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libpayload: Add larfptr function 

Add a function to get a pointer to the start of a LAR entry.

Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Myles Watson <mylesgw@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3337 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Jordan Crouse 2008-05-20 20:09:42 +00:00
parent d43841defc
commit 506980808d
2 changed files with 11 additions and 0 deletions
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1
payloads/libpayload/include/libpayload.h
View File

@ -247,6 +247,7 @@ int closelar(struct LAR *lar);
struct larent *readlar(struct LAR *lar);
void rewindlar(struct LAR *lar);
int larstat(struct LAR *lar, const char *path, struct larstat *buf);
void *larfptr(struct LAR *lar, const char *filename);
struct LFILE * lfopen(struct LAR *lar, const char *filename);
int lfread(void *ptr, size_t size, size_t nmemb, struct LFILE *stream);

10
payloads/libpayload/libc/lar.c
View File

@ -218,6 +218,16 @@ int larstat(struct LAR *lar, const char *path, struct larstat *buf)
return 0;
}
void * larfptr(struct LAR *lar, const char *filename)
{
struct lar_header *header = get_header_by_name(lar, filename);
if (header == NULL)
return NULL;
return (void *) ((u8 *) header + ntohl(header->offset));
}
struct LFILE * lfopen(struct LAR *lar, const char *filename)
{
struct LFILE *file;