Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 */