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 #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 const char *pager_program;
  34 extern int pager_in_use(void);
  35 extern int pager_use_color;
  36
  37 char *alias_lookup(const char *alias);
  38 int split_cmdline(char *cmdline, const char ***argv);
  39
  40 #define alloc_nr(x) (((x)+16)*3/2)
  41
  42 /*
  43  * Realloc the buffer pointed at by variable 'x' so that it can hold
  44  * at least 'nr' entries; the number of entries currently allocated
  45  * is 'alloc', using the standard growing factor alloc_nr() macro.
  46  *
  47  * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
  48  */
  49 #define ALLOC_GROW(x, nr, alloc) \
  50         do { \
  51                 if ((nr) > alloc) { \
  52                         if (alloc_nr(alloc) < (nr)) \
  53                                 alloc = (nr); \
  54                         else \
  55                                 alloc = alloc_nr(alloc); \
  56                         x = xrealloc((x), alloc * sizeof(*(x))); \
  57                 } \
  58         } while(0)
  59
  60
  61 static inline int is_absolute_path(const char *path)
  62 {
  63         return path[0] == '/';
  64 }
  65
  66 const char *make_nonrelative_path(const char *path);
  67 char *strip_path_suffix(const char *path, const char *suffix);
  68
  69 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  70 extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  71
  72 extern char *perf_pathdup(const char *fmt, ...)
  73         __attribute__((format (printf, 1, 2)));
  74
  75 #ifndef __UCLIBC__
  76 /* Matches the libc/libbsd function attribute so we declare this unconditionally: */
  77 extern size_t strlcpy(char *dest, const char *src, size_t size);
  78 #endif
  79
  80 #endif /* __PERF_CACHE_H */