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improved TextSubtext function to use memcpy

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This commit is contained in:
DissolveDZ 2023-09-30 18:29:45 +02:00
parent a5e8e064f8
commit 63cc7c671d
1 changed files with 6 additions and 15 deletions
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21
src/rtext.c
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@ -1430,27 +1430,18 @@ bool TextIsEqual(const char *text1, const char *text2)
// Get a piece of a text string // Get a piece of a text string
const char *TextSubtext(const char *text, int position, int length) const char *TextSubtext(const char *text, int position, int length)
{ {
static char buffer[MAX_TEXT_BUFFER_LENGTH] = { 0 }; if (!length)
memset(buffer, 0, MAX_TEXT_BUFFER_LENGTH); return "";
int textLength = TextLength(text); int textLength = TextLength(text);
if (position >= textLength) if (position >= textLength)
{ {
position = textLength - 1; position = textLength - 1;
length = 0; length = 0;
} }
if (length > textLength) length = textLength;
if (length >= textLength) length = textLength; char *buffer = malloc(length + 1);
memcpy(buffer, text + position, length);
for (int c = 0 ; c < length ; c++) buffer[length] = '\0';
{
*(buffer + c) = *(text + position);
text++;
}
*(buffer + length) = '\0';
return buffer; return buffer;
} }