Lines Matching refs:cn
71 static int expand_corename(struct core_name *cn, int size)
73 char *corename = krealloc(cn->corename, size, GFP_KERNEL);
81 cn->size = ksize(corename);
82 cn->corename = corename;
86 static __printf(2, 0) int cn_vprintf(struct core_name *cn, const char *fmt,
93 free = cn->size - cn->used;
96 need = vsnprintf(cn->corename + cn->used, free, fmt, arg_copy);
100 cn->used += need;
104 if (!expand_corename(cn, cn->size + need - free + 1))
110 static __printf(2, 3) int cn_printf(struct core_name *cn, const char *fmt, ...)
116 ret = cn_vprintf(cn, fmt, arg);
123 int cn_esc_printf(struct core_name *cn, const char *fmt, ...)
125 int cur = cn->used;
130 ret = cn_vprintf(cn, fmt, arg);
138 if ((cn->used - cur == 1 && cn->corename[cur] == '.') ||
139 (cn->used - cur == 2 && cn->corename[cur] == '.'
140 && cn->corename[cur+1] == '.'))
141 cn->corename[cur] = '!';
149 if (cn->used == cur)
150 ret = cn_printf(cn, "!");
153 for (; cur < cn->used; ++cur) {
154 if (cn->corename[cur] == '/')
155 cn->corename[cur] = '!';
160 static int cn_print_exe_file(struct core_name *cn, bool name_only)
168 return cn_esc_printf(cn, "%s (path unknown)", current->comm);
187 ret = cn_esc_printf(cn, "%s", path);
200 static int format_corename(struct core_name *cn, struct coredump_params *cprm,
210 cn->used = 0;
211 cn->corename = NULL;
212 if (expand_corename(cn, core_name_size))
214 cn->corename[0] = '\0';
236 if (cn->used != 0)
242 err = cn_printf(cn, "%c", '\0');
245 (*argv)[(*argc)++] = cn->used;
249 err = cn_printf(cn, "%c", *pat_ptr++);
257 err = cn_printf(cn, "%c", '%');
262 err = cn_printf(cn, "%d",
267 err = cn_printf(cn, "%d",
271 err = cn_printf(cn, "%d",
275 err = cn_printf(cn, "%d",
280 err = cn_printf(cn, "%u",
286 err = cn_printf(cn, "%u",
291 err = cn_printf(cn, "%d",
296 err = cn_printf(cn, "%d",
304 err = cn_printf(cn, "%lld", time);
310 err = cn_esc_printf(cn, "%s",
316 err = cn_esc_printf(cn, "%s", current->comm);
320 err = cn_print_exe_file(cn, true);
323 err = cn_print_exe_file(cn, false);
327 err = cn_printf(cn, "%lu",
347 err = cn_printf(cn, ".%d", task_tgid_vnr(current));
584 struct core_name cn;
640 ispipe = format_corename(&cn, &cprm, &argv, &argc);
694 helper_argv[argi] = cn.corename + argv[argi];
708 cn.corename);
719 if (need_suid_safe && cn.corename[0] != '/') {
737 do_unlinkat(AT_FDCWD, getname_kernel(cn.corename));
763 cprm.file = file_open_root(&root, cn.corename,
767 cprm.file = filp_open(cn.corename, open_flags, 0600);
811 pr_info("Core dump to |%s disabled\n", cn.corename);
832 kfree(cn.corename);