tools/perf/util/cache.h

   1 #ifndef CACHE_H
   2 #define CACHE_H
   3
   4 #include "util.h"
   5 #include "strbuf.h"
   6 #include "../perf.h"
   7
   8 #define PERF_DIR_ENVIRONMENT "PERF_DIR"
   9 #define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE"
  10 #define DEFAULT_PERF_DIR_ENVIRONMENT ".perf"
  11 #define DB_ENVIRONMENT "PERF_OBJECT_DIRECTORY"
  12 #define INDEX_ENVIRONMENT "PERF_INDEX_FILE"
  13 #define GRAFT_ENVIRONMENT "PERF_GRAFT_FILE"
  14 #define TEMPLATE_DIR_ENVIRONMENT "PERF_TEMPLATE_DIR"
  15 #define CONFIG_ENVIRONMENT "PERF_CONFIG"
  16 #define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH"
  17 #define CEILING_DIRECTORIES_ENVIRONMENT "PERF_CEILING_DIRECTORIES"
  18 #define PERFATTRIBUTES_FILE ".perfattributes"
  19 #define INFOATTRIBUTES_FILE "info/attributes"
  20 #define ATTRIBUTE_MACRO_PREFIX "[attr]"
  21 #define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
  22
  23 typedef int (*config_fn_t)(const char *, const char *, void *);
  24 extern int perf_default_config(const char *, const char *, void *);
  25 extern int perf_config_from_file(config_fn_t fn, const char *, void *);
  26 extern int perf_config(config_fn_t fn, void *);
  27 extern int perf_parse_ulong(const char *, unsigned long *);
  28 extern int perf_config_int(const char *, const char *);
  29 extern unsigned long perf_config_ulong(const char *, const char *);
  30 extern int perf_config_bool_or_int(const char *, const char *, int *);
  31 extern int perf_config_bool(const char *, const char *);
  32 extern int perf_config_string(const char **, const char *, const char *);
  33 extern int perf_config_set(const char *, const char *);
  34 extern int perf_config_set_multivar(const char *, const char *, const char *, int);
  35 extern int perf_config_rename_section(const char *, const char *);
  36 extern const char *perf_etc_perfconfig(void);
  37 extern int check_repository_format_version(const char *var, const char *value, void *cb);
  38 extern int perf_config_system(void);
  39 extern int perf_config_global(void);
  40 extern int config_error_nonbool(const char *);
  41 extern const char *config_exclusive_filename;
  42
  43 #define MAX_PERFNAME (1000)
  44 extern char perf_default_email[MAX_PERFNAME];
  45 extern char perf_default_name[MAX_PERFNAME];
  46 extern int user_ident_explicitly_given;
  47
  48 extern const char *perf_log_output_encoding;
  49 extern const char *perf_mailmap_file;
  50
  51 /* IO helper functions */
  52 extern void maybe_flush_or_die(FILE *, const char *);
  53 extern int copy_fd(int ifd, int ofd);
  54 extern int copy_file(const char *dst, const char *src, int mode);
  55 extern ssize_t read_in_full(int fd, void *buf, size_t count);
  56 extern ssize_t write_in_full(int fd, const void *buf, size_t count);
  57 extern void write_or_die(int fd, const void *buf, size_t count);
  58 extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg);
  59 extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg);
  60 extern void fsync_or_die(int fd, const char *);
  61
  62 /* pager.c */
  63 extern void setup_pager(void);
  64 extern const char *pager_program;
  65 extern int pager_in_use(void);
  66 extern int pager_use_color;
  67
  68 extern const char *editor_program;
  69 extern const char *excludes_file;
  70
  71 char *alias_lookup(const char *alias);
  72 int split_cmdline(char *cmdline, const char ***argv);
  73
  74 #define alloc_nr(x) (((x)+16)*3/2)
  75
  76 /*
  77  * Realloc the buffer pointed at by variable 'x' so that it can hold
  78  * at least 'nr' entries; the number of entries currently allocated
  79  * is 'alloc', using the standard growing factor alloc_nr() macro.
  80  *
  81  * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
  82  */
  83 #define ALLOC_GROW(x, nr, alloc) \
  84         do { \
  85                 if ((nr) > alloc) { \
  86                         if (alloc_nr(alloc) < (nr)) \
  87                                 alloc = (nr); \
  88                         else \
  89                                 alloc = alloc_nr(alloc); \
  90                         x = xrealloc((x), alloc * sizeof(*(x))); \
  91                 } \
  92         } while(0)
  93
  94
  95 static inline int is_absolute_path(const char *path)
  96 {
  97         return path[0] == '/';
  98 }
  99
 100 const char *make_absolute_path(const char *path);
 101 const char *make_nonrelative_path(const char *path);
 102 const char *make_relative_path(const char *abs, const char *base);
 103 int normalize_path_copy(char *dst, const char *src);
 104 int longest_ancestor_length(const char *path, const char *prefix_list);
 105 char *strip_path_suffix(const char *path, const char *suffix);
 106
 107 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
 108 extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
 109 /* perf_mkstemp() - create tmp file honoring TMPDIR variable */
 110 extern int perf_mkstemp(char *path, size_t len, const char *template);
 111
 112 extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
 113         __attribute__((format (printf, 3, 4)));
 114 extern char *perf_snpath(char *buf, size_t n, const char *fmt, ...)
 115         __attribute__((format (printf, 3, 4)));
 116 extern char *perf_pathdup(const char *fmt, ...)
 117         __attribute__((format (printf, 1, 2)));
 118
 119 extern size_t strlcpy(char *dest, const char *src, size_t size);
 120
 121 #endif /* CACHE_H */