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jsfw
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fix hex color parsing bug

This commit is contained in:
viandoxdev 2023-02-12 14:17:23 +01:00
parent 749c8f6c01
commit a4b69eb0a1
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GPG Key ID: AF1410C5BC10AA25
2 changed files with 10 additions and 10 deletions
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4
.gitignore vendored
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@ -1,3 +1,7 @@
.ccls-cache
objects
jsfw
# configs used for testings
client_config.json
server_config.json

16
util.c
View File

@ -149,22 +149,18 @@ void tsf_hex_to_color(void *arg, void *ptr) {
return;
}
uint8_t digit[6] = {0};
uint8_t *color = ptr;
for (int i = 1; i < 7; i++) {
digit[i] = hex_digit(s[i]);
if (digit[i] == 16) {
printf("JSON: illegal character in hex color: '%c'\n", s[i]);
for (int i = 0; i < 3; i++) {
uint8_t digits[2] = {hex_digit(s[1 + 2 * i]), hex_digit(s[2 + 2 * i])};
if (digits[0] == 16 || digits[1] == 16) {
printf("JSON: illegal character in hex color: '%.7s'\n", s);
free(s);
return;
}
if (i % 2 == 0) {
uint8_t c = digit[i];
uint8_t p = digit[i - 1];
color[i / 2] = (p << 4) | c;
}
color[i] = (digits[0] << 4) | digits[1];
}
free(s);