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 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 */ 186