Iliyan Malchev | 7abfb48 | 2009-04-23 13:14:13 -0700 | [diff] [blame] | 1 | #ifndef DEBUG_H |
| 2 | #define DEBUG_H |
| 3 | |
| 4 | #include <stdlib.h> |
| 5 | #include <stdio.h> |
| 6 | |
| 7 | #define unlikely(expr) __builtin_expect (expr, 0) |
| 8 | #define likely(expr) __builtin_expect (expr, 1) |
| 9 | |
| 10 | #ifdef DEBUG |
| 11 | |
| 12 | #define FAILIF(cond, msg...) do { \ |
| 13 | if (unlikely(cond)) { \ |
| 14 | fprintf(stderr, "%s(%d): ", __FILE__, __LINE__); \ |
| 15 | fprintf(stderr, ##msg); \ |
| 16 | exit(1); \ |
| 17 | } \ |
| 18 | } while(0) |
| 19 | |
| 20 | /* Debug enabled */ |
| 21 | #define ASSERT(x) do { \ |
| 22 | if (unlikely(!(x))) { \ |
| 23 | fprintf(stderr, \ |
| 24 | "ASSERTION FAILURE %s:%d: [%s]\n", \ |
| 25 | __FILE__, __LINE__, #x); \ |
| 26 | exit(1); \ |
| 27 | } \ |
| 28 | } while(0) |
| 29 | |
| 30 | #else |
| 31 | |
| 32 | #define FAILIF(cond, msg...) do { \ |
| 33 | if (unlikely(cond)) { \ |
| 34 | fprintf(stderr, ##msg); \ |
| 35 | exit(1); \ |
| 36 | } \ |
| 37 | } while(0) |
| 38 | |
| 39 | /* No debug */ |
| 40 | #define ASSERT(x) do { } while(0) |
| 41 | |
| 42 | #endif/* DEBUG */ |
| 43 | |
| 44 | #define FAILIF_LIBELF(cond, function) \ |
| 45 | FAILIF(cond, "%s(): %s\n", #function, elf_errmsg(elf_errno())); |
| 46 | |
| 47 | static inline void *MALLOC(unsigned int size) { |
| 48 | void *m = malloc(size); |
| 49 | FAILIF(NULL == m, "malloc(%d) failed!\n", size); |
| 50 | return m; |
| 51 | } |
| 52 | |
| 53 | static inline void *CALLOC(unsigned int num_entries, unsigned int entry_size) { |
| 54 | void *m = calloc(num_entries, entry_size); |
| 55 | FAILIF(NULL == m, "calloc(%d, %d) failed!\n", num_entries, entry_size); |
| 56 | return m; |
| 57 | } |
| 58 | |
| 59 | static inline void *REALLOC(void *ptr, unsigned int size) { |
| 60 | void *m = realloc(ptr, size); |
| 61 | FAILIF(NULL == m, "realloc(%p, %d) failed!\n", ptr, size); |
| 62 | return m; |
| 63 | } |
| 64 | |
| 65 | static inline void FREE(void *ptr) { |
| 66 | free(ptr); |
| 67 | } |
| 68 | |
| 69 | static inline void FREEIF(void *ptr) { |
| 70 | if (ptr) FREE(ptr); |
| 71 | } |
| 72 | |
| 73 | #define PRINT(x...) do { \ |
| 74 | extern int quiet_flag; \ |
| 75 | if(likely(!quiet_flag)) \ |
| 76 | fprintf(stdout, ##x); \ |
| 77 | } while(0) |
| 78 | |
| 79 | #define ERROR PRINT |
| 80 | |
| 81 | #define INFO(x...) do { \ |
| 82 | extern int verbose_flag; \ |
| 83 | if(unlikely(verbose_flag)) \ |
| 84 | fprintf(stdout, ##x); \ |
| 85 | } while(0) |
| 86 | |
| 87 | /* Prints a hex and ASCII dump of the selected buffer to the selected stream. */ |
| 88 | int dump_hex_buffer(FILE *s, void *b, size_t l, size_t elsize); |
| 89 | |
| 90 | #endif/*DEBUG_H*/ |