Import sources from 2011-03-30 iso image

1 files changed, 44 insertions, 0 deletions

diff --git a/sys/src/ape/lib/ap/plan9/tmpfile.c b/sys/src/ape/lib/ap/plan9/tmpfile.c
new file mode 100755
index 000000000..c3ab5fd88
--- /dev/null
+++ b/sys/src/ape/lib/ap/plan9/tmpfile.c
@@ -0,0 +1,44 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include "sys9.h"
+#undef OPEN
+#include "../stdio/iolib.h"
+#include "lib.h"
+#include "dir.h"
+
+FILE *
+tmpfile(void){
+	FILE *f;
+	static char name[]="/tmp/tf0000000000000";
+	char *p;
+	int n;
+	for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++)
+		if(f->state==CLOSED)
+			break;
+	if(f==&_IO_stream[FOPEN_MAX])
+		return NULL;
+	while(access(name, 0) >= 0){
+		p = name+7;
+		while(*p == '9')
+			*p++ = '0';
+		if(*p == '\0')
+			return NULL;
+		++*p;
+	}
+	n = _CREATE(name, 64|2, 0777); /* remove-on-close */
+	if(n==-1){
+		_syserrno();
+		return NULL;
+	}
+	_fdinfo[n].flags = FD_ISOPEN;
+	_fdinfo[n].oflags = 2;
+	f->fd=n;
+	f->flags=0;
+	f->state=OPEN;
+	f->buf=0;
+	f->rp=0;
+	f->wp=0;
+	f->lp=0;
+	return f;
+}