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