linux-loongson/include/linux/sprintf.h
Linus Torvalds 35a813e010 printk changes for 6.17
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Merge tag 'printk-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Add new "hash_pointers=[auto|always|never]" boot parameter to force
   the hashing even with "slab_debug" enabled

 - Allow to stop CPU, after losing nbcon console ownership during
   panic(), even without proper NMI

 - Allow to use the printk kthread immediately even for the 1st
   registered nbcon

 - Compiler warning removal

* tag 'printk-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk: nbcon: Allow reacquire during panic
  printk: Allow to use the printk kthread immediately even for 1st nbcon
  slab: Decouple slab_debug and no_hash_pointers
  vsprintf: Use __diag macros to disable '-Wsuggest-attribute=format'
  compiler-gcc.h: Introduce __diag_GCC_all
2025-08-04 10:54:36 -07:00

32 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_KERNEL_SPRINTF_H_
#define _LINUX_KERNEL_SPRINTF_H_
#include <linux/compiler_attributes.h>
#include <linux/types.h>
#include <linux/stdarg.h>
int num_to_str(char *buf, int size, unsigned long long num, unsigned int width);
__printf(2, 3) int sprintf(char *buf, const char * fmt, ...);
__printf(2, 0) int vsprintf(char *buf, const char *, va_list);
__printf(3, 4) int snprintf(char *buf, size_t size, const char *fmt, ...);
__printf(3, 0) int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
__printf(3, 4) int scnprintf(char *buf, size_t size, const char *fmt, ...);
__printf(3, 0) int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
__printf(2, 3) __malloc char *kasprintf(gfp_t gfp, const char *fmt, ...);
__printf(2, 0) __malloc char *kvasprintf(gfp_t gfp, const char *fmt, va_list args);
__printf(2, 0) const char *kvasprintf_const(gfp_t gfp, const char *fmt, va_list args);
__scanf(2, 3) int sscanf(const char *, const char *, ...);
__scanf(2, 0) int vsscanf(const char *, const char *, va_list);
/* These are for specific cases, do not use without real need */
extern bool no_hash_pointers;
void hash_pointers_finalize(bool slub_debug);
/* Used for Rust formatting ('%pA') */
char *rust_fmt_argument(char *buf, char *end, const void *ptr);
#endif /* _LINUX_KERNEL_SPRINTF_H */