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* source.c (symtab_to_fullname): Test 'r >= 0'.

Browse Source 
(psymtab_to_fullname): Likewise.
	(get_filename_and_charpos): Make a cleanup.
	(forward_search_command): Likewise.
	(reverse_search_command): Likewise.
	* exec.c (exec_file_attach): Close scratch_chan on failure.
	* nto-procfs.c (procfs_open): Make a cleanup.
	(procfs_pidlist): Likewise.
	(do_closedir_cleanup): New function.
This commit is contained in:
Tom Tromey 2008-10-30 18:42:28 +00:00
parent c22261528c
commit 9fe4a2165d
4 changed files with 58 additions and 37 deletions
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12
gdb/ChangeLog
View File

@ -1,3 +1,15 @@
2008-10-28 Tom Tromey <tromey@redhat.com>
* source.c (symtab_to_fullname): Test 'r >= 0'.
(psymtab_to_fullname): Likewise.
(get_filename_and_charpos): Make a cleanup.
(forward_search_command): Likewise.
(reverse_search_command): Likewise.
* exec.c (exec_file_attach): Close scratch_chan on failure.
* nto-procfs.c (procfs_open): Make a cleanup.
(procfs_pidlist): Likewise.
(do_closedir_cleanup): New function.
2008-10-30 Andreas Schwab <schwab@suse.de>
* infcmd.c (construct_inferior_arguments): Handle newlines

7
gdb/exec.c
View File

@ -217,8 +217,11 @@ exec_file_attach (char *filename, int from_tty)
scratch_chan);
if (!exec_bfd)
error (_("\"%s\": could not open as an executable file: %s"),
scratch_pathname, bfd_errmsg (bfd_get_error ()));
{
close (scratch_chan);
error (_("\"%s\": could not open as an executable file: %s"),
scratch_pathname, bfd_errmsg (bfd_get_error ()));
}
/* At this point, scratch_pathname and exec_bfd->name both point to the
same malloc'd string. However exec_close() will attempt to free it

36
gdb/nto-procfs.c
View File

@ -125,6 +125,7 @@ procfs_open (char *arg, int from_tty)
char buffer[50];
int fd, total_size;
procfs_sysinfo *sysinfo;
struct cleanup *cleanups;
nto_is_nto_target = procfs_is_nto_target;
@ -169,13 +170,13 @@ procfs_open (char *arg, int from_tty)
safe_strerror (errno));
error (_("Invalid procfs arg"));
}
cleanups = make_cleanup_close (fd);
sysinfo = (void *) buffer;
if (devctl (fd, DCMD_PROC_SYSINFO, sysinfo, sizeof buffer, 0) != EOK)
{
printf_filtered ("Error getting size: %d (%s)\n", errno,
safe_strerror (errno));
close (fd);
error (_("Devctl failed."));
}
else
@ -186,7 +187,6 @@ procfs_open (char *arg, int from_tty)
{
printf_filtered ("Memory error: %d (%s)\n", errno,
safe_strerror (errno));
close (fd);
error (_("alloca failed."));
}
else
@ -195,7 +195,6 @@ procfs_open (char *arg, int from_tty)
{
printf_filtered ("Error getting sysinfo: %d (%s)\n", errno,
safe_strerror (errno));
close (fd);
error (_("Devctl failed."));
}
else
@ -203,14 +202,11 @@ procfs_open (char *arg, int from_tty)
if (sysinfo->type !=
nto_map_arch_to_cputype (gdbarch_bfd_arch_info
(current_gdbarch)->arch_name))
{
close (fd);
error (_("Invalid target CPU."));
}
error (_("Invalid target CPU."));
}
}
}
close (fd);
do_cleanups (cleanups);
printf_filtered ("Debugging using %s\n", nto_procfs_path);
}
@ -259,12 +255,17 @@ procfs_find_new_threads (void)
return;
}
static void
do_closedir_cleanup (void *dir)
{
closedir (dir);
}
void
procfs_pidlist (char *args, int from_tty)
{
DIR *dp = NULL;
struct dirent *dirp = NULL;
int fd = -1;
char buf[512];
procfs_info *pidinfo = NULL;
procfs_debuginfo *info = NULL;
@ -272,6 +273,7 @@ procfs_pidlist (char *args, int from_tty)
pid_t num_threads = 0;
pid_t pid;
char name[512];
struct cleanup *cleanups;
dp = opendir (nto_procfs_path);
if (dp == NULL)
@ -281,18 +283,23 @@ procfs_pidlist (char *args, int from_tty)
return;
}
cleanups = make_cleanup (do_closedir_cleanup, dp);
/* Start scan at first pid. */
rewinddir (dp);
do
{
int fd;
struct cleanup *inner_cleanup;
/* Get the right pid and procfs path for the pid. */
do
{
dirp = readdir (dp);
if (dirp == NULL)
{
closedir (dp);
do_cleanups (cleanups);
return;
}
snprintf (buf, 511, "%s/%s/as", nto_procfs_path, dirp->d_name);
@ -306,9 +313,10 @@ procfs_pidlist (char *args, int from_tty)
{
fprintf_unfiltered (gdb_stderr, "failed to open %s - %d (%s)\n",
buf, errno, safe_strerror (errno));
closedir (dp);
do_cleanups (cleanups);
return;
}
inner_cleanup = make_cleanup_close (fd);
pidinfo = (procfs_info *) buf;
if (devctl (fd, DCMD_PROC_INFO, pidinfo, sizeof (buf), 0) != EOK)
@ -336,12 +344,12 @@ procfs_pidlist (char *args, int from_tty)
if (status->tid != 0)
printf_filtered ("%s - %d/%d\n", name, pid, status->tid);
}
close (fd);
do_cleanups (inner_cleanup);
}
while (dirp != NULL);
close (fd);
closedir (dp);
do_cleanups (cleanups);
return;
}

40
gdb/source.c
View File

@ -1064,7 +1064,7 @@ symtab_to_fullname (struct symtab *s)
r = find_and_open_source (s->objfile, s->filename, s->dirname,
&s->fullname);
if (r)
if (r >= 0)
{
close (r);
return s->fullname;
@ -1093,7 +1093,7 @@ psymtab_to_fullname (struct partial_symtab *ps)
r = find_and_open_source (ps->objfile, ps->filename, ps->dirname,
&ps->fullname);
if (r)
if (r >= 0)
{
close (r);
return ps->fullname;
@ -1251,6 +1251,7 @@ static int
get_filename_and_charpos (struct symtab *s, char **fullname)
{
int desc, linenums_changed = 0;
struct cleanup *cleanups;
desc = open_source_file (s);
if (desc < 0)
@ -1259,13 +1260,14 @@ get_filename_and_charpos (struct symtab *s, char **fullname)
*fullname = NULL;
return 0;
}
cleanups = make_cleanup_close (desc);
if (fullname)
*fullname = s->fullname;
if (s->line_charpos == 0)
linenums_changed = 1;
if (linenums_changed)
find_source_lines (s, desc);
close (desc);
do_cleanups (cleanups);
return linenums_changed;
}
@ -1540,6 +1542,7 @@ forward_search_command (char *regex, int from_tty)
FILE *stream;
int line;
char *msg;
struct cleanup *cleanups;
line = last_line_listed + 1;
@ -1553,24 +1556,21 @@ forward_search_command (char *regex, int from_tty)
desc = open_source_file (current_source_symtab);
if (desc < 0)
perror_with_name (current_source_symtab->filename);
cleanups = make_cleanup_close (desc);
if (current_source_symtab->line_charpos == 0)
find_source_lines (current_source_symtab, desc);
if (line < 1 || line > current_source_symtab->nlines)
{
close (desc);
error (_("Expression not found"));
}
error (_("Expression not found"));
if (lseek (desc, current_source_symtab->line_charpos[line - 1], 0) < 0)
{
close (desc);
perror_with_name (current_source_symtab->filename);
}
perror_with_name (current_source_symtab->filename);
discard_cleanups (cleanups);
stream = fdopen (desc, FDOPEN_MODE);
clearerr (stream);
cleanups = make_cleanup_fclose (stream);
while (1)
{
static char *buf = NULL;
@ -1622,7 +1622,7 @@ forward_search_command (char *regex, int from_tty)
}
printf_filtered (_("Expression not found\n"));
fclose (stream);
do_cleanups (cleanups);
}
static void
@ -1633,6 +1633,7 @@ reverse_search_command (char *regex, int from_tty)
FILE *stream;
int line;
char *msg;
struct cleanup *cleanups;
line = last_line_listed - 1;
@ -1646,24 +1647,21 @@ reverse_search_command (char *regex, int from_tty)
desc = open_source_file (current_source_symtab);
if (desc < 0)
perror_with_name (current_source_symtab->filename);
cleanups = make_cleanup_close (desc);
if (current_source_symtab->line_charpos == 0)
find_source_lines (current_source_symtab, desc);
if (line < 1 || line > current_source_symtab->nlines)
{
close (desc);
error (_("Expression not found"));
}
error (_("Expression not found"));
if (lseek (desc, current_source_symtab->line_charpos[line - 1], 0) < 0)
{
close (desc);
perror_with_name (current_source_symtab->filename);
}
perror_with_name (current_source_symtab->filename);
discard_cleanups (cleanups);
stream = fdopen (desc, FDOPEN_MODE);
clearerr (stream);
cleanups = make_cleanup_fclose (stream);
while (line > 1)
{
/* FIXME!!! We walk right off the end of buf if we get a long line!!! */
@ -1709,7 +1707,7 @@ reverse_search_command (char *regex, int from_tty)
}
printf_filtered (_("Expression not found\n"));
fclose (stream);
do_cleanups (cleanups);
return;
}