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change alloca to static buffer to avoid spurious exception handling error

This commit is contained in:
Adam D. Ruppe 2019-02-11 20:34:17 -05:00
parent 13f3709acb
commit ece8c2002e
1 changed files with 4 additions and 3 deletions
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7
jpeg.d
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@ -2971,9 +2971,10 @@ public bool detect_jpeg_image_from_file (const(char)[] filename, out int width,
bool m_eof_flag, m_error_flag;
if (filename.length == 0) throw new Exception("cannot open unnamed file");
if (filename.length < 2048) {
import core.stdc.stdlib : alloca;
auto tfn = (cast(char*)alloca(filename.length+1))[0..filename.length+1];
if (filename.length < 512) {
char[513] buffer;
//import core.stdc.stdlib : alloca;
auto tfn = buffer[0 .. filename.length + 1]; // (cast(char*)alloca(filename.length+1))[0..filename.length+1];
tfn[0..filename.length] = filename[];
tfn[filename.length] = 0;
m_pFile = fopen(tfn.ptr, "rb");