Messages in this thread Patch in this message | | | Date | Mon, 21 Apr 2008 14:34:47 +0200 | From | Peter Oberparleiter <> | Subject | [RFC PATCH 6/8] seq_file: add function to write binary data |
| |
From: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
seq_write() can be used to construct seq_files containing arbitrary data. Required by the gcov-profiling interface to synthesize binary profiling data files.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> --- fs/seq_file.c | 12 ++++++++++++ include/linux/seq_file.h | 1 + 2 files changed, 13 insertions(+)
Index: linux-2.6.25/fs/seq_file.c =================================================================== --- linux-2.6.25.orig/fs/seq_file.c +++ linux-2.6.25/fs/seq_file.c @@ -483,6 +483,18 @@ int seq_puts(struct seq_file *m, const c } EXPORT_SYMBOL(seq_puts); +int seq_write(struct seq_file *m, const void *s, size_t len) +{ + if (m->count + len < m->size) { + memcpy(m->buf + m->count, s, len); + m->count += len; + return 0; + } + m->count = m->size; + return -1; +} +EXPORT_SYMBOL(seq_write); + struct list_head *seq_list_start(struct list_head *head, loff_t pos) { struct list_head *lh; Index: linux-2.6.25/include/linux/seq_file.h =================================================================== --- linux-2.6.25.orig/include/linux/seq_file.h +++ linux-2.6.25/include/linux/seq_file.h @@ -37,6 +37,7 @@ int seq_release(struct inode *, struct f int seq_escape(struct seq_file *, const char *, const char *); int seq_putc(struct seq_file *m, char c); int seq_puts(struct seq_file *m, const char *s); +int seq_write(struct seq_file *m, const void *s, size_t len); int seq_printf(struct seq_file *, const char *, ...) __attribute__ ((format (printf,2,3)));
| |