1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <tb/sb.h>
void sb_init(struct sb *ctx, size_t starting_capacity) {
ctx->string = malloc(starting_capacity);
ctx->length = 0;
ctx->capacity = starting_capacity;
}
void sb_free(struct sb *ctx) {
ctx->length = 0;
ctx->capacity = 0;
free(ctx->string);
ctx->string = NULL;
}
void sb_reset(struct sb *ctx) {
ctx->length = 0;
}
int sb_isempty(const struct sb *ctx) {
return (0 == ctx->length);
}
void sb_append_char(struct sb *ctx, char c) {
if (1 > ctx->capacity - ctx->length) {
ctx->capacity += 32;
ctx->string = realloc(ctx->string, ctx->capacity);
}
memcpy(ctx->string + ctx->length, &c, 1);
ctx->length++;
}
int sb_delete_right(struct sb *ctx, size_t n) {
n = min(n, ctx->length);
ctx->length -= n;
return n;
}
void sb_append(struct sb *ctx, const char *s) {
size_t l = strlen(s);
if (l > ctx->capacity - ctx->length) {
ctx->capacity += l;
ctx->string = realloc(ctx->string, ctx->capacity);
}
memcpy(ctx->string + ctx->length, s, l);
ctx->length += l;
}
void sb_prepend_sv(struct sb *ctx, struct sv sv) {
sb_prepend_buffer(ctx, sv.s, sv.length);
}
void sb_prepend_buffer(struct sb *ctx, const char *buffer, size_t length) {
if (length > ctx->capacity - ctx->length) {
ctx->capacity += length;
ctx->string = realloc(ctx->string, ctx->capacity);
}
memmove(ctx->string + length, ctx->string, ctx->length);
memcpy(ctx->string, buffer, length);
ctx->length += length;
}
void sb_append_buffer(struct sb *ctx, const char *buffer, size_t length) {
if (length > ctx->capacity - ctx->length) {
ctx->capacity += length;
ctx->string = realloc(ctx->string, ctx->capacity);
}
memcpy(ctx->string + ctx->length, buffer, length);
ctx->length += length;
}
void sb_append_sv(struct sb *ctx, struct sv sv) {
sb_append_buffer(ctx, sv.s, sv.length);
}
|
