml_fetch_content_from_file): Return unique_xmalloc_ptr.
* xml-support.h (xml_fetch_another): Return unique_xmalloc_ptr.
(xml_fetch_content_from_file): Likewise.
* osdata.c (get_osdata): Update.
* target.h (target_read_stralloc, target_get_osdata): Return
unique_xmalloc_ptr.
* solib-aix.c (solib_aix_get_library_list): Update.
* solib-target.c (solib_target_current_sos): Update.
* solib-svr4.c (svr4_current_sos_via_xfer_libraries): Update.
* xml-tdesc.c (fetch_available_features_from_target): Update.
(target_fetch_description_xml): Update.
(file_read_description_xml): Update.
* remote.c (remote_get_threads_with_qxfer, remote_memory_map)
(remote_traceframe_info, btrace_read_config, remote_read_btrace)
(remote_pid_to_exec_file): Update.
* target.c (target_read_stralloc): Return unique_xmalloc_ptr.
(target_get_osdata): Likewise.
12 files changed:
gdb/ChangeLog
gdb/osdata.c
gdb/remote.c
gdb/solib-aix.c
gdb/solib-svr4.c
gdb/solib-target.c
gdb/target.c
gdb/target.h
gdb/xml-support.c
gdb/xml-support.h
gdb/xml-syscall.c
gdb/xml-tdesc.c