From a1e422f32d3adb6fed846dbcdbcc26072b8e7530 Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Fri, 19 Sep 2008 17:21:16 +0000 Subject: (procfs_system_process_attributes): Fix cmdline in case /proc/PID/cmdline is empty. --- src/process.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'src/process.c') diff --git a/src/process.c b/src/process.c index 80a657b2eda..75f36c5fce9 100644 --- a/src/process.c +++ b/src/process.c @@ -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); -- cgit v1.2.3