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 #ifdef NO_NEWT_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 #endif
  47
  48 char *alias_lookup(const char *alias);
  49 int split_cmdline(char *cmdline, const char ***argv);
  50
  51 #define alloc_nr(x) (((x)+16)*3/2)
  52
  53 /*
  54  * Realloc the buffer pointed at by variable 'x' so that it can hold
  55  * at least 'nr' entries; the number of entries currently allocated
  56  * is 'alloc', using the standard growing factor alloc_nr() macro.
  57  *
  58  * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
  59  */
  60 #define ALLOC_GROW(x, nr, alloc) \
  61         do { \
  62                 if ((nr) > alloc) { \
  63                         if (alloc_nr(alloc) < (nr)) \
  64                                 alloc = (nr); \
  65                         else \
  66                                 alloc = alloc_nr(alloc); \
  67                         x = xrealloc((x), alloc * sizeof(*(x))); \
  68                 } \
  69         } while(0)
  70
  71
  72 static inline int is_absolute_path(const char *path)
  73 {
  74         return path[0] == '/';
  75 }
  76
  77 const char *make_nonrelative_path(const char *path);
  78 char *strip_path_suffix(const char *path, const char *suffix);
  79
  80 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  81 extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  82
  83 extern char *perf_pathdup(const char *fmt, ...)
  84         __attribute__((format (printf, 1, 2)));
  85
  86 #ifdef NO_STRLCPY
  87 extern size_t strlcpy(char *dest, const char *src, size_t size);
  88 #endif
  89
  90 #endif /* __PERF_CACHE_H */