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