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annotate nuklear_ui/font.c @ 1474:c5c022c7aa54 nuklear_ui

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Initial work on Nuklear-based UI
author Michael Pavone <pavone@retrodev.com>
date Tue, 21 Nov 2017 19:07:43 -0800
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children 4f6e8acd7b6a
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1474
c5c022c7aa54 Initial work on Nuklear-based UI
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3
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4 char *default_font_path(void)
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5 {
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6 FILE *fc_pipe = popen("fc-match -f '%{file}'", "r");
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7 if (!fc_pipe) {
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8 return NULL;
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9 }
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10 size_t buf_size = 128;
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11 char *buffer = NULL;
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12 size_t total = 0, read = 0;
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13 do {
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14 total += read;
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15 buf_size *= 2;
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16 buffer = realloc(buffer, buf_size);
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17 if (!buffer) {
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18 return NULL;
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19 }
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20 read = fread(buffer, 1, buf_size - total, fc_pipe);
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21 } while (read == (buf_size - total));
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22 total += read;
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23 buffer[total] = 0;
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24
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25 return buffer;
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26 }