vbatts/sbsigntools
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

fileio: Add fileio_write_file

Browse source 
Add a convenience function for writing a single buffer to a file.

Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
This commit is contained in:
Jeremy Kerr 2012-08-10 15:34:21 +08:00
parent ce1689436e
commit 0ca483d5d0
2 changed files with 21 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
fileio.c
View file

@ -135,3 +135,23 @@ out:
return rc;
}
int fileio_write_file(const char *filename, uint8_t *buf, size_t len)
{
int fd;
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd < 0) {
perror("open");
return -1;
}
if (!write_all(fd, buf, len)) {
perror("write_all");
close(fd);
return -1;
}
close(fd);
return 0;
}

1
fileio.h
View file

@ -42,6 +42,7 @@ X509 *fileio_read_cert(const char *filename);
int fileio_read_file(void *ctx, const char *filename,
uint8_t **out_buf, size_t *out_len);
int fileio_write_file(const char *filename, uint8_t *buf, size_t len);
#endif /* FILEIO_H */