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Moved posix_result from file.c to errno2result.[ch], for use by multiple

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source files.  We may want to generalize this as part of the libisc API,
but with a better name.
This commit is contained in:
David Lawrence 2000-05-11 15:09:30 +00:00
parent 8adf1b9e74
commit 0c73b546ec
7 changed files with 107 additions and 76 deletions
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2
lib/isc/Makefile.in
View file

@ -30,7 +30,7 @@ CWARNINGS =
# Alphabetically
UNIXOBJS = @ISC_ISCIPV6_O@ \
unix/app.@O@ unix/dir.@O@ unix/file.@O@ \
unix/app.@O@ unix/dir.@O@ unix/errno2result.@O@ unix/file.@O@ \
unix/interfaceiter.@O@ unix/net.@O@ unix/socket.@O@ \
unix/time.@O@ unix/stdtime.@O@

8
lib/isc/unix/Makefile.in
View file

@ -28,13 +28,13 @@ CWARNINGS =
# Alphabetically
OBJS = @ISC_IPV6_O@ \
app.@O@ dir.@O@ file.@O@ interfaceiter.@O@ net.@O@ \
socket.@O@ stdtime.@O@ time.@O@
app.@O@ dir.@O@ errno2result.@O@ file.@O@ interfaceiter.@O@ \
net.@O@ socket.@O@ stdtime.@O@ time.@O@
# Alphabetically
SRCS = @ISC_IPV6_C@ \
app.c dir.c file.c interfaceiter.c net.c \
socket.c stdtime.c time.c
app.c dir.c errno2result.c file.c interfaceiter.c \
net.c socket.c stdtime.c time.c
SUBDIRS = include
TARGETS = ${OBJS}

40
lib/isc/unix/dir.c
View file

@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: dir.c,v 1.9 2000/05/08 14:37:54 tale Exp $ */
/* $Id: dir.c,v 1.10 2000/05/11 15:09:27 tale Exp $ */
/* Principal Authors: DCL */
@ -25,12 +25,14 @@
#include <unistd.h>
#include <isc/dir.h>
#include <isc/magic.h>
#include <isc/string.h>
#include <isc/util.h>
#include "errno2result.h"
#define ISC_DIR_MAGIC 0x4449522aU /* DIR*. */
#define VALID_DIR(dir) ((dir) != NULL && \
(dir)->magic == ISC_DIR_MAGIC)
#define VALID_DIR(dir) ISC_MAGIC_VALID(dir, ISC_DIR_MAGIC)
void
isc_dir_init(isc_dir_t *dir) {
@ -60,20 +62,8 @@ isc_dir_open(isc_dir_t *dir, const char *dirname) {
*/
dir->handle = opendir(dirname);
if (dir->handle == NULL) {
if (errno == ENOMEM)
result = ISC_R_NOMEMORY;
else if (errno == EPERM)
result = ISC_R_NOPERM;
else if (errno == ENOENT)
result = ISC_R_NOTFOUND;
else {
UNEXPECTED_ERROR(__FILE__, __LINE__,
"opendir(%s) failed: %s",
dirname, strerror(errno));
return (ISC_R_UNEXPECTED);
}
}
if (dir->handle == NULL)
return isc__errno2result(errno);
return (result);
}
@ -148,20 +138,8 @@ isc_dir_chdir(const char *dirname) {
REQUIRE(dirname != NULL);
if (chdir(dirname) < 0) {
if (errno == ENOENT)
return (ISC_R_NOTFOUND);
else if (errno == EACCES)
return (ISC_R_NOPERM);
else if (errno == ENOMEM)
return (ISC_R_NOMEMORY);
else {
UNEXPECTED_ERROR(__FILE__, __LINE__,
"chdir(%s) failed: %s",
dirname, strerror(errno));
return (ISC_R_UNEXPECTED);
}
}
if (chdir(dirname) < 0)
return (isc__errno2result(errno));
return (ISC_R_SUCCESS);
}

58
lib/isc/unix/errno2result.c Normal file
View file

@ -0,0 +1,58 @@
/*
* Copyright (C) 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <errno.h>
#include <isc/result.h>
#include "errno2result.h"
/*
* Convert a POSIX errno value into an isc_result_t. The
* list of supported errno values is not complete; new users
* of this function should add any expected errors that are
* not already there.
*/
isc_result_t
isc__errno2result(int posixerrno) {
switch (posixerrno) {
case ENOTDIR:
case ELOOP:
case EINVAL:
case ENAMETOOLONG:
case EBADF:
return (ISC_R_INVALIDFILE);
case ENOENT:
return (ISC_R_FILENOTFOUND);
case EACCES:
return (ISC_R_NOPERM);
case EEXIST:
return (ISC_R_FILEEXISTS);
case EIO:
return (ISC_R_IOERROR);
case ENOMEM:
return (ISC_R_NOMEMORY);
default:
/*
* XXXDCL would be nice if perhaps this function could
* return the system's error string, so the caller
* might have something more descriptive than "unexpected
* error" to log with.
*/
return (ISC_R_UNEXPECTED);
}
}

21
lib/isc/unix/errno2result.h Normal file
View file

@ -0,0 +1,21 @@
/*
* Copyright (C) 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <isc/types.h>
isc_result_t
isc__errno2result(int posixerrno);

52
lib/isc/unix/file.c
View file

@ -28,35 +28,7 @@
#include <isc/time.h>
#include <isc/util.h>
/*
* Convert a POSIX errno value into an isc_result_t. The
* list of supported errno values is not complete; new users
* of this function should add any expected errors that are
* not already there.
*/
static isc_result_t
posix_result(int posixerrno) {
switch (posixerrno) {
case ENOTDIR:
case ELOOP:
case EINVAL:
case ENAMETOOLONG:
case EBADF:
return (ISC_R_INVALIDFILE);
case ENOENT:
return (ISC_R_FILENOTFOUND);
case EACCES:
return (ISC_R_NOPERM);
case EEXIST:
return (ISC_R_FILEEXISTS);
case EIO:
return (ISC_R_IOERROR);
case ENOMEM:
return (ISC_R_NOMEMORY);
default:
return (ISC_R_UNEXPECTED);
}
}
#include "errno2result.h"
/*
* XXXDCL As the API for accessing file statistics undoubtedly gets expanded,
@ -71,7 +43,7 @@ file_stats(const char *file, struct stat *stats) {
isc_result_t result = ISC_R_SUCCESS;
if (stat(file, stats) != 0)
result = posix_result(errno);
result = isc__errno2result(errno);
return (result);
}
@ -138,11 +110,11 @@ isc_file_openunique(char *templet, FILE **fp) {
fd = mkstemp(templet);
if (fd == -1)
result = posix_result(errno);
result = isc__errno2result(errno);
if (result == ISC_R_SUCCESS) {
f = fdopen(fd, "w+");
if (f == NULL) {
result = posix_result(errno);
result = isc__errno2result(errno);
(void)remove(templet);
(void)close(fd);
@ -159,7 +131,7 @@ isc_file_fopen(const char *filename, const char *mode, FILE **fp) {
f = fopen(filename, mode);
if (f == NULL)
return (posix_result(errno));
return (isc__errno2result(errno));
*fp = f;
return (ISC_R_SUCCESS);
}
@ -172,7 +144,7 @@ isc_file_fclose(FILE *f) {
if (r == 0)
return (ISC_R_SUCCESS);
else
return (posix_result(errno));
return (isc__errno2result(errno));
}
isc_result_t
@ -183,7 +155,7 @@ isc_file_fseek(FILE *f, long offset, int whence) {
if (r == 0)
return (ISC_R_SUCCESS);
else
return (posix_result(errno));
return (isc__errno2result(errno));
}
isc_result_t
@ -197,7 +169,7 @@ isc_file_fread(void *ptr, size_t size, size_t nmemb, FILE *f, size_t *nret) {
if (feof(f))
result = ISC_R_EOF;
else
result = posix_result(errno);
result = isc__errno2result(errno);
}
if (nret != NULL)
*nret = r;
@ -212,7 +184,7 @@ isc_file_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *f, size_t *nre
clearerr(f);
r = fwrite(ptr, size, nmemb, f);
if (r != nmemb)
result = posix_result(errno);
result = isc__errno2result(errno);
if (nret != NULL)
*nret = r;
return (result);
@ -226,7 +198,7 @@ isc_file_fflush(FILE *f) {
if (r == 0)
return (ISC_R_SUCCESS);
else
return (posix_result(errno));
return (isc__errno2result(errno));
}
isc_result_t
@ -237,7 +209,7 @@ isc_file_ffsync(FILE *f) {
if (r == 0)
return (ISC_R_SUCCESS);
else
return (posix_result(errno));
return (isc__errno2result(errno));
}
isc_result_t
@ -248,5 +220,5 @@ isc_file_remove(const char *filename) {
if (r == 0)
return (ISC_R_SUCCESS);
else
return (posix_result(errno));
return (isc__errno2result(errno));
}

2
util/copyrights
View file

@ -705,6 +705,8 @@
./lib/isc/unix/Makefile.in MAKE 1998,1999,2000
./lib/isc/unix/app.c C 1999,2000
./lib/isc/unix/dir.c C 1999,2000
./lib/isc/unix/errno2isc.c C 2000
./lib/isc/unix/errno2isc.h C 2000
./lib/isc/unix/file.c C 2000
./lib/isc/unix/ifiter_ioctl.c C 1999,2000
./lib/isc/unix/ifiter_sysctl.c C 1999,2000