diff options
Diffstat (limited to 'examples/portab.h')
| -rw-r--r-- | examples/portab.h | 99 |
1 files changed, 39 insertions, 60 deletions
diff --git a/examples/portab.h b/examples/portab.h index 1405b44..d8217ed 100644 --- a/examples/portab.h +++ b/examples/portab.h @@ -2,19 +2,7 @@ This file is part of the LZO real-time data compression library. - Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer All Rights Reserved. The LZO library is free software; you can redistribute it and/or @@ -41,17 +29,21 @@ #include "lzo/lzoconf.h" #if (LZO_CC_MSC && (_MSC_VER >= 1000 && _MSC_VER < 1200)) - /* avoid `-W4' warnings in system header files */ + /* avoid '-W4' warnings in system header files */ # pragma warning(disable: 4201 4214 4514) #endif #if (LZO_CC_MSC && (_MSC_VER >= 1300)) - /* avoid `-Wall' warnings in system header files */ + /* avoid '-Wall' warnings in system header files */ # pragma warning(disable: 4163 4255 4820) /* avoid warnings about inlining */ # pragma warning(disable: 4710 4711) #endif -#if (LZO_CC_MSC && (_MSC_VER >= 1400)) - /* avoid warnings when using "deprecated" POSIX functions */ +/* disable silly warnings about using "deprecated" POSIX functions like "fopen" */ +#if (LZO_CC_INTELC_MSC && (__INTEL_COMPILER >= 1100)) +# pragma warning(disable: 1786) +#elif (LZO_CC_INTELC_MSC && (__INTEL_COMPILER >= 1000)) +# pragma warning(disable: 1478) +#elif (LZO_CC_MSC && (_MSC_VER >= 1400)) # pragma warning(disable: 4996) #endif #if (LZO_CC_PELLESC && (__POCC__ >= 290)) @@ -63,19 +55,13 @@ // **************************************************************************/ -#if defined(__LZO_MMODEL_HUGE) || !(defined(LZO_LIBC_ISOC90) || defined(LZO_LIBC_ISOC99)) +#if defined(LZO_WANT_ACCLIB_GETOPT) || !(defined(LZO_LIBC_ISOC90) || defined(LZO_LIBC_ISOC99)) #include "examples/portab_a.h" #else -/* INFO: - * The "portab_a.h" version above uses the ACC library to add - * support for ancient systems (like 16-bit DOS) and to provide - * some gimmicks like Windows high-resolution timers. - * Still, on any halfway modern machine you can also use the - * following pure ANSI-C code instead. - */ +/* On any halfway modern machine we can use the following pure ANSI-C code. */ #include <stddef.h> #include <stdlib.h> @@ -95,13 +81,14 @@ # define lzo_fread(f,b,s) (fread(b,1,s,f)) # define lzo_fwrite(f,b,s) (fwrite(b,1,s,f)) #endif -#if defined(WANT_LZO_UCLOCK) -# define lzo_uclock_handle_t int -# define lzo_uclock_t double -# define lzo_uclock_open(a) ((void)(a)) -# define lzo_uclock_close(a) ((void)(a)) -# define lzo_uclock_read(a,b) *(b) = (clock() / (double)(CLOCKS_PER_SEC)) -# define lzo_uclock_get_elapsed(a,b,c) (*(c) - *(b)) +#if defined(WANT_LZO_PCLOCK) +# define lzo_pclock_handle_t int +# define lzo_pclock_t double +# define lzo_pclock_open_default(a) ((void)(a)) +# define lzo_pclock_close(a) ((void)(a)) +# define lzo_pclock_read(a,b) *(b) = (clock() / (double)(CLOCKS_PER_SEC)) +# define lzo_pclock_get_elapsed(a,b,c) (*(c) - *(b)) +# define lzo_pclock_flush_cpu_cache(a,b) ((void)(a)) #endif #if defined(WANT_LZO_WILDARGV) # define lzo_wildargv(a,b) ((void)0) @@ -129,34 +116,26 @@ #undef xwrite32 -#if defined(WANT_LZO_UCLOCK) - -/* High quality benchmarking. - * - * Flush the CPU cache to get more accurate benchmark values. - * This needs custom kernel patches. As a result - in combination with - * the perfctr Linux kernel patches - accurate high-quality benchmarking - * is possible. - * - * All other methods (rdtsc, QueryPerformanceCounter, gettimeofday, ...) - * are completely unreliable for our purposes, and the only other - * option is to boot into a legacy single-task operating system - * like plain MSDOS and to directly reprogram the hardware clock. - * [The djgpp2 port of the gcc compiler has support functions for this.] - * - * Also, for embedded systems it's best to benchmark by using a - * CPU emulator/simulator software that can exactly count all - * virtual clock ticks. - */ - -#if !defined(lzo_uclock_flush_cpu_cache) -# define lzo_uclock_flush_cpu_cache(h,flags) ((void)(h)) -#endif - +#if defined(WANT_XMALLOC) +static lzo_voidp xmalloc(lzo_uint len) +{ + lzo_voidp p; + lzo_uint align = (lzo_uint) sizeof(lzo_align_t); + + p = (lzo_voidp) lzo_malloc(len > 0 ? len : 1); + if (p == NULL) + { + printf("%s: out of memory\n", progname); + exit(1); + } + if (len >= align && __lzo_align_gap(p, align) != 0) + { + printf("%s: C library problem: malloc() returned misaligned pointer!\n", progname); + exit(1); + } + return p; +} #endif -/* -vi:ts=4:et -*/ - +/* vim:set ts=4 sw=4 et: */ |