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annotate dep/utf8proc/test/tests.c @ 351:c844f8bb87ce

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gui/theme: add xsettings backend this also adds newly-necessary endianness methods in core/endian.h which just so happen to be constexpr as well
author Paper <paper@paper.us.eu.org>
date Sun, 14 Jul 2024 23:23:56 -0400
parents 1faa72660932
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Common functions for our test programs. */
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2
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3 #include "tests.h"
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4
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5 size_t lineno = 0;
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6
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7 void check(int cond, const char *format, ...)
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8 {
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9 if (!cond) {
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10 va_list args;
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11 fprintf(stderr, "line %zd: ", lineno);
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12 va_start(args, format);
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13 vfprintf(stderr, format, args);
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14 va_end(args);
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15 fprintf(stderr, "\n");
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16 exit(1);
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17 }
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18 }
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19
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20 size_t skipspaces(const unsigned char *buf, size_t i)
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21 {
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22 while (isspace(buf[i])) ++i;
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23 return i;
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24 }
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25
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26 /* if buf points to a sequence of codepoints encoded as hexadecimal strings,
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27 separated by whitespace, and terminated by any character not in
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28 [0-9a-fA-F] or whitespace, then stores the corresponding utf8 string
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29 in dest, returning the number of bytes read from buf */
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30 size_t encode(unsigned char *dest, const unsigned char *buf)
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31 {
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32 size_t i = 0, j;
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33 utf8proc_ssize_t d = 0;
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34 for (;;) {
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35 int c;
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36 i = skipspaces(buf, i);
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37 for (j=i; buf[j] && strchr("0123456789abcdef", tolower(buf[j])); ++j)
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38 ; /* find end of hex input */
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39 if (j == i) { /* no codepoint found */
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40 dest[d] = 0; /* NUL-terminate destination string */
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41 return i + 1;
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42 }
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43 check(sscanf((char *) (buf + i), "%x", (unsigned int *)&c) == 1, "invalid hex input %s", buf+i);
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44 i = j; /* skip to char after hex input */
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45 d += utf8proc_encode_char(c, (utf8proc_uint8_t *) (dest + d));
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46 }
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47 }
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48
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49 /* simplistic, portable replacement for getline, sufficient for our tests */
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50 size_t simple_getline(unsigned char buf[8192], FILE *f) {
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51 size_t i = 0;
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52 while (i < 8191) {
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53 int c = getc(f);
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54 if (c == EOF || c == '\n') break;
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55 buf[i++] = (unsigned char) c;
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56 }
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57 buf[i] = 0;
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58 return i;
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59 }