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guix/gnu/packages/patches/ecl-16-ignore-stderr-write-...

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Patch adapted from Sage.
diff -Naur ecl-16.1.2.orig/src/c/file.d ecl-16.1.2/src/c/file.d
--- ecl-16.1.2.orig/src/c/file.d 2016-05-11 13:10:51.867673867 +1200
+++ ecl-16.1.2/src/c/file.d 2016-05-11 14:44:48.121907307 +1200
@@ -3354,8 +3354,10 @@
ecl_disable_interrupts();
do {
out = fwrite(c, sizeof(char), n, IO_STREAM_FILE(strm));
- } while (out < n && restartable_io_error(strm, "fwrite"));
- ecl_enable_interrupts();
+ /* Ignore write errors to stderr to avoid an infinite loop */
+ } while (out < n && (IO_STREAM_FILE(strm) != stderr) && restartable_io_error(strm, "fwrite"));
+
+ ecl_enable_interrupts();
return out;
}