b9075fa968
Standardize the style for compiler based printf format verification.
Standardized the location of __printf too.
Done via script and a little typing.
$ grep -rPl --include=*.[ch] -w "__attribute__" * | \
grep -vP "^(tools|scripts|include/linux/compiler-gcc.h)" | \
xargs perl -n -i -e 'local $/; while (<>) { s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.+)\s*,\s*(.+)\s*\)\s*\)\s*\)/__printf($1, $2)/g ; print; }'
[akpm@linux-foundation.org: revert arch bits]
Signed-off-by: Joe Perches <joe@perches.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
#ifndef _LINUX_TRACE_SEQ_H
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#define _LINUX_TRACE_SEQ_H
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#include <linux/fs.h>
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#include <asm/page.h>
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/*
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* Trace sequences are used to allow a function to call several other functions
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* to create a string of data to use (up to a max of PAGE_SIZE).
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*/
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struct trace_seq {
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unsigned char buffer[PAGE_SIZE];
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unsigned int len;
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unsigned int readpos;
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int full;
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};
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static inline void
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trace_seq_init(struct trace_seq *s)
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{
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s->len = 0;
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s->readpos = 0;
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s->full = 0;
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}
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/*
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* Currently only defined when tracing is enabled.
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*/
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#ifdef CONFIG_TRACING
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extern __printf(2, 3)
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int trace_seq_printf(struct trace_seq *s, const char *fmt, ...);
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extern __printf(2, 0)
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int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args);
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extern int
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trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary);
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extern int trace_print_seq(struct seq_file *m, struct trace_seq *s);
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extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
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size_t cnt);
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extern int trace_seq_puts(struct trace_seq *s, const char *str);
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extern int trace_seq_putc(struct trace_seq *s, unsigned char c);
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extern int trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len);
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extern int trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
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size_t len);
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extern void *trace_seq_reserve(struct trace_seq *s, size_t len);
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extern int trace_seq_path(struct trace_seq *s, struct path *path);
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#else /* CONFIG_TRACING */
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static inline int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
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{
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return 0;
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}
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static inline int
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trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary)
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{
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return 0;
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}
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static inline int trace_print_seq(struct seq_file *m, struct trace_seq *s)
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{
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return 0;
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}
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static inline ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
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size_t cnt)
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{
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return 0;
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}
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static inline int trace_seq_puts(struct trace_seq *s, const char *str)
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{
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return 0;
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}
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static inline int trace_seq_putc(struct trace_seq *s, unsigned char c)
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{
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return 0;
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}
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static inline int
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trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len)
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{
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return 0;
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}
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static inline int trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
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size_t len)
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{
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return 0;
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}
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static inline void *trace_seq_reserve(struct trace_seq *s, size_t len)
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{
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return NULL;
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}
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static inline int trace_seq_path(struct trace_seq *s, struct path *path)
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{
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return 0;
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}
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#endif /* CONFIG_TRACING */
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#endif /* _LINUX_TRACE_SEQ_H */
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