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File ipxe.b54167b8b6a35c7dab19bbe4b421d447036558d4.patch of Package xen (Revision f61ba3b00a8cabe4672b4063a162ac2c)

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From: Michael Brown <mcb30@ipxe.org>
Date: Mon, 16 Feb 2015 15:33:32 +0000
Subject: b54167b8b6a35c7dab19bbe4b421d447036558d4

[libc] Remove unused string functions

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/core/stringextra.c | 188 -----------------------------------------
 src/include/string.h   |   6 --
 2 files changed, 194 deletions(-)

--- a/src/core/stringextra.c
+++ b/src/core/stringextra.c
@@ -38,122 +38,6 @@ FILE_LICENCE ( GPL2_ONLY );
 
 /* *** FROM string.c *** */
 
-#ifndef __HAVE_ARCH_STRNICMP
-/**
- * strnicmp - Case insensitive, length-limited string comparison
- * @s1: One string
- * @s2: The other string
- * @len: the maximum number of characters to compare
- */
-int strnicmp(const char *s1, const char *s2, size_t len)
-{
-	/* Yes, Virginia, it had better be unsigned */
-	unsigned char c1, c2;
-
-	c1 = 0;	c2 = 0;
-	if (len) {
-		do {
-			c1 = *s1; c2 = *s2;
-			s1++; s2++;
-			if (!c1)
-				break;
-			if (!c2)
-				break;
-			if (c1 == c2)
-				continue;
-			c1 = tolower(c1);
-			c2 = tolower(c2);
-			if (c1 != c2)
-				break;
-		} while (--len);
-	}
-	return (int)c1 - (int)c2;
-}
-#endif
-
-char * ___strtok;
-
-#ifndef __HAVE_ARCH_STRNCAT
-/**
- * strncat - Append a length-limited, %NUL-terminated string to another
- * @dest: The string to be appended to
- * @src: The string to append to it
- * @count: The maximum numbers of bytes to copy
- *
- * Note that in contrast to strncpy, strncat ensures the result is
- * terminated.
- */
-char * strncat(char *dest, const char *src, size_t count)
-{
-	char *tmp = dest;
-
-	if (count) {
-		while (*dest)
-			dest++;
-		while ((*dest++ = *src++)) {
-			if (--count == 0) {
-				*dest = '\0';
-				break;
-			}
-		}
-	}
-
-	return tmp;
-}
-#endif
-
-#ifndef __HAVE_ARCH_STRSPN
-/**
- * strspn - Calculate the length of the initial substring of @s which only
- * 	contain letters in @accept
- * @s: The string to be searched
- * @accept: The string to search for
- */
-size_t strspn(const char *s, const char *accept)
-{
-	const char *p;
-	const char *a;
-	size_t count = 0;
-
-	for (p = s; *p != '\0'; ++p) {
-		for (a = accept; *a != '\0'; ++a) {
-			if (*p == *a)
-				break;
-		}
-		if (*a == '\0')
-			return count;
-		++count;
-	}
-
-	return count;
-}
-#endif
-
-#ifndef __HAVE_ARCH_STRCSPN
-/**
- * strcspn - Calculate the length of the initial substring of @s which only
- * 	contain letters not in @reject
- * @s: The string to be searched
- * @accept: The string to search for
- */
-size_t strcspn(const char *s, const char *reject)
-{
-	const char *p;
-	const char *r;
-	size_t count = 0;
-
-	for (p = s; *p != '\0'; ++p) {
-		for (r = reject; *r != '\0'; ++r) {
-			if (*p == *r)
-				return count;
-		}
-		++count;
-	}
-
-	return count;
-}
-#endif
-
 #ifndef __HAVE_ARCH_STRPBRK
 /**
  * strpbrk - Find the first occurrence of a set of characters
@@ -174,35 +58,6 @@ char * strpbrk(const char * cs,const char * ct)
 }
 #endif
 
-#ifndef __HAVE_ARCH_STRTOK
-/**
- * strtok - Split a string into tokens
- * @s: The string to be searched
- * @ct: The characters to search for
- *
- * WARNING: strtok is deprecated, use strsep instead.
- */
-char * strtok(char * s,const char * ct)
-{
-	char *sbegin, *send;
-
-	sbegin  = s ? s : ___strtok;
-	if (!sbegin) {
-		return NULL;
-	}
-	sbegin += strspn(sbegin,ct);
-	if (*sbegin == '\0') {
-		___strtok = NULL;
-		return( NULL );
-	}
-	send = strpbrk( sbegin, ct);
-	if (send && *send != '\0')
-		*send++ = '\0';
-	___strtok = send;
-	return (sbegin);
-}
-#endif
-
 #ifndef __HAVE_ARCH_STRSEP
 /**
  * strsep - Split a string into tokens
@@ -230,46 +85,3 @@ char * strsep(char **s, const char *ct)
 	return sbegin;
 }
 #endif
-
-#ifndef __HAVE_ARCH_BCOPY
-/**
- * bcopy - Copy one area of memory to another
- * @src: Where to copy from
- * @dest: Where to copy to
- * @count: The size of the area.
- *
- * Note that this is the same as memcpy(), with the arguments reversed.
- * memcpy() is the standard, bcopy() is a legacy BSD function.
- *
- * You should not use this function to access IO space, use memcpy_toio()
- * or memcpy_fromio() instead.
- */
-char * bcopy(const char * src, char * dest, int count)
-{
-	return memmove(dest,src,count);
-}
-#endif
-
-#ifndef __HAVE_ARCH_MEMSCAN
-/**
- * memscan - Find a character in an area of memory.
- * @addr: The memory area
- * @c: The byte to search for
- * @size: The size of the area.
- *
- * returns the address of the first occurrence of @c, or 1 byte past
- * the area if @c is not found
- */
-void * memscan(const void * addr, int c, size_t size)
-{
-	unsigned char * p = (unsigned char *) addr;
-
-	while (size) {
-		if (*p == c)
-			return (void *) p;
-		p++;
-		size--;
-	}
-  	return (void *) p;
-}
-#endif
--- a/src/include/string.h
+++ b/src/include/string.h
@@ -19,11 +19,9 @@ FILE_LICENCE ( GPL2_ONLY );
 #include <stddef.h>
 #include <bits/string.h>
 
-int __pure strnicmp(const char *s1, const char *s2, size_t len) __nonnull;
 char * strcpy(char * dest,const char *src) __nonnull;
 char * strncpy(char * dest,const char *src,size_t count) __nonnull;
 char * strcat(char * dest, const char * src) __nonnull;
-char * strncat(char *dest, const char *src, size_t count) __nonnull;
 int __pure strcmp(const char * cs,const char * ct) __nonnull;
 int __pure strncmp(const char * cs,const char * ct,
 				     size_t count) __nonnull;
@@ -31,16 +29,12 @@ char * __pure strchr(const char * s, int c) __nonnull;
 char * __pure strrchr(const char * s, int c) __nonnull;
 size_t __pure strlen(const char * s) __nonnull;
 size_t __pure strnlen(const char * s, size_t count) __nonnull;
-size_t __pure strspn(const char *s, const char *accept) __nonnull;
-size_t __pure strcspn(const char *s, const char *reject) __nonnull;
 char * __pure strpbrk(const char * cs,const char * ct) __nonnull;
-char * strtok(char * s,const char * ct) __nonnull;
 char * strsep(char **s, const char *ct) __nonnull;
 void * memset(void * s,int c,size_t count) __nonnull;
 void * memmove(void * dest,const void *src,size_t count) __nonnull;
 int __pure memcmp(const void * cs,const void * ct,
 				    size_t count) __nonnull;
-void * __pure memscan(const void * addr, int c, size_t size) __nonnull;
 char * __pure strstr(const char * s1,const char * s2) __nonnull;
 void * __pure memchr(const void *s, int c, size_t n) __nonnull;
 char * __malloc strdup(const char *s) __nonnull;

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File ipxe.b54167b8b6a35c7dab19bbe4b421d447036558d4.patch of Package xen (Revision f61ba3b00a8cabe4672b4063a162ac2c)

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