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authorRalf Baechle <ralf@linux-mips.org>1997-01-07 02:33:00 +0000
committer <ralf@linux-mips.org>1997-01-07 02:33:00 +0000
commitbeb116954b9b7f3bb56412b2494b562f02b864b1 (patch)
tree120e997879884e1b9d93b265221b939d2ef1ade1 /include/asm-ppc/string.h
parent908d4681a1dc3792ecafbe64265783a86c4cccb6 (diff)
Import of Linux/MIPS 2.1.14
Diffstat (limited to 'include/asm-ppc/string.h')
-rw-r--r--include/asm-ppc/string.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/include/asm-ppc/string.h b/include/asm-ppc/string.h
new file mode 100644
index 000000000..7d550d1ed
--- /dev/null
+++ b/include/asm-ppc/string.h
@@ -0,0 +1,62 @@
+#ifndef _PPC_STRING_H_
+#define _PPC_STRING_H_
+
+
+
+/*
+ * keep things happy, the compile became unhappy since memset is
+ * in include/string.h and lib/string.c with different args
+ * -- Cort
+ */
+
+#define __HAVE_ARCH_MEMSET
+extern inline void * memset(void * s,int c,size_t count)
+{
+ char *xs = (char *) s;
+
+ while (count--)
+ *xs++ = c;
+
+ return s;
+}
+#define __HAVE_ARCH_STRSTR
+/* Return the first occurrence of NEEDLE in HAYSTACK. */
+extern inline char *
+strstr(const char *haystack, const char *needle)
+{
+ const char *const needle_end = strchr(needle, '\0');
+ const char *const haystack_end = strchr(haystack, '\0');
+ const size_t needle_len = needle_end - needle;
+ const size_t needle_last = needle_len - 1;
+ const char *begin;
+
+ if (needle_len == 0)
+#ifdef __linux__
+ return (char *) haystack;
+#else
+ return (char *) haystack_end;
+#endif
+ if ((size_t) (haystack_end - haystack) < needle_len)
+ return NULL;
+
+ for (begin = &haystack[needle_last]; begin < haystack_end; ++begin)
+ {
+ register const char *n = &needle[needle_last];
+ register const char *h = begin;
+
+ do
+ if (*h != *n)
+ goto loop; /* continue for loop */
+ while (--n >= needle && --h >= haystack);
+
+ return (char *) h;
+
+ loop:;
+ }
+
+ return NULL;
+}
+
+
+
+#endif