Viewing file:  seq_file.h (1.18 KB) -rw-r--r--
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#ifndef _LINUX_SEQ_FILE_H
#define _LINUX_SEQ_FILE_H
#ifdef __KERNEL__
struct seq_operations;
struct seq_file {
char *buf;
size_t size;
size_t from;
size_t count;
loff_t index;
struct semaphore sem;
struct seq_operations *op;
};
struct seq_operations {
void * (*start) (struct seq_file *m, loff_t *pos);
void (*stop) (struct seq_file *m, void *v);
void * (*next) (struct seq_file *m, void *v, loff_t *pos);
int (*show) (struct seq_file *m, void *v);
};
int seq_open(struct file *, struct seq_operations *);
ssize_t seq_read(struct file *, char *, size_t, loff_t *);
loff_t seq_lseek(struct file *, loff_t, int);
int seq_release(struct inode *, struct file *);
int seq_escape(struct seq_file *, const char *, const char *);
static inline int seq_putc(struct seq_file *m, char c)
{
if (m->count < m->size) {
m->buf[m->count++] = c;
return 0;
}
return -1;
}
static inline int seq_puts(struct seq_file *m, const char *s)
{
int len = strlen(s);
if (m->count + len < m->size) {
memcpy(m->buf + m->count, s, len);
m->count += len;
return 0;
}
m->count = m->size;
return -1;
}
int seq_printf(struct seq_file *, const char *, ...)
__attribute__ ((format (printf,2,3)));
#endif
#endif
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