Return std::string from perror_string

Change perror_string to return a std::string, removing a cleanup in
the process.

ChangeLog
2017-09-03  Tom Tromey  <tom@tromey.com>

	* utils.c (perror_string): Return a std::string.
	(throw_perror_with_name, perror_warning_with_name): Update.
This commit is contained in:
Tom Tromey 2017-08-13 23:47:01 -06:00
parent 453437863c
commit 18e9961f02
2 changed files with 12 additions and 21 deletions

View File

@ -1,3 +1,8 @@
2017-09-03 Tom Tromey <tom@tromey.com>
* utils.c (perror_string): Return a std::string.
(throw_perror_with_name, perror_warning_with_name): Update.
2017-09-03 Tom Tromey <tom@tromey.com>
* demangle.c (demangle_command): Use std::string,

View File

@ -751,23 +751,15 @@ add_internal_problem_command (struct internal_problem *problem)
}
/* Return a newly allocated string, containing the PREFIX followed
by the system error message for errno (separated by a colon).
by the system error message for errno (separated by a colon). */
The result must be deallocated after use. */
static char *
static std::string
perror_string (const char *prefix)
{
char *err;
char *combined;
err = safe_strerror (errno);
combined = (char *) xmalloc (strlen (err) + strlen (prefix) + 3);
strcpy (combined, prefix);
strcat (combined, ": ");
strcat (combined, err);
return combined;
return std::string (prefix) + ": " + err;
}
/* Print the system error message for errno, and also mention STRING
@ -777,10 +769,7 @@ perror_string (const char *prefix)
void
throw_perror_with_name (enum errors errcode, const char *string)
{
char *combined;
combined = perror_string (string);
make_cleanup (xfree, combined);
std::string combined = perror_string (string);
/* I understand setting these is a matter of taste. Still, some people
may clear errno but not know about bfd_error. Doing this here is not
@ -788,7 +777,7 @@ throw_perror_with_name (enum errors errcode, const char *string)
bfd_set_error (bfd_error_no_error);
errno = 0;
throw_error (errcode, _("%s."), combined);
throw_error (errcode, _("%s."), combined.c_str ());
}
/* See throw_perror_with_name, ERRCODE defaults here to GENERIC_ERROR. */
@ -805,11 +794,8 @@ perror_with_name (const char *string)
void
perror_warning_with_name (const char *string)
{
char *combined;
combined = perror_string (string);
warning (_("%s"), combined);
xfree (combined);
std::string combined = perror_string (string);
warning (_("%s"), combined.c_str ());
}
/* Print the system error message for ERRCODE, and also mention STRING