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