From 96e3e18eed3b48f6d4377dee0326a106e8a04569 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Tue, 31 Jul 2007 00:38:13 -0700 Subject: lib: move kasprintf to a separate file kasprintf pulls in kmalloc which proved to be fatal for at least bootimage target on alpha. Move it to a separate file so only users of kasprintf are exposed to the dependency on kmalloc. Signed-off-by: Sam Ravnborg Cc: Jeremy Fitzhardinge Cc: Meelis Roos Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: Jay Estabrook Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds diff --git a/lib/Makefile b/lib/Makefile index 6149663..d9e5f1c 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -2,7 +2,7 @@ # Makefile for some libs needed in the kernel. # -lib-y := ctype.o string.o vsprintf.o cmdline.o \ +lib-y := ctype.o string.o vsprintf.o kasprintf.o cmdline.o \ rbtree.o radix-tree.o dump_stack.o \ idr.o int_sqrt.o bitmap.o extable.o prio_tree.o \ sha1.o irq_regs.o reciprocal_div.o argv_split.o diff --git a/lib/kasprintf.c b/lib/kasprintf.c new file mode 100644 index 0000000..c5ff1fd --- /dev/null +++ b/lib/kasprintf.c @@ -0,0 +1,44 @@ +/* + * linux/lib/kasprintf.c + * + * Copyright (C) 1991, 1992 Linus Torvalds + */ + +#include +#include +#include +#include + +/* 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); diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 6b6734d..7b481ce 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -978,38 +978,3 @@ int sscanf(const char * buf, const char * fmt, ...) } EXPORT_SYMBOL(sscanf); - - -/* 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); -- cgit v0.10.2