Improvements from @ledvinap.
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@ -358,13 +358,14 @@ static void cmsPadToSize(char *buf, int size)
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static int cmsDisplayWrite(displayPort_t *instance, uint8_t x, uint8_t y, uint8_t attr, const char *s)
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{
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char buffer[40];
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unsigned index = 0;
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for (; index < strlen(s); index++) {
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buffer[index] = toupper(s[index]); // uppercase only
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buffer[index] = (buffer[index] < 0x20 || buffer[index] > 0x5F) ? ' ' : buffer[index]; // limit to alphanumeric and punctuation
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char buffer[strlen(s) + 1];
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char* b = buffer;
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while (*s) {
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char c = toupper(*s++);
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*b++ = (c < 0x20 || c > 0x5F) ? ' ' : c; // limit to alphanumeric and punctuation
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}
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buffer[index] = 0;
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*b++ = '\0';
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return displayWrite(instance, x, y, attr, buffer);
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}
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