/* Shared general utility routines for GDB, the GNU debugger.
- Copyright (C) 1986-2016 Free Software Foundation, Inc.
+ Copyright (C) 1986-2018 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "common-defs.h"
+#include "common-utils.h"
#include "host-defs.h"
#include <ctype.h>
}
void
-xfree (void *ptr)
-{
- if (ptr != NULL)
- free (ptr); /* ARI: free */
-}
-
-void
xmalloc_failed (size_t size)
{
malloc_failure (size);
return str;
}
+/* See documentation in common-utils.h. */
+
+std::string
+string_vprintf (const char* fmt, va_list args)
+{
+ va_list vp;
+ size_t size;
+
+ va_copy (vp, args);
+ size = vsnprintf (NULL, 0, fmt, vp);
+ va_end (vp);
+
+ std::string str (size, '\0');
+
+ /* C++11 and later guarantee std::string uses contiguous memory and
+ always includes the terminating '\0'. */
+ vsprintf (&str[0], fmt, args);
+
+ return str;
+}
+
+
+/* See documentation in common-utils.h. */
+
+void
+string_appendf (std::string &str, const char *fmt, ...)
+{
+ va_list vp;
+
+ va_start (vp, fmt);
+ string_vappendf (str, fmt, vp);
+ va_end (vp);
+}
+
+
+/* See documentation in common-utils.h. */
+
+void
+string_vappendf (std::string &str, const char *fmt, va_list args)
+{
+ va_list vp;
+ int grow_size;
+
+ va_copy (vp, args);
+ grow_size = vsnprintf (NULL, 0, fmt, vp);
+ va_end (vp);
+
+ size_t curr_size = str.size ();
+ str.resize (curr_size + grow_size);
+
+ /* C++11 and later guarantee std::string uses contiguous memory and
+ always includes the terminating '\0'. */
+ vsprintf (&str[curr_size], fmt, args);
+}
+
char *
savestring (const char *ptr, size_t len)
{
/* A const-correct version of the above. */
const char *
-skip_spaces_const (const char *chp)
+skip_spaces (const char *chp)
{
if (chp == NULL)
return NULL;
/* See documentation in common-utils.h. */
const char *
-skip_to_space_const (const char *chp)
+skip_to_space (const char *chp)
{
if (chp == NULL)
return NULL;
chp++;
return chp;
}
+
+/* See documentation in common-utils.h. */
+
+char *
+skip_to_space (char *chp)
+{
+ return (char *) skip_to_space ((const char *) chp);
+}
+
+/* See common/common-utils.h. */
+
+void
+free_vector_argv (std::vector<char *> &v)
+{
+ for (char *el : v)
+ xfree (el);
+
+ v.clear ();
+}
+
+/* See common/common-utils.h. */
+
+std::string
+stringify_argv (const std::vector<char *> &args)
+{
+ std::string ret;
+
+ if (!args.empty () && args[0] != NULL)
+ {
+ for (auto s : args)
+ if (s != NULL)
+ {
+ ret += s;
+ ret += ' ';
+ }
+
+ /* Erase the last whitespace. */
+ ret.erase (ret.end () - 1);
+ }
+
+ return ret;
+}