/* List lines of source files for GDB, the GNU debugger.
- Copyright (C) 1986-2015 Free Software Foundation, Inc.
+ Copyright (C) 1986-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include "completer.h"
#include "ui-out.h"
#include "readline/readline.h"
+#include "common/enum-flags.h"
#define OPEN_MODE (O_RDONLY | O_BINARY)
#define FDOPEN_MODE FOPEN_RB
and friends should be rewritten to count characters and see where
things are wrapping, but that would be a fair amount of work. */
-int lines_to_list = 10;
+static int lines_to_list = 10;
static void
show_lines_to_list (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
struct cleanup *back_to;
int ix;
char *dir;
+ /* The errno set for the last name we tried to open (and
+ failed). */
+ int last_errno = 0;
/* The open syscall MODE parameter is not specified. */
gdb_assert ((mode & O_CREAT) == 0);
if (is_regular_file (string))
{
- filename = alloca (strlen (string) + 1);
+ filename = (char *) alloca (strlen (string) + 1);
strcpy (filename, string);
fd = gdb_open_cloexec (filename, mode, 0);
if (fd >= 0)
filename = NULL;
fd = -1;
}
+ last_errno = errno;
if (!(opts & OPF_SEARCH_IN_PATH))
for (i = 0; string[i]; i++)
string += 2;
alloclen = strlen (path) + strlen (string) + 2;
- filename = alloca (alloclen);
+ filename = (char *) alloca (alloclen);
fd = -1;
+ last_errno = ENOENT;
dir_vec = dirnames_to_char_ptr_vec (path);
back_to = make_cleanup_free_char_ptr_vec (dir_vec);
if (newlen > alloclen)
{
alloclen = newlen;
- filename = alloca (alloclen);
+ filename = (char *) alloca (alloclen);
}
strcpy (filename, current_directory);
}
if (newlen > alloclen)
{
alloclen = newlen;
- filename = alloca (alloclen);
+ filename = (char *) alloca (alloclen);
}
strcpy (filename, tilde_expanded);
xfree (tilde_expanded);
fd = gdb_open_cloexec (filename, mode, 0);
if (fd >= 0)
break;
+ last_errno = errno;
}
}
*filename_opened = gdb_abspath (filename);
}
+ errno = last_errno;
return fd;
}
static void
print_source_lines_base (struct symtab *s, int line, int stopline,
- enum print_source_lines_flags flags)
+ print_source_lines_flags flags)
{
int c;
int desc;
else
{
desc = last_source_error;
- flags |= PRINT_SOURCE_LINES_NOERROR;
+ flags |= PRINT_SOURCE_LINES_NOERROR;
noprint = 1;
}
{
const char *filename = symtab_to_filename_for_display (s);
int len = strlen (filename) + 100;
- char *name = alloca (len);
+ char *name = (char *) alloca (len);
xsnprintf (name, len, "%d\t%s", line, filename);
print_sys_errmsg (name, errno);
/* ui_out_field_string may free S_FULLNAME by calling
open_source_file for it again. See e.g.,
tui_field_string->tui_show_source. */
- local_fullname = alloca (strlen (s_fullname) + 1);
+ local_fullname = (char *) alloca (strlen (s_fullname) + 1);
strcpy (local_fullname, s_fullname);
ui_out_field_string (uiout, "fullname", local_fullname);
void
print_source_lines (struct symtab *s, int line, int stopline,
- enum print_source_lines_flags flags)
+ print_source_lines_flags flags)
{
print_source_lines_base (s, line, stopline, flags);
}
int cursize, newsize;
cursize = 256;
- buf = xmalloc (cursize);
+ buf = (char *) xmalloc (cursize);
p = buf;
c = fgetc (stream);
if (p - buf == cursize)
{
newsize = cursize + cursize / 2;
- buf = xrealloc (buf, newsize);
+ buf = (char *) xrealloc (buf, newsize);
p = buf + cursize;
cursize = newsize;
}