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comparison dep/utf8proc/test/tests.c @ 343:1faa72660932

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*: transfer back to cmake from autotools autotools just made lots of things more complicated than they should have and many things broke (i.e. translations)
author Paper <paper@paper.us.eu.org>
date Thu, 20 Jun 2024 05:56:06 -0400
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342:adb79bdde329 343:1faa72660932
1 /* Common functions for our test programs. */
2
3 #include "tests.h"
4
5 size_t lineno = 0;
6
7 void check(int cond, const char *format, ...)
8 {
9 if (!cond) {
10 va_list args;
11 fprintf(stderr, "line %zd: ", lineno);
12 va_start(args, format);
13 vfprintf(stderr, format, args);
14 va_end(args);
15 fprintf(stderr, "\n");
16 exit(1);
17 }
18 }
19
20 size_t skipspaces(const unsigned char *buf, size_t i)
21 {
22 while (isspace(buf[i])) ++i;
23 return i;
24 }
25
26 /* if buf points to a sequence of codepoints encoded as hexadecimal strings,
27 separated by whitespace, and terminated by any character not in
28 [0-9a-fA-F] or whitespace, then stores the corresponding utf8 string
29 in dest, returning the number of bytes read from buf */
30 size_t encode(unsigned char *dest, const unsigned char *buf)
31 {
32 size_t i = 0, j;
33 utf8proc_ssize_t d = 0;
34 for (;;) {
35 int c;
36 i = skipspaces(buf, i);
37 for (j=i; buf[j] && strchr("0123456789abcdef", tolower(buf[j])); ++j)
38 ; /* find end of hex input */
39 if (j == i) { /* no codepoint found */
40 dest[d] = 0; /* NUL-terminate destination string */
41 return i + 1;
42 }
43 check(sscanf((char *) (buf + i), "%x", (unsigned int *)&c) == 1, "invalid hex input %s", buf+i);
44 i = j; /* skip to char after hex input */
45 d += utf8proc_encode_char(c, (utf8proc_uint8_t *) (dest + d));
46 }
47 }
48
49 /* simplistic, portable replacement for getline, sufficient for our tests */
50 size_t simple_getline(unsigned char buf[8192], FILE *f) {
51 size_t i = 0;
52 while (i < 8191) {
53 int c = getc(f);
54 if (c == EOF || c == '\n') break;
55 buf[i++] = (unsigned char) c;
56 }
57 buf[i] = 0;
58 return i;
59 }