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comparison wedding/main.c @ 12:de54585a40f1

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Adding bun and node modules.
author June Park <parkjune1995@gmail.com>
date Thu, 02 Oct 2025 14:39:48 -0700
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11:f33d9ff8b6e8 12:de54585a40f1
1 #include "dowa/dowa.h"
2
3
4 size_t Dowa_File_ReadLine(FILE *restrict stream, char *buffer, size_t buffer_size)
5 {
6 char c;
7 size_t res = 0;
8 while ((c = getc(stream)) != EOF && c != '\n')
9 {
10 if (res + 1 > buffer_size)
11 break;
12 buffer[res++] = c;
13 }
14 buffer[res] = '\0';
15 return res;
16 }
17
18
19 int main(void)
20 {
21 char c;
22 char *comma, *curr;
23 char **keys;
24 FILE *f = fopen("wedding/invities.csv", "rb");
25 if (!f)
26 perror("fopen\n");
27
28 char *line = malloc(128);
29
30 Dowa_PArena p_csv_area = Dowa_Arena_Create(4048);
31 keys = Dowa_Arena_Allocate(p_csv_area, sizeof(char*) * 10);
32
33 while (Dowa_File_ReadLine(f, line, 128) > 0)
34 {
35 curr = line;
36 int pos = 0 ;
37
38 while (1)
39 {
40 comma = memchr(curr, ',', strlen(curr));
41 if (!comma)
42 break;
43 size_t diff = comma - curr;
44 keys[pos] = Dowa_Arena_Allocate(p_csv_area, diff+1);
45 memcpy(keys[pos], curr, diff);
46 curr = comma+1;
47 pos += 1;
48 }
49
50 int last = strlen(curr);
51 keys[pos] = Dowa_Arena_Allocate(p_csv_area, last);
52 memcpy(keys[pos], curr, last);
53
54 for (pos = 0; pos < 10; pos++)
55 {
56 if (!keys[pos])
57 break;
58 printf("%s, ", keys[pos]);
59 }
60 printf("\n\n");
61 }
62
63 return 0;
64 }