diff options
Diffstat (limited to 'chromium/third_party/libmtp/m4/byteorder.m4')
| -rw-r--r-- | chromium/third_party/libmtp/m4/byteorder.m4 | 418 |
1 files changed, 0 insertions, 418 deletions
diff --git a/chromium/third_party/libmtp/m4/byteorder.m4 b/chromium/third_party/libmtp/m4/byteorder.m4 deleted file mode 100644 index e342be5d0c7..00000000000 --- a/chromium/third_party/libmtp/m4/byteorder.m4 +++ /dev/null @@ -1,418 +0,0 @@ -dnl AC_NEED_BYTEORDER_H ( HEADER-TO-GENERATE ) -dnl Copyright 2001-2002 by Dan Fandrich <dan@coneharvesters.com> -dnl This file may be copied and used freely without restrictions. No warranty -dnl is expressed or implied. -dnl -dnl Create a header file that guarantees that byte swapping macros of the -dnl ntohl variety as well as the extended types included in OpenBSD and -dnl NetBSD such as le32toh are defined. If possible, the standard ntohl -dnl are overloaded as they are optimized for the given platform, but when -dnl this is not possible (e.g. on a big-endian machine) they are defined -dnl in this file. - -dnl Look for a symbol in a header file -dnl AC_HAVE_SYMBOL ( IDENTIFIER, HEADER-FILE, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND ) -AC_DEFUN([AC_HAVE_SYMBOL], -[ -AC_MSG_CHECKING(for $1 in $2) -AC_EGREP_CPP([symbol is present|\<$1\>],[ -#include <$2> -#ifdef $1 - symbol is present -#endif - ], -[AC_MSG_RESULT(yes) -$3 -], -[AC_MSG_RESULT(no) -$4 -])]) - - -dnl Create a header file that defines extended byte swapping macros -AC_DEFUN([AC_NEED_BYTEORDER_H], -[ -ac_dir=`AS_DIRNAME(["$1"])` -if test "$ac_dir" != "$1" && test "$ac_dir" != .; then - # The file is in a subdirectory. - test ! -d "$ac_dir" && (AS_MKDIR_P(["$ac_dir"])) -fi - -# We're only interested in the target CPU, but it's not always set -effective_target="$target" -if test "x$effective_target" = xNONE -o "x$effective_target" = x ; then - effective_target="$host" -fi -AC_SUBST(effective_target) - -cat > "$1" << EOF -/* This file is generated automatically by configure */ -/* It is valid only for the system type ${effective_target} */ - -#ifndef __BYTEORDER_H -#define __BYTEORDER_H - -EOF - -dnl First, do an endian check -AC_C_BIGENDIAN - -dnl Look for NetBSD-style extended byte swapping macros -AC_HAVE_SYMBOL(le32toh,machine/endian.h, - [HAVE_LE32TOH=1 - cat >> "$1" << EOF -/* extended byte swapping macros are already available */ -#include <machine/endian.h> - -EOF], - -[ - -dnl Look for standard byte swapping macros -AC_HAVE_SYMBOL(ntohl,arpa/inet.h, - [cat >> "$1" << EOF -/* ntohl and relatives live here */ -#include <arpa/inet.h> - -EOF], - - [AC_HAVE_SYMBOL(ntohl,netinet/in.h, - [cat >> "$1" << EOF -/* ntohl and relatives live here */ -#include <netinet/in.h> - -EOF],true)]) -]) - -dnl Look for generic byte swapping macros - -dnl OpenBSD -AC_HAVE_SYMBOL(swap32,machine/endian.h, - [cat >> "$1" << EOF -/* swap32 and swap16 are defined in machine/endian.h */ - -EOF], - - [ -dnl Linux GLIBC - AC_HAVE_SYMBOL(bswap_32,byteswap.h, - [cat >> "$1" << EOF -/* Define generic byte swapping functions */ -#include <byteswap.h> -#define swap16(x) bswap_16(x) -#define swap32(x) bswap_32(x) -#define swap64(x) bswap_64(x) - -EOF], - - [ -dnl NetBSD - AC_HAVE_SYMBOL(bswap32,machine/endian.h, - dnl We're already including machine/endian.h if this test succeeds - [cat >> "$1" << EOF -/* Define generic byte swapping functions */ -EOF - if test "$HAVE_LE32TOH" != "1"; then - echo '#include <machine/endian.h>'>> "$1" - fi -cat >> "$1" << EOF -#define swap16(x) bswap16(x) -#define swap32(x) bswap32(x) -#define swap64(x) bswap64(x) - -EOF], - - [ -dnl FreeBSD - AC_HAVE_SYMBOL(__byte_swap_long,sys/types.h, - [cat >> "$1" << EOF -/* Define generic byte swapping functions */ -#include <sys/types.h> -#define swap16(x) __byte_swap_word(x) -#define swap32(x) __byte_swap_long(x) -/* No optimized 64 bit byte swapping macro is available */ -#define swap64(x) ((uint64_t)(((uint64_t)(x) << 56) & 0xff00000000000000ULL | \\ - ((uint64_t)(x) << 40) & 0x00ff000000000000ULL | \\ - ((uint64_t)(x) << 24) & 0x0000ff0000000000ULL | \\ - ((uint64_t)(x) << 8) & 0x000000ff00000000ULL | \\ - ((x) >> 8) & 0x00000000ff000000ULL | \\ - ((x) >> 24) & 0x0000000000ff0000ULL | \\ - ((x) >> 40) & 0x000000000000ff00ULL | \\ - ((x) >> 56) & 0x00000000000000ffULL)) - -EOF], - - [ -dnl OS X - AC_HAVE_SYMBOL(NXSwapLong,machine/byte_order.h, - [cat >> "$1" << EOF -/* Define generic byte swapping functions */ -#include <machine/byte_order.h> -#define swap16(x) NXSwapShort(x) -#define swap32(x) NXSwapLong(x) -#define swap64(x) NXSwapLongLong(x) - -EOF], - [ - if test $ac_cv_c_bigendian = yes; then - cat >> "$1" << EOF -/* No other byte swapping functions are available on this big-endian system */ -#define swap16(x) ((uint16_t)(((x) << 8) | ((uint16_t)(x) >> 8))) -#define swap32(x) ((uint32_t)(((uint32_t)(x) << 24) & 0xff000000UL | \\ - ((uint32_t)(x) << 8) & 0x00ff0000UL | \\ - ((x) >> 8) & 0x0000ff00UL | \\ - ((x) >> 24) & 0x000000ffUL)) -#define swap64(x) ((uint64_t)(((uint64_t)(x) << 56) & 0xff00000000000000ULL | \\ - ((uint64_t)(x) << 40) & 0x00ff000000000000ULL | \\ - ((uint64_t)(x) << 24) & 0x0000ff0000000000ULL | \\ - ((uint64_t)(x) << 8) & 0x000000ff00000000ULL | \\ - ((x) >> 8) & 0x00000000ff000000ULL | \\ - ((x) >> 24) & 0x0000000000ff0000ULL | \\ - ((x) >> 40) & 0x000000000000ff00ULL | \\ - ((x) >> 56) & 0x00000000000000ffULL)) - -EOF - else - cat >> "$1" << EOF -/* Use these as generic byteswapping macros on this little endian system */ -#define swap16(x) ntohs(x) -#define swap32(x) ntohl(x) -/* No optimized 64 bit byte swapping macro is available */ -#define swap64(x) ((uint64_t)(((uint64_t)(x) << 56) & 0xff00000000000000ULL | \\ - ((uint64_t)(x) << 40) & 0x00ff000000000000ULL | \\ - ((uint64_t)(x) << 24) & 0x0000ff0000000000ULL | \\ - ((uint64_t)(x) << 8) & 0x000000ff00000000ULL | \\ - ((x) >> 8) & 0x00000000ff000000ULL | \\ - ((x) >> 24) & 0x0000000000ff0000ULL | \\ - ((x) >> 40) & 0x000000000000ff00ULL | \\ - ((x) >> 56) & 0x00000000000000ffULL)) - -EOF - fi -]) - ]) - ]) - ]) -]) - - -[ -if test "$HAVE_LE32TOH" != "1"; then - cat >> "$1" << EOF -/* The byte swapping macros have the form: */ -/* EENN[a]toh or htoEENN[a] where EE is be (big endian) or */ -/* le (little-endian), NN is 16 or 32 (number of bits) and a, */ -/* if present, indicates that the endian side is a pointer to an */ -/* array of uint8_t bytes instead of an integer of the specified length. */ -/* h refers to the host's ordering method. */ - -/* So, to convert a 32-bit integer stored in a buffer in little-endian */ -/* format into a uint32_t usable on this machine, you could use: */ -/* uint32_t value = le32atoh(&buf[3]); */ -/* To put that value back into the buffer, you could use: */ -/* htole32a(&buf[3], value); */ - -/* Define aliases for the standard byte swapping macros */ -/* Arguments to these macros must be properly aligned on natural word */ -/* boundaries in order to work properly on all architectures */ -#ifndef htobe16 -# define htobe16(x) htons(x) -#endif -#ifndef htobe32 -# define htobe32(x) htonl(x) -#endif -#ifndef be16toh -# define be16toh(x) ntohs(x) -#endif -#ifndef be32toh -# define be32toh(x) ntohl(x) -#endif - -#define HTOBE16(x) (x) = htobe16(x) -#define HTOBE32(x) (x) = htobe32(x) -#define BE32TOH(x) (x) = be32toh(x) -#define BE16TOH(x) (x) = be16toh(x) - -EOF - - if test $ac_cv_c_bigendian = yes; then - cat >> "$1" << EOF -/* Define our own extended byte swapping macros for big-endian machines */ -#ifndef htole16 -# define htole16(x) swap16(x) -#endif -#ifndef htole32 -# define htole32(x) swap32(x) -#endif -#ifndef le16toh -# define le16toh(x) swap16(x) -#endif -#ifndef le32toh -# define le32toh(x) swap32(x) -#endif -#ifndef le64toh -# define le64toh(x) swap64(x) -#endif - -#ifndef htobe64 -# define htobe64(x) (x) -#endif -#ifndef be64toh -# define be64toh(x) (x) -#endif - -#define HTOLE16(x) (x) = htole16(x) -#define HTOLE32(x) (x) = htole32(x) -#define LE16TOH(x) (x) = le16toh(x) -#define LE32TOH(x) (x) = le32toh(x) -#define LE64TOH(x) (x) = le64toh(x) - -#define HTOBE64(x) (void) (x) -#define BE64TOH(x) (void) (x) - -EOF - else - cat >> "$1" << EOF -/* On little endian machines, these macros are null */ -#ifndef htole16 -# define htole16(x) (x) -#endif -#ifndef htole32 -# define htole32(x) (x) -#endif -#ifndef htole64 -# define htole64(x) (x) -#endif -#ifndef le16toh -# define le16toh(x) (x) -#endif -#ifndef le32toh -# define le32toh(x) (x) -#endif -#ifndef le64toh -# define le64toh(x) (x) -#endif - -#define HTOLE16(x) (void) (x) -#define HTOLE32(x) (void) (x) -#define HTOLE64(x) (void) (x) -#define LE16TOH(x) (void) (x) -#define LE32TOH(x) (void) (x) -#define LE64TOH(x) (void) (x) - -/* These don't have standard aliases */ -#ifndef htobe64 -# define htobe64(x) swap64(x) -#endif -#ifndef be64toh -# define be64toh(x) swap64(x) -#endif - -#define HTOBE64(x) (x) = htobe64(x) -#define BE64TOH(x) (x) = be64toh(x) - -EOF - fi -fi - -cat >> "$1" << EOF -/* Define the C99 standard length-specific integer types */ -#include <_stdint.h> - -EOF - -case "${effective_target}" in - i[3456]86-*) - cat >> "$1" << EOF -/* Here are some macros to create integers from a byte array */ -/* These are used to get and put integers from/into a uint8_t array */ -/* with a specific endianness. This is the most portable way to generate */ -/* and read messages to a network or serial device. Each member of a */ -/* packet structure must be handled separately. */ - -/* The i386 and compatibles can handle unaligned memory access, */ -/* so use the optimized macros above to do this job */ -#ifndef be16atoh -# define be16atoh(x) be16toh(*(uint16_t*)(x)) -#endif -#ifndef be32atoh -# define be32atoh(x) be32toh(*(uint32_t*)(x)) -#endif -#ifndef be64atoh -# define be64atoh(x) be64toh(*(uint64_t*)(x)) -#endif -#ifndef le16atoh -# define le16atoh(x) le16toh(*(uint16_t*)(x)) -#endif -#ifndef le32atoh -# define le32atoh(x) le32toh(*(uint32_t*)(x)) -#endif -#ifndef le64atoh -# define le64atoh(x) le64toh(*(uint64_t*)(x)) -#endif - -#ifndef htob16a -# define htobe16a(a,x) *(uint16_t*)(a) = htobe16(x) -#endif -#ifndef htobe32a -# define htobe32a(a,x) *(uint32_t*)(a) = htobe32(x) -#endif -#ifndef htobe64a -# define htobe64a(a,x) *(uint64_t*)(a) = htobe64(x) -#endif -#ifndef htole16a -# define htole16a(a,x) *(uint16_t*)(a) = htole16(x) -#endif -#ifndef htole32a -# define htole32a(a,x) *(uint32_t*)(a) = htole32(x) -#endif -#ifndef htole64a -# define htole64a(a,x) *(uint64_t*)(a) = htole64(x) -#endif - -EOF - ;; - - *) - cat >> "$1" << EOF -/* Here are some macros to create integers from a byte array */ -/* These are used to get and put integers from/into a uint8_t array */ -/* with a specific endianness. This is the most portable way to generate */ -/* and read messages to a network or serial device. Each member of a */ -/* packet structure must be handled separately. */ - -/* Non-optimized but portable macros */ -#define be16atoh(x) ((uint16_t)(((x)[0]<<8)|(x)[1])) -#define be32atoh(x) ((uint32_t)(((x)[0]<<24)|((x)[1]<<16)|((x)[2]<<8)|(x)[3])) -#define be64atoh_x(x,off,shift) (((uint64_t)((x)[off]))<<shift) -#define be64atoh(x) ((uint64_t)(be64atoh_x(x,0,56)|be64atoh_x(x,1,48)|be64atoh_x(x,2,40)| \\ - be64atoh_x(x,3,32)|be64atoh_x(x,4,24)|be64atoh_x(x,5,16)|be64atoh_x(x,6,8)|((x)[7]))) -#define le16atoh(x) ((uint16_t)(((x)[1]<<8)|(x)[0])) -#define le32atoh(x) ((uint32_t)(((x)[3]<<24)|((x)[2]<<16)|((x)[1]<<8)|(x)[0])) -#define le64atoh_x(x,off,shift) (((uint64_t)(x)[off])<<shift) -#define le64atoh(x) ((uint64_t)(le64atoh_x(x,7,56)|le64atoh_x(x,6,48)|le64atoh_x(x,5,40)| \\ - le64atoh_x(x,4,32)|le64atoh_x(x,3,24)|le64atoh_x(x,2,16)|le64atoh_x(x,1,8)|((x)[0]))) - -#define htobe16a(a,x) (a)[0]=(uint8_t)((x)>>8), (a)[1]=(uint8_t)(x) -#define htobe32a(a,x) (a)[0]=(uint8_t)((x)>>24), (a)[1]=(uint8_t)((x)>>16), \\ - (a)[2]=(uint8_t)((x)>>8), (a)[3]=(uint8_t)(x) -#define htobe64a(a,x) (a)[0]=(uint8_t)((x)>>56), (a)[1]=(uint8_t)((x)>>48), \\ - (a)[2]=(uint8_t)((x)>>40), (a)[3]=(uint8_t)((x)>>32), \\ - (a)[4]=(uint8_t)((x)>>24), (a)[5]=(uint8_t)((x)>>16), \\ - (a)[6]=(uint8_t)((x)>>8), (a)[7]=(uint8_t)(x) -#define htole16a(a,x) (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x) -#define htole32a(a,x) (a)[3]=(uint8_t)((x)>>24), (a)[2]=(uint8_t)((x)>>16), \\ - (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x) -#define htole64a(a,x) (a)[7]=(uint8_t)((x)>>56), (a)[6]=(uint8_t)((x)>>48), \\ - (a)[5]=(uint8_t)((x)>>40), (a)[4]=(uint8_t)((x)>>32), \\ - (a)[3]=(uint8_t)((x)>>24), (a)[2]=(uint8_t)((x)>>16), \\ - (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x) - -EOF - ;; -esac -] - -cat >> "$1" << EOF -#endif /*__BYTEORDER_H*/ -EOF]) |