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      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 #ifndef HAVE_STRLCPY
     74 extern size_t strlcpy(char *dest, const char *src, size_t size);
     75 #endif
     76 
     77 #endif /* __PERF_CACHE_H */
     78