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b5038e15 FT |
1 | #ifndef _UTILS_H |
2 | #define _UTILS_H | |
3 | ||
4 | #include <sys/types.h> | |
5 | #include <stdint.h> | |
6 | #include <stdarg.h> | |
7 | ||
8 | #define smalloc(size) ({void *__result__; ((__result__ = malloc(size)) == NULL)?({exit(-1); (void *)0;}):__result__;}) | |
9 | #define srealloc(ptr, size) ({void *__result__; ((__result__ = realloc((ptr), (size))) == NULL)?({exit(-1); (void *)0;}):__result__;}) | |
10 | #define szmalloc(size) memset(smalloc(size), 0, size) | |
11 | #define sstrdup(str) ({char *__strbuf__ = (str); strcpy(smalloc(strlen(__strbuf__) + 1), __strbuf__);}) | |
12 | #define omalloc(o) ((o) = szmalloc(sizeof(*(o)))) | |
13 | ||
14 | #define bufinit(buf) memset(&(buf), 0, sizeof(buf)) | |
15 | #define buffree(buf) do { if((buf).b != NULL) {free((buf).b);} } while(0) | |
16 | #define bufdupc(buf) memcpy(smalloc((buf).d * sizeof(*((buf).b))), (buf).b, (buf).d * sizeof(*((buf).b))) | |
17 | #define sizebuf(buf, wanted) (_sizebuf((struct buffer *)&(buf), (wanted), sizeof(*((buf).b)))) | |
18 | #define sizebuf2(buf, wanted) (_sizebuf2((void **)&(buf), &(buf ## size), (wanted), sizeof(*(buf)))) | |
19 | #define bufdel(buf, i) (memmove((buf).b + (i), (buf).b + (i) + 1, (--((buf).d) - (i)) * sizeof(*((buf).b)))) | |
20 | #define bufadd(buf, new) \ | |
21 | do { \ | |
22 | _sizebuf((struct buffer *)&(buf), (buf).d + 1, sizeof(*((buf).b))); \ | |
23 | (buf).b[(buf).d++] = (new); \ | |
24 | } while(0) | |
25 | #define bufcat(buf, new, size) \ | |
26 | do { \ | |
27 | size_t __bufcat_size__; \ | |
28 | __bufcat_size__ = (size); \ | |
29 | _sizebuf((struct buffer *)&(buf), (buf).d + __bufcat_size__, sizeof((buf).b)); \ | |
30 | memcpy((buf).b + (buf).d, (new), (__bufcat_size__) * sizeof(*((buf).b))); \ | |
31 | (buf).d += __bufcat_size__; \ | |
32 | } while(0) | |
33 | #define bufcatnum(buf, num, type) \ | |
34 | do { \ | |
35 | type __buf__; \ | |
36 | __buf__ = (num); \ | |
37 | bufcat((buf), &__buf__, sizeof(type)); \ | |
38 | } while(0) | |
39 | #define bufcatuid(buf, uid) \ | |
40 | do { \ | |
41 | uniqid_t __buf__; \ | |
42 | __buf__ = (uid); \ | |
43 | bufcat((buf), &__buf__, sizeof(__buf__)); \ | |
44 | } while(0) | |
45 | #define bufcatstr(buf, str) \ | |
46 | do { \ | |
47 | char *__buf__; \ | |
48 | __buf__ = (str); \ | |
49 | bufcat((buf), __buf__, strlen(__buf__) + 1); \ | |
50 | } while(0) | |
51 | #define bufcatstr2(buf, str) \ | |
52 | do { \ | |
53 | char *__buf__; \ | |
54 | __buf__ = (str); \ | |
55 | bufcat((buf), __buf__, strlen(__buf__)); \ | |
56 | } while(0) | |
57 | #define bufcats(buf, d) bufcat((buf), &(d), sizeof(d)) | |
58 | #define bufeat(buf, len) \ | |
59 | do { \ | |
60 | size_t __bufeat_size__; \ | |
61 | __bufeat_size__ = (len); \ | |
62 | memmove((buf).b, (buf).b + __bufeat_size__, (buf).d -= __bufeat_size__); \ | |
63 | } while(0) | |
64 | ||
65 | struct buffer { | |
66 | void *b; | |
67 | size_t s, d; | |
68 | }; | |
69 | ||
49697920 FT |
70 | struct intbuf { |
71 | int *b; | |
72 | size_t s, d; | |
73 | }; | |
74 | ||
b5038e15 FT |
75 | struct charbuf { |
76 | char *b; | |
77 | size_t s, d; | |
78 | }; | |
79 | ||
80 | struct charvbuf { | |
81 | char **b; | |
82 | size_t s, d; | |
83 | }; | |
84 | ||
85 | struct ptrbuf { | |
86 | void **b; | |
87 | size_t s, d; | |
88 | }; | |
89 | ||
90 | void _sizebuf(struct buffer *buf, size_t wanted, size_t el); | |
91 | void _sizebuf2(void **buf, size_t *sz, size_t wanted, size_t el); | |
92 | char *vsprintf2(char *format, va_list al); | |
93 | char *sprintf2(char *format, ...); | |
94 | ||
95 | #endif |