tools/perf/util/cache.h

   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 __maybe_unused) {}
  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 __maybe_unused) {}
  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 __maybe_unused) {}
  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 */