xref: /openbmc/linux/tools/perf/util/cache.h (revision 95e9fd10)
1 #ifndef __PERF_CACHE_H
2 #define __PERF_CACHE_H
3 
4 #include <stdbool.h>
5 #include "util.h"
6 #include "strbuf.h"
7 #include "../perf.h"
8 
9 #define CMD_EXEC_PATH "--exec-path"
10 #define CMD_PERF_DIR "--perf-dir="
11 #define CMD_WORK_TREE "--work-tree="
12 #define CMD_DEBUGFS_DIR "--debugfs-dir="
13 
14 #define PERF_DIR_ENVIRONMENT "PERF_DIR"
15 #define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE"
16 #define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH"
17 #define DEFAULT_PERF_DIR_ENVIRONMENT ".perf"
18 #define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
19 
20 typedef int (*config_fn_t)(const char *, const char *, void *);
21 extern int perf_default_config(const char *, const char *, void *);
22 extern int perf_config(config_fn_t fn, void *);
23 extern int perf_config_int(const char *, const char *);
24 extern int perf_config_bool(const char *, const char *);
25 extern int config_error_nonbool(const char *);
26 extern const char *perf_config_dirname(const char *, const char *);
27 
28 /* pager.c */
29 extern void setup_pager(void);
30 extern const char *pager_program;
31 extern int pager_in_use(void);
32 extern int pager_use_color;
33 
34 extern int use_browser;
35 
36 #if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT)
37 static inline void setup_browser(bool fallback_to_pager)
38 {
39 	if (fallback_to_pager)
40 		setup_pager();
41 }
42 static inline void exit_browser(bool wait_for_ok __used) {}
43 #else
44 void setup_browser(bool fallback_to_pager);
45 void exit_browser(bool wait_for_ok);
46 
47 #ifdef NO_NEWT_SUPPORT
48 static inline int ui__init(void)
49 {
50 	return -1;
51 }
52 static inline void ui__exit(bool wait_for_ok __used) {}
53 #else
54 int ui__init(void);
55 void ui__exit(bool wait_for_ok);
56 #endif
57 
58 #ifdef NO_GTK2_SUPPORT
59 static inline int perf_gtk__init(void)
60 {
61 	return -1;
62 }
63 static inline void perf_gtk__exit(bool wait_for_ok __used) {}
64 #else
65 int perf_gtk__init(void);
66 void perf_gtk__exit(bool wait_for_ok);
67 #endif
68 #endif /* NO_NEWT_SUPPORT && NO_GTK2_SUPPORT */
69 
70 char *alias_lookup(const char *alias);
71 int 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 
94 static inline int is_absolute_path(const char *path)
95 {
96 	return path[0] == '/';
97 }
98 
99 const char *make_nonrelative_path(const char *path);
100 char *strip_path_suffix(const char *path, const char *suffix);
101 
102 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
103 extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
104 
105 extern char *perf_pathdup(const char *fmt, ...)
106 	__attribute__((format (printf, 1, 2)));
107 
108 #ifdef NO_STRLCPY
109 extern size_t strlcpy(char *dest, const char *src, size_t size);
110 #endif
111 
112 #endif /* __PERF_CACHE_H */
113