1/* Copyright (C) 2021 Free Software Foundation, Inc. 2 Contributed by Oracle. 3 4 This file is part of GNU Binutils. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21#ifndef _PERFAN_UTIL_H 22#define _PERFAN_UTIL_H 23 24#include <stdio.h> 25#include <stdlib.h> 26#include <string.h> 27#include <sys/stat.h> 28#include <stdint.h> 29 30#include "gp-defs.h" 31#include "gp-time.h" 32#include "i18n.h" 33#include "debug.h" 34 35#define SWAP_ENDIAN(x) swapByteOrder((void *) (&(x)), sizeof(x)) 36#define AppendString(len, arr, ...) len += snprintf(arr + len, sizeof(arr) - len, __VA_ARGS__) 37#define ARR_SIZE(x) (sizeof (x) / sizeof (*(x))) 38 39// Utility routines. 40 41// 42// Inline functions 43// 44// max(a, b) - Return the maximum of two values 45inline int 46max (int a, int b) 47{ 48 return (a >= b) ? a : b; 49} 50 51// min(a, b) - Return the minimum of two values 52inline int 53min (int a, int b) 54{ 55 return (a <= b) ? a : b; 56} 57 58// streq(s1, s2) - Returns 1 if strings are the same, 0 otherwise 59inline int 60streq (const char *s1, const char *s2) 61{ 62 return strcmp (s1, s2) == 0; 63} 64 65// StrChr(str, ch) - Rerurn 'str' if 'ch' does not occur in 'str' or 66// a pointer to the next symbol after the first occurrence of 'ch' in 'str' 67inline char * 68StrChr (char *str, char ch) 69{ 70 char *s = strchr (str, ch); 71 return s ? (s + 1) : str; 72} 73 74// StrRchr(str, ch) - Rerurn 'str' if 'ch' does not occur in 'str' or 75// a pointer to the next symbol after the last occurrence of 'ch' in 'str' 76inline char * 77StrRchr (char *str, char ch) 78{ 79 char *s = strrchr (str, ch); 80 return s ? (s + 1) : str; 81} 82 83inline char* 84STR (const char *s) 85{ 86 return s ? (char*) s : (char*) NTXT ("NULL"); 87} 88 89inline char* 90get_str (const char *s, const char *s1) 91{ 92 return s ? (char*) s : (char*) s1; 93} 94 95inline char * 96get_basename (const char* name) 97{ 98 return StrRchr ((char*) name, '/'); 99} 100 101inline char * 102dbe_strdup (const char *str) 103{ 104 return str ? strdup (str) : NULL; 105} 106 107inline long 108dbe_sstrlen (const char *str) 109{ 110 return str ? (long) strlen (str) : 0; 111} 112 113inline int 114dbe_strcmp (const char *s1, const char *s2) 115{ 116 return s1 ? (s2 ? strcmp (s1, s2) : 1) : (s2 ? -1 : 0); 117} 118 119// tstodouble(t) - Return timestruc_t in (double) seconds 120inline double 121tstodouble (timestruc_t t) 122{ 123 return (double) t.tv_sec + (double) (t.tv_nsec / 1000000000.0); 124} 125 126inline void 127hr2timestruc (timestruc_t *d, hrtime_t s) 128{ 129 d->tv_sec = (long) (s / NANOSEC); 130 d->tv_nsec = (long) (s % NANOSEC); 131} 132 133inline hrtime_t 134timestruc2hr (timestruc_t *s) 135{ 136 return (hrtime_t) s->tv_sec * NANOSEC + (hrtime_t) s->tv_nsec; 137} 138 139struct stat64; 140 141#if defined(__cplusplus) 142extern "C" 143{ 144#endif 145 // 146 // Declaration of utility functions 147 // 148 void tsadd (timestruc_t *result, timestruc_t *time); 149 void tssub (timestruc_t *result, timestruc_t *time1, timestruc_t *time2); 150 int tscmp (timestruc_t *time1, timestruc_t *time2); 151 void int_max (int *maximum, int count); 152 char *strstr_r (char *s1, const char *s2); 153 char *strrpbrk (const char *string, const char *brkset); 154 char *read_line (FILE *); 155 char *parse_qstring (char *in_str, char **endptr); 156 char *parse_fname (char *in_str, char **fcontext); 157 int get_paren (const char *name); 158 159 uint64_t crc64 (const char *str, size_t len); 160 char *canonical_path (char *path); 161 char *get_relative_path (char *name); 162 char *get_relative_link (const char *path_to, const char *path_from); 163 char *get_prog_name (int basename); 164 char *dbe_strndup (const char *str, size_t len); 165 int dbe_stat (const char *path, struct stat64 *sbuf); 166 int dbe_stat_file (const char *path, struct stat64 *sbuf); 167 char *dbe_read_dir (const char *path, const char *format); 168 char *dbe_get_processes (const char *format); 169 char *dbe_create_directories (const char *pathname); 170 char *dbe_delete_file (const char *pathname); 171 char *dbe_xml2str (const char *s); 172 void swapByteOrder (void *p, size_t sz); 173 char *dbe_sprintf (const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); 174 ssize_t dbe_write (int f, const char *fmt, ...) __attribute__ ((format (printf, 2, 3))); 175 char *dbe_create_symlink_to_path (const char *path, const char *dir); 176 int64_t read_from_file (int fd, void *buffer, int64_t nbyte); 177 uint32_t get_cksum (const char * pathname, char ** errmsg); 178 179#ifdef __cplusplus 180} 181int catch_out_of_memory (int (*real_main)(int, char*[]), int argc, char *argv[]); 182#endif 183 184 185#endif /* _UTIL_H */ 186