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 read_in_full(int fd, void *buf, size_t count);
56extern ssize_t write_in_full(int fd, const void *buf, size_t count);
57extern void write_or_die(int fd, const void *buf, size_t count);
58extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg);
59extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg);
60extern void fsync_or_die(int fd, const char *);
61
62/* pager.c */
63extern void setup_pager(void);
64extern const char *pager_program;
65extern int pager_in_use(void);
66extern int pager_use_color;
67
68extern const char *editor_program;
69extern const char *excludes_file;
70
71char *alias_lookup(const char *alias);
72int 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
95static inline int is_absolute_path(const char *path)
96{
97 return path[0] == '/';
98}
99
100const char *make_absolute_path(const char *path);
101const char *make_nonrelative_path(const char *path);
102const char *make_relative_path(const char *abs, const char *base);
103int normalize_path_copy(char *dst, const char *src);
104int longest_ancestor_length(const char *path, const char *prefix_list);
105char *strip_path_suffix(const char *path, const char *suffix);
106
107extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
108extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
109/* perf_mkstemp() - create tmp file honoring TMPDIR variable */
110extern int perf_mkstemp(char *path, size_t len, const char *template);
111
112extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
113 __attribute__((format (printf, 3, 4)));
114extern char *perf_snpath(char *buf, size_t n, const char *fmt, ...)
115 __attribute__((format (printf, 3, 4)));
116extern char *perf_pathdup(const char *fmt, ...)
117 __attribute__((format (printf, 1, 2)));
118
119extern size_t strlcpy(char *dest, const char *src, size_t size);
120
121#endif /* CACHE_H */