The patch titled
Add kvasprintf()
has been added to the -mm tree. Its filename is
add-kvasprintf.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Add kvasprintf()
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Add a kvasprintf() function to complement kasprintf().
No in-tree users yet, but I have some coming up.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Keir Fraser <keir@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/kernel.h | 1 +
lib/vsprintf.c | 24 ++++++++++++++++++------
2 files changed, 19 insertions(+), 6 deletions(-)
diff -puN include/linux/kernel.h~add-kvasprintf include/linux/kernel.h
--- a/include/linux/kernel.h~add-kvasprintf
+++ a/include/linux/kernel.h
@@ -134,6 +134,7 @@ extern int vscnprintf(char *buf, size_t
__attribute__ ((format (printf, 3, 0)));
extern char *kasprintf(gfp_t gfp, const char *fmt, ...)
__attribute__ ((format (printf, 2, 3)));
+extern char *kvasprintf(gfp_t gfp, const char *fmt, va_list args);
extern int sscanf(const char *, const char *, ...)
__attribute__ ((format (scanf, 2, 3)));
diff -puN lib/vsprintf.c~add-kvasprintf lib/vsprintf.c
--- a/lib/vsprintf.c~add-kvasprintf
+++ a/lib/vsprintf.c
@@ -862,22 +862,34 @@ EXPORT_SYMBOL(sscanf);
/* Simplified asprintf. */
-char *kasprintf(gfp_t gfp, const char *fmt, ...)
+char *kvasprintf(gfp_t gfp, const char *fmt, va_list ap)
{
- va_list ap;
unsigned int len;
char *p;
+ va_list aq;
- va_start(ap, fmt);
- len = vsnprintf(NULL, 0, fmt, ap);
- va_end(ap);
+ va_copy(aq, ap);
+ len = vsnprintf(NULL, 0, fmt, aq);
+ va_end(aq);
p = kmalloc(len+1, gfp);
if (!p)
return NULL;
- va_start(ap, fmt);
+
vsnprintf(p, len+1, fmt, ap);
+
+ return p;
+}
+
+char *kasprintf(gfp_t gfp, const char *fmt, ...)
+{
+ va_list ap;
+ char *p;
+
+ va_start(ap, fmt);
+ p = kvasprintf(gfp, fmt, ap);
va_end(ap);
+
return p;
}
_
Patches currently in -mm which might be from jeremy@xxxxxxxx are
add-kvasprintf.patch
allow-boot-time-disable-of-paravirt_ops-patching.patch
i386-map-enough-initial-memory-to-create-lowmem-mappings-fix.patch
add-apply_to_page_range-which-applies-a-function-to-a-pte-range.patch
add-apply_to_page_range-which-applies-a-function-to-a-pte-range-fix.patch
maps2-uninline-some-functions-in-the-page-walker.patch
maps2-eliminate-the-pmd_walker-struct-in-the-page-walker.patch
maps2-remove-vma-from-args-in-the-page-walker.patch
maps2-propagate-errors-from-callback-in-page-walker.patch
maps2-add-callbacks-for-each-level-to-page-walker.patch
maps2-move-the-page-walker-code-to-lib.patch
maps2-simplify-interdependence-of-proc-pid-maps-and-smaps.patch
maps2-move-clear_refs-code-to-task_mmuc.patch
maps2-regroup-task_mmu-by-interface.patch
maps2-make-proc-pid-smaps-optional-under-config_embedded.patch
maps2-make-proc-pid-clear_refs-option-under-config_embedded.patch
maps2-add-proc-pid-pagemap-interface.patch
maps2-add-proc-kpagemap-interface.patch
fixes-and-cleanups-for-earlyprintk-aka-boot-console.patch
ignore-stolen-time-in-the-softlockup-watchdog.patch
ignore-stolen-time-in-the-softlockup-watchdog-fix.patch
add-touch_all_softlockup_watchdogs.patch
lguest-vs-x86_64-mm-use-per-cpu-variables-for-gdt-pda.patch
add-kvasprintf-fix.patch
-
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