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f0bbedf7 FT |
1 | #ifndef _UTILS_H |
2 | #define _UTILS_H | |
3 | ||
90f6e953 FT |
4 | #include <stdarg.h> |
5 | ||
b16800fa FT |
6 | #define max(a, b) (((b) > (a))?(b):(a)) |
7 | #define min(a, b) (((b) < (a))?(b):(a)) | |
8 | ||
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9 | #define smalloc(size) ({void *__result__; ((__result__ = malloc(size)) == NULL)?({exit(-1); (void *)0;}):__result__;}) |
10 | #define srealloc(ptr, size) ({void *__result__; ((__result__ = realloc((ptr), (size))) == NULL)?({exit(-1); (void *)0;}):__result__;}) | |
11 | #define szmalloc(size) memset(smalloc(size), 0, size) | |
90f6e953 | 12 | #define sstrdup(str) ({const char *__strbuf__ = (str); strcpy(smalloc(strlen(__strbuf__) + 1), __strbuf__);}) |
f0bbedf7 FT |
13 | #define omalloc(o) ((o) = szmalloc(sizeof(*(o)))) |
14 | ||
15 | #define bufinit(buf) memset(&(buf), 0, sizeof(buf)) | |
5fc1bf9f | 16 | #define buffree(buf) do { if((buf).b != NULL) {free((buf).b);} bufinit(buf); } while(0) |
f0bbedf7 FT |
17 | #define sizebuf(buf, wanted) (_sizebuf((struct buffer *)&(buf), (wanted), sizeof(*((buf).b)))) |
18 | #define bufadd(buf, new) \ | |
19 | do { \ | |
20 | _sizebuf((struct buffer *)&(buf), (buf).d + 1, sizeof(*((buf).b))); \ | |
21 | (buf).b[(buf).d++] = (new); \ | |
22 | } while(0) | |
23 | #define bufcat(buf, new, size) \ | |
24 | do { \ | |
25 | size_t __bufcat_size__; \ | |
26 | __bufcat_size__ = (size); \ | |
27 | _sizebuf((struct buffer *)&(buf), (buf).d + __bufcat_size__, sizeof((buf).b)); \ | |
28 | memcpy((buf).b + (buf).d, (new), (__bufcat_size__) * sizeof(*((buf).b))); \ | |
29 | (buf).d += __bufcat_size__; \ | |
30 | } while(0) | |
90f6e953 | 31 | #define bufcatstr(buf, str) \ |
f0bbedf7 FT |
32 | do { \ |
33 | char *__buf__; \ | |
34 | __buf__ = (str); \ | |
35 | bufcat((buf), __buf__, strlen(__buf__)); \ | |
36 | } while(0) | |
90f6e953 FT |
37 | #define bufcatstr2(buf, str) \ |
38 | do { \ | |
39 | char *__buf__; \ | |
40 | __buf__ = (str); \ | |
41 | bufcat((buf), __buf__, strlen(__buf__) + 1); \ | |
42 | } while(0) | |
43 | #define bufeat(buf, len) memmove((buf).b, (buf).b + (len), (buf).d -= (len)) | |
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44 | |
45 | struct buffer { | |
46 | void *b; | |
47 | size_t s, d; | |
48 | }; | |
49 | ||
50 | #define typedbuf(type) struct {type *b; size_t s, d;} | |
51 | ||
52 | struct charbuf { | |
53 | char *b; | |
54 | size_t s, d; | |
55 | }; | |
56 | ||
57 | struct charvbuf { | |
58 | char **b; | |
59 | size_t s, d; | |
60 | }; | |
61 | ||
62 | void _sizebuf(struct buffer *buf, size_t wanted, size_t el); | |
90f6e953 FT |
63 | char *decstr(char **p, size_t *len); |
64 | char *vsprintf2(char *format, va_list al); | |
65 | char *sprintf2(char *format, ...); | |
66 | char *sprintf3(char *format, ...); | |
9aee4cbc | 67 | off_t atoo(char *n); |
f2b26d44 FT |
68 | char **tokenize(char *src); |
69 | void freeca(char **ca); | |
d1bd343c | 70 | int calen(char **a); |
d422fdfd FT |
71 | void bvprintf(struct charbuf *buf, char *format, va_list al); |
72 | void bprintf(struct charbuf *buf, char *format, ...); | |
5fc1bf9f | 73 | void replstr(char **p, char *n); |
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74 | |
75 | #endif |