(procfs_system_process_attributes): Fix cmdline in case /proc/PID/cmdline

is empty.
This commit is contained in:
Eli Zaretskii 2008-09-19 17:21:16 +00:00
parent c966fd27a1
commit a1e422f32d
2 changed files with 13 additions and 10 deletions

View file

@ -1,5 +1,8 @@
2008-09-19 Eli Zaretskii <eliz@gnu.org>
* process.c (procfs_system_process_attributes): Fix cmdline in
case /proc/PID/cmdline is empty.
* xterm.c (x_wm_set_size_hint): Use x_display_pixel_width and
x_display_pixel_height.

View file

@ -7419,17 +7419,17 @@ procfs_system_process_attributes (pid)
fd = emacs_open (fn, O_RDONLY, 0);
if (fd >= 0)
{
for (cmdsize = 0; emacs_read (fd, &c, 1) == 1; cmdsize++)
for (cmdline_size = 0; emacs_read (fd, &c, 1) == 1; cmdline_size++)
{
if (isspace (c) || c == '\\')
cmdsize++; /* for later quoting, see below */
cmdline_size++; /* for later quoting, see below */
}
if (cmdsize)
if (cmdline_size)
{
cmdline = xmalloc (cmdsize + 1);
cmdline = xmalloc (cmdline_size + 1);
lseek (fd, 0L, SEEK_SET);
cmdline[0] = '\0';
if ((nread = read (fd, cmdline, cmdsize)) >= 0)
if ((nread = read (fd, cmdline, cmdline_size)) >= 0)
cmdline[nread++] = '\0';
/* We don't want trailing null characters. */
for (p = cmdline + nread - 1; p > cmdline && !*p; p--)
@ -7446,18 +7446,18 @@ procfs_system_process_attributes (pid)
else if (*p == '\0')
*p = ' ';
}
cmdsize = nread;
cmdline_size = nread;
}
else
{
cmdsize = strlen (cmd) + 2;
cmdline = xmalloc (cmdsize + 1);
cmdline_size = cmdsize + 2;
cmdline = xmalloc (cmdline_size + 1);
strcpy (cmdline, "[");
strcat (strcat (cmdline, cmd), "]");
strcat (strncat (cmdline, cmd, cmdsize), "]");
}
emacs_close (fd);
/* Command line is encoded in locale-coding-system; decode it. */
cmd_str = make_unibyte_string (cmdline, cmdsize);
cmd_str = make_unibyte_string (cmdline, cmdline_size);
decoded_cmd = code_convert_string_norecord (cmd_str,
Vlocale_coding_system, 0);
xfree (cmdline);