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 */
122
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