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author | David Woodhouse <dwmw2@infradead.org> | 2007-08-01 14:23:57 +0400 |
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committer | David Woodhouse <dwmw2@infradead.org> | 2007-08-01 14:23:57 +0400 |
commit | 440fdb53b4ae58602711b5b8c3a139ace2404dbb (patch) | |
tree | c6fb88d6ad537ec53aeecadc75a61ab6147d4c9c /lib/kasprintf.c | |
parent | 8b2b403ce0f1a816b7a6a4f47c8798003b26c07a (diff) | |
parent | 8d4fbcfbe0a4bfc73e7f0297c59ae514e1f1436f (diff) | |
download | linux-440fdb53b4ae58602711b5b8c3a139ace2404dbb.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'lib/kasprintf.c')
-rw-r--r-- | lib/kasprintf.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/lib/kasprintf.c b/lib/kasprintf.c new file mode 100644 index 000000000000..c5ff1fd10030 --- /dev/null +++ b/lib/kasprintf.c @@ -0,0 +1,44 @@ +/* + * linux/lib/kasprintf.c + * + * Copyright (C) 1991, 1992 Linus Torvalds + */ + +#include <stdarg.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/string.h> + +/* Simplified asprintf. */ +char *kvasprintf(gfp_t gfp, const char *fmt, va_list ap) +{ + unsigned int len; + char *p; + va_list aq; + + va_copy(aq, ap); + len = vsnprintf(NULL, 0, fmt, aq); + va_end(aq); + + p = kmalloc(len+1, gfp); + if (!p) + return NULL; + + vsnprintf(p, len+1, fmt, ap); + + return p; +} +EXPORT_SYMBOL(kvasprintf); + +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; +} +EXPORT_SYMBOL(kasprintf); |