1 /* Copyright (C) 2021-2023 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
45 inline int
46 max (int a, int b)
47 {
48 return (a >= b) ? a : b;
49 }
50
51 // min(a, b) - Return the minimum of two values
52 inline int
53 min (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
59 inline int
60 streq (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'
67 inline char *
68 StrChr (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'
76 inline char *
77 StrRchr (char *str, char ch)
78 {
79 char *s = strrchr (str, ch);
80 return s ? (s + 1) : str;
81 }
82
83 inline char*
84 STR (const char *s)
85 {
86 return s ? (char*) s : (char*) NTXT ("NULL");
87 }
88
89 inline char*
90 get_str (const char *s, const char *s1)
91 {
92 return s ? (char*) s : (char*) s1;
93 }
94
95 inline char *
96 get_basename (const char* name)
97 {
98 return StrRchr ((char*) name, '/');
99 }
100
101 inline char *
102 dbe_strdup (const char *str)
103 {
104 return str ? strdup (str) : NULL;
105 }
106
107 inline long
108 dbe_sstrlen (const char *str)
109 {
110 return str ? (long) strlen (str) : 0;
111 }
112
113 inline int
114 dbe_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
120 inline double
121 tstodouble (timestruc_t t)
122 {
123 return (double) t.tv_sec + (double) (t.tv_nsec / 1000000000.0);
124 }
125
126 inline void
127 hr2timestruc (timestruc_t *d, hrtime_t s)
128 {
129 d->tv_sec = (long) (s / NANOSEC);
130 d->tv_nsec = (long) (s % NANOSEC);
131 }
132
133 inline hrtime_t
134 timestruc2hr (timestruc_t *s)
135 {
136 return (hrtime_t) s->tv_sec * NANOSEC + (hrtime_t) s->tv_nsec;
137 }
138
139 struct stat64;
140
141 #if defined(__cplusplus)
142 extern "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 }
181 int catch_out_of_memory (int (*real_main)(int, char*[]), int argc, char *argv[]);
182 #endif
183
184
185 #endif /* _UTIL_H */