From: ol.sc
Date: Mon, 15 Oct 2012 18:52:40 +0000 (+0000)
Subject: Added enumdevdir showcasing the recently introduced device functions (together with...
X-Git-Tag: V2.14~223
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=170c59e4c22b0008f31f01f292deca0ecd7b160b;p=cc65
Added enumdevdir showcasing the recently introduced device functions (together with directory access).
git-svn-id: svn://svn.cc65.org/cc65/trunk@5851 b7a2c559-68d2-44c3-8de9-860c34a00d81
---
diff --git a/samples/Makefile b/samples/Makefile
index 4499586ce..046eb8fc9 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -48,7 +48,7 @@ MY_ASM = --forget-inc-paths -I . -I $(CA65_INC)
endif
# This one comes with VICE
-C1541 = c1541
+C1541 = c1541
# --------------------------------------------------------------------------
@@ -71,25 +71,26 @@ C1541 = c1541
# List of executables. This list could be made target dependent by checking
# $(SYS).
-EXELIST = ascii \
- diodemo \
- fire \
- gunzip65 \
- hello \
+EXELIST = ascii \
+ diodemo \
+ enumdevdir \
+ fire \
+ gunzip65 \
+ hello \
mandelbrot \
- mousedemo \
- multdemo \
- nachtm \
- ovrldemo \
- plasma \
- sieve \
- tgidemo
+ mousedemo \
+ multdemo \
+ nachtm \
+ ovrldemo \
+ plasma \
+ sieve \
+ tgidemo
# --------------------------------------------------------------------------
# Rules how to make each one of the binaries
.PHONY: all
-all: $(EXELIST)
+all: $(EXELIST)
ascii: ascii.o
@@ -152,7 +153,7 @@ endif
# with the VICE emulator.
.PHONY: disk
-disk: samples.d64
+disk: samples.d64
samples.d64: all
@$(C1541) -format samples,AA d64 $@ > /dev/null
diff --git a/samples/README b/samples/README
index 4310159d5..4d677fa1a 100644
--- a/samples/README
+++ b/samples/README
@@ -19,42 +19,49 @@ Please note:
List of supplied sample programs:
-----------------------------------------------------------------------------
-Name: ascii
+Name: ascii
Description: Shows the ASCII (or ATASCII, PETSCII) codes of typed
characters. Written and contributed by Greg King
.
-Platforms: All platforms with conio or stdio (compile time configurable).
+Platforms: All platforms with conio or stdio (compile time configurable).
-----------------------------------------------------------------------------
-Name: diodemo
+Name: diodemo
Description: A disc copy program written and contributed by Oliver
Schmidt, . Supports single or dual disc copy.
-Platforms: The program does depend on conio and dio (direct disk i/o),
+Platforms: The program does depend on conio and dio (direct disk i/o),
so it does currently compile for the Atari and Apple ][
machines.
-----------------------------------------------------------------------------
-Name: fire
+Name: enumdevdir
+Description: Enumerates all devices, directories and files. Written and
+ contributed by Oliver Schmidt, .
+Platforms: All systems with device enumeration and directory access
+ (currently the C64, the C128 and the Apple ][).
+
+-----------------------------------------------------------------------------
+Name: fire
Description: Another graphics demo written by groepaz/hitmen.
-Platforms: The program is currently only running on the C64, but should
+Platforms: The program is currently only running on the C64, but should
be portable to the C128 and CBM510 (and maybe more machines).
-----------------------------------------------------------------------------
-Name: gunzip65
+Name: gunzip65
Description: A gunzip utility for 6502 based machines written by Piotr
Fusik .
-Platforms: Runs on all platforms with file I/O (currently the Atari, the
+Platforms: Runs on all platforms with file I/O (currently the Atari, the
Apple ][ and most Commodore machines).
-----------------------------------------------------------------------------
-Name: hello
+Name: hello
Description: A nice "Hello world" type program that uses the conio
console I/O library for output.
Platforms: Runs on all platforms that support conio, which means:
Apple ][, Atari, C16, C64, C128, CBM510, CBM610, PET, Plus/4
-----------------------------------------------------------------------------
-Name: mandelbrot
+Name: mandelbrot
Description: A mandelbrot demo using integer arithmetic. The demo was
written by groepaz/hitmen and converted to cc65 using TGI
graphics by Stephan Haubenthal.
@@ -62,43 +69,43 @@ Platforms: Runs on all platforms that have TGI support:
Apple ][, C64, C128, Oric Atmos, Geos and Lynx.
-----------------------------------------------------------------------------
-Name: mousedemo
+Name: mousedemo
Description: Shows how to use the mouse.
-Platforms: All systems with mouse and conio support:
+Platforms: All systems with mouse and conio support:
C64, C128, CBM510, Atari, Apple ][
-----------------------------------------------------------------------------
-Name: multidemo
+Name: multidemo
Description: Shows how to combine multiple cc65 features incl. overlays
and extended memory drivers. Written and contributed by
Oliver Schmidt, .
-Platforms: All systems with an overlay linker config, disk directory
+Platforms: All systems with an overlay linker config, disk directory
access and EMD support (currently the C64, the C128,
the Atari and the Apple ][).
-----------------------------------------------------------------------------
-Name: nachtm
+Name: nachtm
Description: Plays "Eine kleine Nachtmusik" by Wolfgang Amadeus Mozart
Platforms: All systems that have the Commodore SID (Sound Interface
Device):
C64, C128, CBM510, CBM610
-----------------------------------------------------------------------------
-Name: overlaydemo
+Name: overlaydemo
Description: Shows how to load overlay files from disk. Written and
contributed by Oliver Schmidt, .
-Platforms: All systems with an overlay linker config (currently the C64,
+Platforms: All systems with an overlay linker config (currently the C64,
the C128, the Atari and the Apple ][).
-----------------------------------------------------------------------------
-Name: plasma
+Name: plasma
Description: A fancy graphics demo written by groepaz/hitmen.
-Platforms: The program needs a VIC, or a TED, so it runs on the following
+Platforms: The program needs a VIC, or a TED, so it runs on the following
systems:
C64, C128, CBM510, Plus/4
-----------------------------------------------------------------------------
-Name: sieve
+Name: sieve
Description: Implements the "Sieve of Eratosthenes" as a way to find all
prime numbers in a specific number interval. Often used as
a benchmark program.
@@ -107,9 +114,8 @@ Platforms: All systems with conio and clock support:
Apple ][ (without timing due to missing clock support)
-----------------------------------------------------------------------------
-Name: tgidemo
+Name: tgidemo
Description: Shows some of the graphics capabilities of the "tiny graphics
interface".
Platforms: Runs on all platforms that have TGI support:
Apple ][, C64, C128, Oric Atmos, Geos and Lynx.
-
diff --git a/samples/enumdevdir.c b/samples/enumdevdir.c
new file mode 100644
index 000000000..5969c2339
--- /dev/null
+++ b/samples/enumdevdir.c
@@ -0,0 +1,101 @@
+/*
+ * Enumerate devices, directories and files.
+ *
+ * 2012-10-15, Oliver Schmidt (ol.sc@web.de)
+ *
+ */
+
+
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+
+void printdir (char *newdir)
+{
+ char olddir[FILENAME_MAX];
+ char curdir[FILENAME_MAX];
+ DIR *dir;
+ struct dirent *ent;
+ char *subdirs = NULL;
+ unsigned dirnum = 0;
+ unsigned num;
+
+ getcwd (olddir, sizeof (olddir));
+ if (chdir (newdir)) {
+
+ /* If chdir() fails we just print the
+ * directory name - as done for files.
+ */
+ printf (" Dir %s\n", newdir);
+ return;
+ }
+
+ /* We call getcwd() in order to print the
+ * absolute pathname for a subdirectory.
+ */
+ getcwd (curdir, sizeof (curdir));
+ printf (" Dir %s:\n", curdir);
+
+ /* Calling opendir() always with "." avoids
+ * fiddling around with pathname separators.
+ */
+ dir = opendir (".");
+ while (ent = readdir (dir)) {
+
+ if (_DE_ISREG (ent->d_type)) {
+ printf (" File %s\n", ent->d_name);
+ continue;
+ }
+
+ /* We defer handling of subdirectories until we're done with the
+ * current one as several targets don't support other disk i/o
+ * while reading a directory (see cc65 readdir() doc for more).
+ */
+ if (_DE_ISDIR (ent->d_type)) {
+ subdirs = realloc (subdirs, FILENAME_MAX * (dirnum + 1));
+ strcpy (subdirs + FILENAME_MAX * dirnum++, ent->d_name);
+ }
+ }
+ closedir (dir);
+
+ for (num = 0; num < dirnum; ++num) {
+ printdir (subdirs + FILENAME_MAX * num);
+ }
+ free (subdirs);
+
+ chdir (olddir);
+}
+
+
+void main (void)
+{
+ unsigned char device;
+ char devicedir[FILENAME_MAX];
+
+ /* Calling getfirstdevice()/getnextdevice() does _not_ turn on the motor
+ * of a drive-type device and does _not_ check for a disk in the drive.
+ */
+ device = getfirstdevice ();
+ while (device != INVALID_DEVICE) {
+ printf ("Device %d:\n", device);
+
+ /* Calling getdevicedir() _does_ check for a (formatted) disk in a
+ * floppy-disk-type device and returns NULL if that check fails.
+ */
+ if (getdevicedir (device, devicedir, sizeof (devicedir))) {
+ printdir (devicedir);
+ } else {
+ printf (" N/A\n");
+ }
+
+ device = getnextdevice (device);
+ }
+
+ cgetc ();
+}