xref: /openbmc/linux/tools/perf/util/cache.h (revision 31b90347)
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 
21 typedef int (*config_fn_t)(const char *, const char *, void *);
22 extern int perf_default_config(const char *, const char *, void *);
23 extern int perf_config(config_fn_t fn, void *);
24 extern int perf_config_int(const char *, const char *);
25 extern int perf_config_bool(const char *, const char *);
26 extern int config_error_nonbool(const char *);
27 extern const char *perf_config_dirname(const char *, const char *);
28 
29 /* pager.c */
30 extern void setup_pager(void);
31 extern const char *pager_program;
32 extern int pager_in_use(void);
33 extern int pager_use_color;
34 
35 char *alias_lookup(const char *alias);
36 int split_cmdline(char *cmdline, const char ***argv);
37 
38 #define alloc_nr(x) (((x)+16)*3/2)
39 
40 /*
41  * Realloc the buffer pointed at by variable 'x' so that it can hold
42  * at least 'nr' entries; the number of entries currently allocated
43  * is 'alloc', using the standard growing factor alloc_nr() macro.
44  *
45  * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
46  */
47 #define ALLOC_GROW(x, nr, alloc) \
48 	do { \
49 		if ((nr) > alloc) { \
50 			if (alloc_nr(alloc) < (nr)) \
51 				alloc = (nr); \
52 			else \
53 				alloc = alloc_nr(alloc); \
54 			x = xrealloc((x), alloc * sizeof(*(x))); \
55 		} \
56 	} while(0)
57 
58 
59 static inline int is_absolute_path(const char *path)
60 {
61 	return path[0] == '/';
62 }
63 
64 const char *make_nonrelative_path(const char *path);
65 char *strip_path_suffix(const char *path, const char *suffix);
66 
67 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
68 extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
69 
70 extern char *perf_pathdup(const char *fmt, ...)
71 	__attribute__((format (printf, 1, 2)));
72 
73 /* Matches the libc/libbsd function attribute so we declare this unconditionally: */
74 extern size_t strlcpy(char *dest, const char *src, size_t size);
75 
76 #endif /* __PERF_CACHE_H */
77