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/*
* Copyright (C) 2010-2015 NVIDIA Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef __COMMON_UTILS_H__
#define __COMMON_UTILS_H__
#include <stdio.h>
#include <stdarg.h>
#include <sys/types.h>
#include <stdint.h>
#include "msg.h"
#if !defined(TRUE)
#define TRUE 1
#endif
#if !defined(FALSE)
#define FALSE 0
#endif
#define ARRAY_LEN(_arr) (sizeof(_arr) / sizeof(_arr[0]))
#ifndef NV_MIN
#define NV_MIN(x,y) ((x) < (y) ? (x) : (y))
#endif
#ifndef NV_MAX
#define NV_MAX(x,y) ((x) > (y) ? (x) : (y))
#endif
#define TAB " "
#define BIGTAB " "
void *nvalloc(size_t size);
char *nvstrcat(const char *str, ...);
void *nvrealloc(void *ptr, size_t size);
char *nvstrdup(const char *s);
char *nvstrndup(const char *s, size_t n);
char *nvstrtolower(char *s);
char *nvstrtoupper(char *s);
char *nvstrchrnul(char *s, int c);
char *nvasprintf(const char *fmt, ...) NV_ATTRIBUTE_PRINTF(1, 2);
void nv_append_sprintf(char **buf, const char *fmt, ...) NV_ATTRIBUTE_PRINTF(2, 3);
void nvfree(void *s);
char *tilde_expansion(const char *str);
char *nv_prepend_to_string_list(char *list, const char *item, const char *delim);
char *fget_next_line(FILE *fp, int *eof);
int nv_open(const char *pathname, int flags, mode_t mode);
int nv_get_file_length(const char *filename);
void nv_set_file_length(const char *filename, int fd, int len);
void *nv_mmap(const char *filename, size_t len, int prot, int flags, int fd);
char *nv_basename(const char *path);
int nv_mkdir_recursive(const char *path, const mode_t mode,
char **error_str, char **log_str);
char *nv_trim_space(char *string);
char *nv_trim_char(char *string, char trim);
char *nv_trim_char_strict(char *string, char trim);
void remove_trailing_slashes(char *string);
int directory_exists(const char *dir);
#if defined(__GNUC__)
# define NV_INLINE __inline__
#else
# define NV_INLINE
#endif
/*
* Simple function which encodes a version number, given as major, minor, micro,
* and nano, as a 64-bit unsigned integer. This is defined in an inline function
* rather than as a macro for convenience so it can be examined by the debugger.
* Encoded version numbers can be compared directly in version checks.
*/
static NV_INLINE uint64_t nv_encode_version(unsigned int major,
unsigned int minor,
unsigned int micro,
unsigned int nano)
{
return (((uint64_t)(nano & 0xFFFF)) |
(((uint64_t)(micro & 0xFFFF)) << 16) |
(((uint64_t)(minor & 0xFFFF)) << 32) |
(((uint64_t)(major & 0xFFFF)) << 48));
}
/*
* Wrapper macros for nv_encode_version(). For K in {2,3,4}, NV_VERSIONK() takes
* a K-part version number.
*/
#define NV_VERSION2(major, minor) \
nv_encode_version(major, minor, 0, 0)
#define NV_VERSION3(major, minor, micro) \
nv_encode_version(major, minor, micro, 0)
#define NV_VERSION4(major, minor, micro, nano) \
nv_encode_version(major, minor, micro, nano)
/*
* Helper enum that can be used for boolean values that might or might not be
* set. Care should be taken to avoid simple boolean testing, as a value of
* NV_OPTIONAL_BOOL_DEFAULT would evaluate as true.
*
* The user is responsible for unconditionally initializing the default value of
* any such booleans to NV_OPTIONAL_BOOL_DEFAULT, before any code path that
* might optionally set their values is executed.
*/
typedef enum {
NV_OPTIONAL_BOOL_DEFAULT = -1,
NV_OPTIONAL_BOOL_FALSE = FALSE,
NV_OPTIONAL_BOOL_TRUE = TRUE
} NVOptionalBool;
#define NV_ID_STRING PROGRAM_NAME ": version " NVIDIA_VERSION
#endif /* __COMMON_UTILS_H__ */
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