xref: /openbmc/linux/tools/perf/util/cache.h (revision 9cfc5c90)
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 #include "../ui/ui.h"
9 
10 #define CMD_EXEC_PATH "--exec-path"
11 #define CMD_PERF_DIR "--perf-dir="
12 #define CMD_WORK_TREE "--work-tree="
13 #define CMD_DEBUGFS_DIR "--debugfs-dir="
14 
15 #define PERF_DIR_ENVIRONMENT "PERF_DIR"
16 #define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE"
17 #define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH"
18 #define DEFAULT_PERF_DIR_ENVIRONMENT ".perf"
19 #define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
20 #define PERF_TRACEFS_ENVIRONMENT "PERF_TRACEFS_DIR"
21 
22 typedef int (*config_fn_t)(const char *, const char *, void *);
23 extern int perf_default_config(const char *, const char *, void *);
24 extern int perf_config(config_fn_t fn, void *);
25 extern int perf_config_int(const char *, const char *);
26 extern u64 perf_config_u64(const char *, const char *);
27 extern int perf_config_bool(const char *, const char *);
28 extern int config_error_nonbool(const char *);
29 extern const char *perf_config_dirname(const char *, const char *);
30 
31 /* pager.c */
32 extern void setup_pager(void);
33 extern int pager_in_use(void);
34 extern int pager_use_color;
35 
36 char *alias_lookup(const char *alias);
37 int split_cmdline(char *cmdline, const char ***argv);
38 
39 #define alloc_nr(x) (((x)+16)*3/2)
40 
41 /*
42  * Realloc the buffer pointed at by variable 'x' so that it can hold
43  * at least 'nr' entries; the number of entries currently allocated
44  * is 'alloc', using the standard growing factor alloc_nr() macro.
45  *
46  * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
47  */
48 #define ALLOC_GROW(x, nr, alloc) \
49 	do { \
50 		if ((nr) > alloc) { \
51 			if (alloc_nr(alloc) < (nr)) \
52 				alloc = (nr); \
53 			else \
54 				alloc = alloc_nr(alloc); \
55 			x = xrealloc((x), alloc * sizeof(*(x))); \
56 		} \
57 	} while(0)
58 
59 
60 static inline int is_absolute_path(const char *path)
61 {
62 	return path[0] == '/';
63 }
64 
65 const char *make_nonrelative_path(const char *path);
66 char *strip_path_suffix(const char *path, const char *suffix);
67 
68 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
69 extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
70 
71 extern char *perf_pathdup(const char *fmt, ...)
72 	__attribute__((format (printf, 1, 2)));
73 
74 #ifndef __UCLIBC__
75 /* Matches the libc/libbsd function attribute so we declare this unconditionally: */
76 extern size_t strlcpy(char *dest, const char *src, size_t size);
77 #endif
78 
79 #endif /* __PERF_CACHE_H */
80