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[text] TextFormat() caching

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brankoku 2019-11-12 15:16:58 -05:00 committed by GitHub
parent 74642ba1c6
commit 1e1e60f6d2
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1 changed files with 9 additions and 1 deletions
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10
src/text.c
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@ -1102,9 +1102,16 @@ unsigned int TextLength(const char *text)
}
// Formatting of text with variables to 'embed'
// WARNING: the string returned will expire after this function is called MAX_TEXT_BUFFERS times
const char *TextFormat(const char *text, ...)
{
static char buffer[MAX_TEXT_BUFFER_LENGTH] = { 0 };
#define MAX_TEXT_BUFFERS 8
// We create an array of buffers so strings don't expire until MAX_TEXT_BUFFERS invocations
static char cache[MAX_TEXT_BUFFERS][MAX_TEXT_BUFFER_LENGTH] = { 0 };
static int index = 0;
char *buffer = cache[index];
index += 1;
index %= MAX_TEXT_BUFFERS;
va_list args;
va_start(args, text);
@ -1112,6 +1119,7 @@ const char *TextFormat(const char *text, ...)
va_end(args);
return buffer;
#undef MAX_TEXT_BUFFERS
}
// Get a piece of a text string