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authorwdenk <wdenk>2002-08-15 09:39:42 +0000
committerwdenk <wdenk>2002-08-15 09:39:42 +0000
commit81da3633dfe9474f23238ebabc6f083641c1f67e (patch)
tree8a2cecba615fe789f7efc68899b806992b59ab16 /include/asm-arm/string.h
parent39f0e5f8cda0653e0eb1f7acfad3dc7f1e93a5c2 (diff)
Initial revision
Diffstat (limited to 'include/asm-arm/string.h')
-rw-r--r--include/asm-arm/string.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/asm-arm/string.h b/include/asm-arm/string.h
new file mode 100644
index 00000000000..b65a766e1a0
--- /dev/null
+++ b/include/asm-arm/string.h
@@ -0,0 +1,47 @@
+#ifndef __ASM_ARM_STRING_H
+#define __ASM_ARM_STRING_H
+
+/*
+ * We don't do inline string functions, since the
+ * optimised inline asm versions are not small.
+ */
+
+#define __HAVE_ARCH_STRRCHR
+extern char * strrchr(const char * s, int c);
+
+#define __HAVE_ARCH_STRCHR
+extern char * strchr(const char * s, int c);
+
+#define __HAVE_ARCH_MEMCPY
+extern void * memcpy(void *, const void *, __kernel_size_t);
+
+#define __HAVE_ARCH_MEMMOVE
+extern void * memmove(void *, const void *, __kernel_size_t);
+
+#define __HAVE_ARCH_MEMCHR
+extern void * memchr(const void *, int, __kernel_size_t);
+
+#define __HAVE_ARCH_MEMZERO
+#define __HAVE_ARCH_MEMSET
+extern void * memset(void *, int, __kernel_size_t);
+
+#if 0
+extern void __memzero(void *ptr, __kernel_size_t n);
+
+#define memset(p,v,n) \
+ ({ \
+ if ((n) != 0) { \
+ if (__builtin_constant_p((v)) && (v) == 0) \
+ __memzero((p),(n)); \
+ else \
+ memset((p),(v),(n)); \
+ } \
+ (p); \
+ })
+
+#define memzero(p,n) ({ if ((n) != 0) __memzero((p),(n)); (p); })
+#else
+extern void memzero(void *ptr, __kernel_size_t n);
+#endif
+
+#endif