fix man page for openreadclose

open/openreadclose.3

@@ -10,7 +10,8 @@ int \fBopenreadclose\fP(const char *\fIfilename\fR,
 openreadclose opens the file \fIfilename\fR for reading and reads the
 whole content into the stralloc \fIsa\fR.  The file is read in chunks of
 \fIbufsize\fR bytes size.  If everything worked fine, openreadclose
-returns 0.  A not existing file is treated as an empty file.  On error,
+returns 1.  If the file did not exist, openreadclose returns 0.  On
-openreadclose returns -1 and sets errno appropriately.
+every other error, openreadclose returns -1 and sets errno
+appropriately.
 .SH "SEE ALSO"
 open_read(3), readclose(3)

t.c

@@ -41,8 +41,13 @@ int64 writecb(int64 fd,const void* buf,uint64 n) {
 }
 
 int main(int argc,char* argv[]) {
+  char* c=fmt_strm_alloca("foo"," bar","\n");
+
+  write(1,c,strlen(c));
+
   (void)argc;
   (void)argv;
+
 #if 0
   io_batch* b=iob_new(1234);
   int64 fd=open("t.c",0);
@@ -350,8 +355,10 @@ int main(int argc,char* argv[]) {
     assert(imult64(0x3fffffffffffffffll,2,&c)==1 && c==0x7ffffffffffffffell);
   }
 #endif
+#if 0
   stralloc a;
   printf("%d\n",stralloc_copym(&a,"fnord",", ","foo"));
+#endif
 
   return 0;
 }