[coreboot] Patch set updated for coreboot: 47697f1 Add an implementation for the memchr library function
Stefan Reinauer (stefan.reinauer@coreboot.org)
gerrit at coreboot.org
Wed Mar 7 02:12:49 CET 2012
Stefan Reinauer (stefan.reinauer at coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/708
-gerrit
commit 47697f1d75a2f22e828e672ad6da6786e82b9361
Author: Gabe Black <gabeblack at google.com>
Date: Fri Sep 16 02:18:56 2011 -0700
Add an implementation for the memchr library function
Change-Id: Icded479d246f7cce8a3d2154c69f75178fa513e1
Signed-off-by: Gabe Black <gabeblack at google.com>
---
src/include/string.h | 1 +
src/lib/Makefile.inc | 2 ++
src/lib/memchr.c | 11 +++++++++++
3 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/src/include/string.h b/src/include/string.h
index 2168947..708961b 100644
--- a/src/include/string.h
+++ b/src/include/string.h
@@ -8,6 +8,7 @@ void *memcpy(void *dest, const void *src, size_t n);
void *memmove(void *dest, const void *src, size_t n);
void *memset(void *s, int c, size_t n);
int memcmp(const void *s1, const void *s2, size_t n);
+void *memchr(const void *s, int c, size_t n);
#if !defined(__PRE_RAM__)
int sprintf(char * buf, const char *fmt, ...);
#endif
diff --git a/src/lib/Makefile.inc b/src/lib/Makefile.inc
index 906dfae..e0e5e75 100644
--- a/src/lib/Makefile.inc
+++ b/src/lib/Makefile.inc
@@ -1,6 +1,7 @@
romstage-y += memset.c
+romstage-y += memchr.c
romstage-y += memcpy.c
romstage-y += memcmp.c
romstage-y += cbfs.c
@@ -15,6 +16,7 @@ romstage-$(CONFIG_CONSOLE_NE2K) += compute_ip_checksum.c
romstage-$(CONFIG_USBDEBUG) += usbdebug.c
ramstage-y += memset.c
+ramstage-y += memchr.c
ramstage-y += memcpy.c
ramstage-y += memcmp.c
ramstage-y += memmove.c
diff --git a/src/lib/memchr.c b/src/lib/memchr.c
new file mode 100644
index 0000000..a890dce
--- /dev/null
+++ b/src/lib/memchr.c
@@ -0,0 +1,11 @@
+#include <string.h>
+void *memchr(const void *s, int c, size_t n)
+{
+ const unsigned char *sc = s;
+ while (n--) {
+ if (*sc == (unsigned char)c)
+ return (void *)sc;
+ sc++;
+ }
+ return NULL;
+}
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