added:

path expansion
	file copying
	GS/OS error printing (unused)

lib/libcontrib/Makefile

@@ -1,19 +1,19 @@
 #
 # This is the top-level makefile for libcontrib, GNO v2.0.6
 #
-# $Id: Makefile,v 1.1 1997/10/03 04:49:40 gdr Exp $
+# $Id: Makefile,v 1.2 1997/10/30 04:57:24 gdr Exp $
 #
 
 .INCLUDE: ../../paths.mk
 .INCLUDE: ../const.mk                          
 
 LIB	= libcontrib
-OBJS	= strarray.o xalloc.o
+OBJS	= copyfile.o expandpath.o strarray.o xalloc.o
 HEADER	= contrib.h
 LIBDIR	= $(RELEASE_DIR)/usr/lib
 INCDIR	= $(RELEASE_DIR)/usr/include/gno
 
-CFLAGS	+= -I. -O78
+CFLAGS	+= -I. -O78 -Slibcontrib
 
 $(LIB): $(OBJS) $(LIB).r
 	$(RM) -f $@

lib/libcontrib/contrib.h

@@ -1,9 +1,13 @@
 /*
- * $Id: contrib.h,v 1.1 1997/10/03 04:49:40 gdr Exp $
+ * $Id: contrib.h,v 1.2 1997/10/30 04:57:24 gdr Exp $
  */
 
-#ifndef _CONTRIB_H_
+#ifndef _GNO_CONTRIB_H_
-#define _CONTRIB_H_
+#define _GNO_CONTRIB_H_
+
+#ifndef __TYPES__
+#include <types.h>
+#endif
 
 #ifndef _SYS_TYPES_H_
 #include <sys/types.h>
@@ -34,7 +38,30 @@ typedef struct LC_StringArrayElem_t {
 LC_StringArray_t	LC_StringArrayNew __P((void));
 void			LC_StringArrayAdd __P((LC_StringArray_t, char *));
 void			LC_StringArrayDelete __P((LC_StringArray_t, char *));
+void			LC_StringArrayDestroy __P((LC_StringArray_t));
 void			LC_StringArrayClear __P((LC_StringArray_t));
 char *			LC_StringArrayCat __P((LC_StringArray_t, int));
 
-#endif	/* _CONTRIB_H_ */
+/*
+ * File copy operations
+ */
+
+#define LC_COPY_DATA	0x0001	/* copy the data fork? */
+#define LC_COPY_REZ	0x0002	/* copy the resource fork? */
+#define LC_COPY_KEEPBUF	0x0004	/* keep the internally allocated buffer? */
+#define LC_COPY_BACKUP	0x0008	/* set the backup bit? */
+
+#define LC_COPY_FORKS_MASK	0x0003
+
+GSStringPtr	LC_CopyFileGS __P((GSStringPtr from, GSStringPtr to,
+				   unsigned short flags));
+char *		LC_CopyFile __P((const char *, const char *, unsigned short));
+
+/*
+ * Filename expansion
+ */
+
+GSStringPtr	LC_ExpandPathGS __P((GSStringPtr path));
+char *		LC_ExpandPath __P((char *path));
+
+#endif	/* _GNO_CONTRIB_H_ */

lib/libcontrib/copyfile.c

@@ -0,0 +1,437 @@
+/*
+ * $Id: copyfile.c,v 1.1 1997/10/30 04:57:25 gdr Exp $
+ */
+
+/* Change the arg types of GS/OS parameter blocks. Must be before #includes */
+#define __USE_DYNAMIC_GSSTRING__
+
+#include <types.h>	/* for _toolErr, among others */
+#include <errno.h>
+#include <gsos.h>
+#include <orca.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <gno/gno.h>
+
+#define NDEBUG
+#include <assert.h>
+
+#include "contrib.h"
+
+#ifndef MAX
+#define MAX(a,b) (((a)>(b)) ? (a) : (b))
+#endif
+
+#if 1
+#define DEBUG(a)
+#else
+#include <stdio.h>
+#define DEBUG(a) printf a
+#endif
+
+/*
+ * copyfile
+ *
+ * copy a file from the pathname <from> to the location <to>, which
+ * may be a directory.  Ensure that file types and other information
+ * (except for the backup bit) is matched.
+ *
+ * Returns NULL and sets errno on failure.  On success, returns a
+ * pointer to an internal buffer containing the final pathname.
+ *
+ * Possible errnos:
+ *	EINVAL		Neither the LC_COPY_DATA nor the LC_COPY_REZ
+ *			flags were set.
+ *
+ *	ENOMEM		Ran out of memory.
+ *
+ *	ENOENT		A request was made to copy only the resource
+ *			fork, but the file does not have a resource fork.
+ *
+ *	(any errno returned from ExpandPathGS, GetFileInfoGS, DestroyGS,
+ *	 CreateGS, OpenGS, CloseGS, SetFileInfoGS)
+ *
+ * +++ THIS ROUTINE IS NOT REENTRANT +++
+ */
+
+#define NAMELEN_QUANTUM	256
+
+GSStringPtr
+LC_CopyFileGS (GSStringPtr from, GSStringPtr to, unsigned short flags)
+{
+	static ResultBufPtr	expandedFrom = NULL;
+	static size_t		expandedFromLen = 0;
+	static ResultBufPtr	expandedTo = NULL;
+	static size_t		expandedToLen = 0;
+	static char *		buffer = NULL;
+	static size_t		bufferLen = 0;
+	static ExpandPathRecGS	expandrec;
+	static FileInfoRecGS	inforec;
+	static OpenRecGS	openrec;
+ 	static struct {
+		Word pCount;
+		Word refNum;
+		Longword dataBuffer;
+ 		Longword requestCount;
+		Longword transferCount;
+		Word cachePriority;
+	} iobuf;
+	static struct {
+		Word pCount;
+		Word refNum;
+	} closerec;
+                
+	ResultBufPtr	rbp;
+	GSStringPtr	gsp;
+	size_t		newlen;
+	int		done, i, j, k, isDir, exists;
+	char		*p, *q;
+	Word		refNumIn, refNumOut, oldAccess;
+
+	/* concheck */
+	if ((flags & (LC_COPY_DATA | LC_COPY_REZ)) == 0) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	/*
+	 * First time through?  We have to allocate our buffer.  Try
+	 * 64k to start, then keep dividing by 2 until we can allocate
+	 * one successfully.  Don't bother with anything less that 1k,
+	 * just return an error.
+	 */
+	if (buffer == NULL) {
+		newlen = 128;	/* we'll divide this at least once */
+		do {
+			newlen /= 2;
+			if (newlen <= 1) {
+				errno = ENOMEM;
+				return NULL;
+			}
+			buffer = malloc(newlen * 1024);
+		} while (buffer == NULL);
+		bufferLen = newlen * 1024;
+
+		/* do some other initializations */
+		expandrec.pCount = 3;
+	}
+	
+	/*
+	 * Initialize the name result buffers, growing them if necessary.
+	 */
+	for (i=0; i<2; i++) {
+		switch (i) {
+		case 0:
+			gsp = from;
+			rbp = expandedFrom;
+			newlen = expandedFromLen;
+			break;
+		case 1:
+			gsp = to;
+			rbp = expandedTo;
+			newlen = expandedToLen;
+			break;
+		}
+		done = 0;
+
+		if (newlen < gsp->length) {
+			while (newlen < gsp->length) {
+				newlen += NAMELEN_QUANTUM;
+			}
+			rbp = GOchange(rbp, newlen, NULL);
+			if (rbp == NULL) {
+				return NULL;
+			}
+		}
+		while (!done) {
+			expandrec.inputPath = gsp;
+			expandrec.outputPath = rbp;
+			expandrec.flags = 0x0000;
+			ExpandPathGS(&expandrec);
+			switch ((j = _toolErr)) {
+			case 0:
+				/* NULL-terminate it */
+				(rbp->bufString.text)[rbp->bufString.length]
+					= '\0';
+				done = 1;
+				break;
+			case buffTooSmall:
+				newlen += NAMELEN_QUANTUM;
+				rbp = GOchange(rbp, newlen, NULL);
+				if (rbp == NULL) {
+					done = 1;
+					newlen -= NAMELEN_QUANTUM;
+					errno = ENOMEM;
+					/*
+					 * we delay the return until after
+					 * the next switch statement so that
+					 * we can reset the static variables.
+					 */
+				}
+				break;
+			default:
+				errno = _mapErr(j);
+				return NULL;
+			}
+		}
+		switch(i) {
+		case 0:
+			expandedFrom = rbp;
+			expandedFromLen = newlen;
+			break;
+		case 1:
+			expandedTo = rbp;
+			expandedToLen = newlen;
+			break;
+		}
+		if (rbp == NULL) {
+			return NULL;
+		}
+	}
+
+	/* find out if <to> is a directory */
+	inforec.pCount = 5;
+	inforec.pathname = &(expandedTo->bufString);
+	GetFileInfoGS(&inforec);
+	i = _toolErr;
+	switch(i) {
+	case 0:
+		exists = 1;
+		isDir = ((inforec.storageType == 0x0D) ||
+			 (inforec.storageType == 0x0F)) ? 1 : 0;
+		break;
+	case fileNotFound:
+		exists = 0;
+		isDir = 0;
+		break;
+	default:
+		errno = _mapErr(i);
+		return NULL;
+	}
+
+	/* it's a directory? tack on the file name */
+	if (isDir) {
+		/* we know that the text field is null-terminated */
+		p = expandedFrom->bufString.text +
+			expandedFrom->bufString.length;
+		if (p != expandedFrom->bufString.text) {
+			--p;
+		}
+		/* p now points to the last legal char in the input name */
+		i = 0;
+		assert(*p != ':');
+		q = expandedFrom->bufString.text;
+		while ((p > q) && (*p != ':')) {
+			--p;
+			i++;
+		}
+		if (*p == ':') {
+			p++;
+		}
+		/*
+		 * p now points to the basename of expandedFrom and
+		 * i is the length of that basename
+		 */
+
+		/* grow the resultbuf if necessary */
+		if (expandedTo->bufString.length + i + 1 >
+		    expandedTo->bufSize) {
+			rbp = GOchange(expandedTo, expandedTo->bufString.length
+				+ 1 + MAX(i, NAMELEN_QUANTUM), NULL);
+			if (rbp == NULL) {
+				errno = ENOMEM;
+				return NULL;
+			}
+			expandedTo = rbp;
+		}
+
+		/* copy the basename over */
+		q = expandedTo->bufString.text + expandedTo->bufString.length;
+		*q++ = ':';
+		memcpy(q, p, i+1);			/* one for the term */
+		expandedTo->bufString.length += i + 1;	/* one for the ':' */
+        }
+
+	/* check to see it's not the same file */
+	if (!strcmp(expandedFrom->bufString.text, expandedTo->bufString.text)) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	/* get the file info of the original file */
+	inforec.pCount = 7;
+	inforec.pathname = &(expandedFrom->bufString);
+	GetFileInfoGS(&inforec);
+	if ((i = _toolErr) != 0) {
+		errno = _mapErr(i);
+		return NULL;
+	}
+        oldAccess = inforec.access;
+        
+	if (((flags & LC_COPY_FORKS_MASK) == LC_COPY_REZ) &&
+	    (inforec.storageType == extendedFile)) {
+		errno = ENOENT;
+		return NULL;
+	}
+
+	/* destroy the old target file if it exists and is not a directory */
+	inforec.pCount = 1;
+	inforec.pathname = &(expandedTo->bufString);
+	DestroyGS(&inforec);
+	i = _toolErr;
+	switch(i) {
+	case 0:
+	case fileNotFound:
+		break;
+	default:
+		errno = _mapErr(i);
+		return NULL;
+	}
+
+DEBUG(("creating %s\n", expandedTo->bufString.text));
+	/* create the new file */
+	inforec.pCount = 5;
+	inforec.pathname = &(expandedTo->bufString);
+	inforec.access = 0x00c3;
+	CreateGS(&inforec);
+	if ((i = _toolErr) != 0) {
+		errno = _mapErr(i);
+		return NULL;
+	}
+
+DEBUG(("copying file\n"));
+	/* copy both forks, if necessary */
+	for (i=0; i<2; i++) {
+
+		switch (i) {
+		case 0:
+			if ((flags & LC_COPY_DATA) == 0) {
+				continue;
+			}
+			openrec.resourceNumber = 0x0000;
+			break;
+		case 1:
+			if ((inforec.storageType != extendedFile) ||
+			    ((flags & LC_COPY_REZ) == 0)) {
+				continue;
+			}
+			openrec.resourceNumber = 0x0001;
+			break;
+		}
+
+		/* open the input file */
+		openrec.pCount = 4;
+		openrec.pathname = &(expandedFrom->bufString);
+		openrec.requestAccess = readEnable;
+		OpenGS(&openrec);
+		if ((j = _toolErr) != 0) {
+			errno = _mapErr(j);
+			return NULL;
+		}
+		refNumIn = openrec.refNum;
+
+		/* open the output file */
+		openrec.pathname = &(expandedTo->bufString);
+		openrec.requestAccess = writeEnable;
+		OpenGS(&openrec);
+		if ((j = _toolErr) != 0) {
+			closerec.pCount = 1;
+			closerec.refNum = refNumIn;
+			CloseGS(&closerec);
+			errno = _mapErr(j);
+			return NULL;
+		}
+		refNumOut = openrec.refNum;
+
+		/* transfer the data */
+		done = 0;
+		iobuf.pCount = 5;
+		iobuf.dataBuffer = (Longword) buffer;
+		iobuf.cachePriority = cacheOn;
+		while (!done) {
+
+			iobuf.refNum = refNumIn;
+			iobuf.requestCount = bufferLen;
+			ReadGS(&iobuf);
+			k = _toolErr;
+			switch (k) {
+			case 0:
+				break;
+			case eofEncountered:
+				k = 0;		/* no error condition */
+				done = 1;
+				break;
+			default:
+				/* leave k set as the error condition */
+				done = 1;
+				continue;
+			}
+
+			iobuf.refNum = refNumOut;
+			iobuf.requestCount = iobuf.transferCount;
+			WriteGS(&iobuf);
+			if ((k = _toolErr) != 0) {
+				/* leave k set as the error condition */
+				done = 1;
+			}
+		}     /* end loop over buffering */
+
+		closerec.pCount = 1;
+		closerec.refNum = refNumIn;
+		CloseGS(&closerec);
+		closerec.refNum = refNumOut;
+		CloseGS(&closerec);
+		if (k != 0) {
+			/* ending I/O before EOF is encountered? */
+			errno = _mapErr(k);
+			return NULL;
+		}
+	}	/* end loop over forks */
+
+DEBUG(("setting file info\n"));
+
+	/* set file information to match original file */
+	inforec.pCount = 7;
+	inforec.pathname = &(expandedTo->bufString);
+	inforec.access = oldAccess;
+	SetFileInfoGS(&inforec);
+	if ((i = _toolErr) != 0) {
+		errno = _mapErr(i);
+		return NULL;
+	}
+
+	return &(expandedTo->bufString);
+}
+
+char *
+LC_CopyFile (char *from, char *to, unsigned short flags)
+{
+	GSStringPtr fromGS, toGS, result;
+	int e;
+
+	if ((fromGS = __C2GSMALLOC(from)) == NULL) {
+		return NULL;
+	}
+	if ((toGS = __C2GSMALLOC(to)) == NULL) {
+		e = errno;
+		GIfree(fromGS);
+		errno = e;
+		return NULL;
+	}
+	result = LC_CopyFileGS (fromGS, toGS, flags);
+	e = errno;
+	GIfree(fromGS);
+	GIfree(toGS);
+	errno = e;
+#if 1
+	/* get around a bug in ORCA/C v2.1.0 (reported) */
+	if (result == NULL) {
+		return NULL;
+	} else {
+		return result->text;
+	}
+#else
+	return (result == NULL) ? NULL : result->text;
+#endif
+}

lib/libcontrib/errnoGS.c

@@ -0,0 +1,128 @@
+/*
+ * $Id: errnoGS.c,v 1.1 1997/10/30 04:57:25 gdr Exp $
+ */
+
+#include <gsos.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include "contrib.h"
+
+#pragma lint -1
+#pragma debug 0
+#pragma optimize 78
+
+#define NONE    "no error"
+#define UNKNOWN "unknown error"
+
+#ifdef __ORCAC__
+segment "errnoGS___";
+#endif
+
+typedef struct errEntry {
+	unsigned short num;
+	char *str;
+} errEntry;
+
+static errEntry
+sys_errlistGS[] = {
+	{ badSystemCall,    "bad system call number" },
+	{ invalidPcount,    "invalid parameter count" },
+	{ gsosActive,       "GS/OS already active" },
+	{ devNotFound,      "device not found" },
+	{ invalidDevNum,    "invalid device number" },
+	{ drvrBadReq,       "bad request or command" },
+	{ drvrBadCode,      "bad control or status code" },
+	{ drvrBadParm,      "bad call parameter" },
+	{ drvrNotOpen,      "character device not open" },
+	{ drvrPriorOpen,    "character device already open" },
+	{ irqTableFull,     "interrupt table full" },
+	{ drvrNoResrc,      "resources not available" },
+	{ drvrIOError,      "I/O error" },
+	{ drvrNoDevice,     "device not connected" },
+	{ drvrBusy,         "call aborted; driver is busy" },
+	{ drvrWrtProt,      "device is write protected" },
+	{ drvrBadCount,     "invalid byte count" },
+	{ drvrBadBlock,     "invalid block address" },
+	{ drvrDiskSwitch,   "disk has been switched" },
+	{ drvrOffLine,      "device off line/ no media present" },
+	{ badPathSyntax,    "invalid pathname syntax" },
+	{ tooManyFilesOpen, "too many files open on server volume" },
+	{ invalidRefNum,    "invalid reference number" },
+	{ pathNotFound,     "subdirectory does not exist" },
+	{ volNotFound,      "volume not found" },
+	{ fileNotFound,     "file not found" },
+	{ dupPathname,      "create or rename with existing name" },
+	{ volumeFull,       "volume full error" },
+	{ volDirFull,       "volume directory full" },
+	{ badFileFormat,    "version error (incompatible file format)" },
+	{ badStoreType,     "unsupported (or incorrect) storage type" },
+	{ eofEncountered,   "end-of-file encountered" },
+	{ outOfRange,       "position out of range" },
+	{ invalidAccess,    "access not allowed" },
+	{ buffTooSmall,     "buffer too small" },
+	{ fileBusy,         "file is already open" },
+	{ dirError,         "directory error" },
+	{ unknownVol,       "unknown volume type" },
+	{ paramRangeErr,    "parameter out of range" },
+	{ outOfMem,         "out of memory" },
+	{ dupVolume,        "duplicate volume name" },
+	{ notBlockDev,      "not a block device" },
+	{ invalidLevel,     "specifield level outside legal range" },
+	{ damagedBitMap,    "block number too large" },
+	{ badPathNames,     "invalid pathnames for ChangePath" },
+	{ notSystemFile,    "not an executable file" },
+	{ osUnsupported,    "Operating System not supported" },
+	{ stackOverflow,    "too many applications on stack" },
+	{ dataUnavail,      "data unavailable" },
+	{ endOfDir,         "end of directory has been reached" },
+	{ invalidClass,     "invalid FST call class" },
+	{ resForkNotFound,  "file does not contain required resource" },
+	{ invalidFSTID,     "error - FST ID is invalid" },
+	{ invalidFSTop,     "invalid FST operation" },
+	{ fstCaution,       "FST handled call, but result is weird" },
+	{ devNameErr,       "device exists with same name as replacement name" },
+	{ defListFull,      "device list is full" },
+	{ supListFull,      "supervisor list is full" },
+	{ fstError,         "generic FST error" },
+	{ resExistsErr,     "cannot expand file, resource already exists" },
+	{ resAddErr,        "cannot add resource fork to this type file" },
+	{ networkError,     "generic network error" },
+	{ 0,                NONE } /* we shouldn't see this */
+};
+
+unsigned short errnoGS = 0;
+
+char *
+strerrorGS(unsigned short num)
+{
+	int i;
+
+	if (num == 0) {
+		return NONE;
+	}
+	i = 0;
+	while (sys_errlistGS[i].num) {
+		if (sys_errlistGS[i].num == num) {
+			return sys_errlistGS[i].str;
+		}
+		i++;
+	}
+	return UNKNOWN;
+}
+
+#ifdef __ORCAC__
+#pragma debug 0
+#pragma optimize 78
+#endif
+
+void
+perrorGS(char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap,format);
+	vfprintf(stderr,format,ap);
+	fprintf(stderr,": %s\n",strerrorGS(errnoGS));
+	va_end(ap);
+	return;
+}

lib/libcontrib/expandpath.c

@@ -0,0 +1,90 @@
+/*
+ * $Id: expandpath.c,v 1.1 1997/10/30 04:57:25 gdr Exp $
+ */
+
+/* Change the arg types of GS/OS parameter blocks. Must be before #includes */
+#define __USE_DYNAMIC_GSSTRING__
+
+#include <types.h>
+#include <gsos.h>
+#include <errno.h>
+#include <orca.h>
+#include <gno/gno.h>
+#include "contrib.h"
+
+/*
+ * expandpath
+ *
+ * Uses the GS/OS facilities to expand the pathname <path>.  On
+ * success, returns a pointer to the malloc'd expanded path.  On
+ * failure it will return NULL and set errno.
+ *
+ * Note that in using this function, all directory separators will
+ * be converted to colons.
+ *
+ * *********** THIS ROUTINE IS NOT REENTRANT **************
+ */
+
+#define OUTBUF_QUANTUM	255
+
+GSStringPtr
+LC_ExpandPathGS (GSStringPtr path)
+{
+	static ExpandPathRecGS	expand;
+	static ResultBufPtr	outBuf = NULL;
+	static int outBufSize = 0;
+	int i;
+        
+	expand.pCount = 2;
+	expand.inputPath = path;
+	expand.flags = 0x0000;
+	if (outBuf == NULL) {
+		outBufSize += OUTBUF_QUANTUM;
+		outBuf = GOinit(outBufSize, NULL);
+		if (outBuf == NULL) {
+			errno = ENOMEM;
+			return NULL;
+		}
+	}
+	for(;;) {
+		expand.outputPath = outBuf;
+		ExpandPathGS(&expand);
+		switch (_toolErr) {
+		case 0:
+			/* NULL-terminate it and return */
+			(outBuf->bufString.text)[outBuf->bufString.length]
+				= '\0';
+			return &(outBuf->bufString);
+			break;
+		case buffTooSmall:
+			break;
+		default:
+			errno = _mapErr(_toolErr);
+			return NULL;
+		}
+		/* if we got here, the buffer wasn't large enough */
+		
+		outBufSize += OUTBUF_QUANTUM;
+		outBuf = GOchange(outBuf, outBufSize, NULL);
+        }
+}
+
+char *          
+LC_ExpandPath (char *path)
+{               
+	GSStringPtr inStr, result;
+	int e;
+
+	if ((inStr = __C2GSMALLOC(path)) == NULL) {
+		return NULL;
+	}
+	result = LC_ExpandPathGS(inStr);
+	e = errno;
+	GIfree(inStr);
+	errno = e;
+	if (result) {
+		return result->text;
+	} else {
+		return NULL;
+	}
+}

lib/libcontrib/strarray.c

@@ -5,8 +5,9 @@
  *
  * Devin Reade, September 1997.
  *
- * $Id: strarray.c,v 1.1 1997/10/03 04:49:40 gdr Exp $
+ * $Id: strarray.c,v 1.2 1997/10/30 04:57:25 gdr Exp $
  */
+#include <errno.h>
 #include <string.h>
 #include <stdlib.h>
 #include <err.h>
@@ -124,6 +125,10 @@ void
 LC_StringArrayClear (LC_StringArray_t array) {
   int i;
 
+  if (array == NULL) {
+	   errno = EINVAL;
+	   err(1, "LC_StringArrayClear passed NULL pointer");
+  }
   if (array->lc_used == 0) {
     return;
   }
@@ -140,6 +145,12 @@ LC_StringArrayClear (LC_StringArray_t array) {
   return;
 }
 
+void
+LC_StringArrayDestroy (LC_StringArray_t array) {
+	LC_StringArrayClear(array);
+  free(array);
+}
+
 /*
  * LC_StringArrayCat
  *