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author | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 14:45:25 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 14:45:25 -0500 |
commit | fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 (patch) | |
tree | 22962a4387943edc841c72a4e636a068c66d58fd /arch/alpha/lib/srm_printk.c | |
download | ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.zip ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.tar.gz |
Initial import of modified Linux 2.6.28 tree
Original upstream URL:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y
Diffstat (limited to 'arch/alpha/lib/srm_printk.c')
-rw-r--r-- | arch/alpha/lib/srm_printk.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/alpha/lib/srm_printk.c b/arch/alpha/lib/srm_printk.c new file mode 100644 index 0000000..31b53c4 --- /dev/null +++ b/arch/alpha/lib/srm_printk.c @@ -0,0 +1,41 @@ +/* + * arch/alpha/lib/srm_printk.c + */ + +#include <linux/kernel.h> +#include <asm/console.h> + +long +srm_printk(const char *fmt, ...) +{ + static char buf[1024]; + va_list args; + long len, num_lf; + char *src, *dst; + + va_start(args, fmt); + len = vsprintf(buf, fmt, args); + va_end(args); + + /* count number of linefeeds in string: */ + + num_lf = 0; + for (src = buf; *src; ++src) { + if (*src == '\n') { + ++num_lf; + } + } + + if (num_lf) { + /* expand each linefeed into carriage-return/linefeed: */ + for (dst = src + num_lf; src >= buf; ) { + if (*src == '\n') { + *dst-- = '\r'; + } + *dst-- = *src--; + } + } + + srm_puts(buf, num_lf+len); + return len; +} |