#include <io.h>
#include "os2inc.h"
#include "cvs.h"
static int deep_remove_dir( const char *path );
void
copy_file (from, to)
const char *from;
const char *to;
{
struct stat sb;
struct utimbuf t;
int fdin, fdout;
if (trace)
#ifdef SERVER_SUPPORT
(void) fprintf (stderr, "%c-> copy(%s,%s)\n",
(server_active) ? 'S' : ' ', from, to);
#else
(void) fprintf (stderr, "-> copy(%s,%s)\n", from, to);
#endif
if (noexec)
return;
if ((fdin = open (from, O_RDONLY | O_BINARY)) < 0)
error (1, errno, "cannot open %s for copying", from);
if (fstat (fdin, &sb) < 0)
error (1, errno, "cannot fstat %s", from);
if ((fdout = open (to, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY,
(int) sb.st_mode & 07777)) < 0)
error (1, errno, "cannot create %s for copying", to);
if (sb.st_size > 0)
{
char buf[BUFSIZ];
int n;
for (;;)
{
n = read (fdin, buf, sizeof(buf));
if (n == -1)
{
#ifdef EINTR
if (errno == EINTR)
continue;
#endif
error (1, errno, "cannot read file %s for copying", from);
}
else if (n == 0)
break;
if (write(fdout, buf, n) != n) {
error (1, errno, "cannot write file %s for copying", to);
}
}
#ifdef HAVE_FSYNC
if (fsync (fdout))
error (1, errno, "cannot fsync file %s after copying", to);
#endif
}
if (close (fdin) < 0)
error (0, errno, "cannot close %s", from);
if (close (fdout) < 0)
error (1, errno, "cannot close %s", to);
memset ((char *) &t, 0, sizeof (t));
t.actime = sb.st_atime;
t.modtime = sb.st_mtime;
(void) utime ((char *)to, &t);
}
int
isdir (file)
const char *file;
{
struct stat sb;
if (stat (file, &sb) < 0)
return (0);
return (S_ISDIR (sb.st_mode));
}
int
islink (file)
const char *file;
{
#ifdef S_ISLNK
struct stat sb;
if (lstat (file, &sb) < 0)
return (0);
return (S_ISLNK (sb.st_mode));
#else
return (0);
#endif
}
int
isfile (file)
const char *file;
{
struct stat sb;
if (stat (file, &sb) < 0)
return (0);
return (1);
}
int
isreadable (file)
const char *file;
{
return (access (file, R_OK) != -1);
}
int
iswritable (file)
const char *file;
{
return (access (file, W_OK) != -1);
}
int
isaccessible (file, mode)
const char *file;
const int mode;
{
return access(file, mode) == 0;
}
void
make_directory (name)
const char *name;
{
struct stat buf;
if (stat (name, &buf) == 0 && (!S_ISDIR (buf.st_mode)))
error (0, 0, "%s already exists but is not a directory", name);
if (!noexec && mkdir ((char *)name) < 0)
error (1, errno, "cannot make directory %s", name);
}
void
make_directories (name)
const char *name;
{
char *cp;
if (noexec)
return;
if (mkdir ((char *)name) == 0 || errno == EACCES)
return;
if (! existence_error (errno))
{
error (0, errno, "cannot make path to %s", name);
return;
}
if ((cp = strrchr (name, '/')) == NULL)
return;
*cp = '\0';
make_directories (name);
*cp++ = '/';
if (*cp == '\0')
return;
(void) mkdir ((char *)name);
}
int
mkdir_if_needed (name)
char *name;
{
if (mkdir (name) < 0)
{
if (errno != EEXIST
#ifdef EACCES
&& errno != EACCES
#endif
)
error (1, errno, "cannot make directory %s", name);
return 1;
}
return 0;
}
void
xchmod (fname, writable)
char *fname;
int writable;
{
char *attrib_cmd;
char *attrib_option;
char *whole_cmd;
char *p;
char *q;
if (!isfile (fname))
{
error (0, 0, "cannot change mode of file %s; it does not exist",
fname);
return;
}
attrib_cmd = "attrib ";
if (writable)
attrib_option = "-r ";
else
attrib_option = "+r ";
whole_cmd = xmalloc (strlen (attrib_cmd)
+ strlen (attrib_option)
+ strlen (fname)
+ 1);
strcpy (whole_cmd, attrib_cmd);
strcat (whole_cmd, attrib_option);
p = whole_cmd + strlen (whole_cmd);
q = fname;
while (*q)
{
if (*q == '/')
*p++ = '\\';
else
*p++ = *q;
++q;
}
*p = '\0';
system (whole_cmd);
free (whole_cmd);
}
int
readlink (char *path, char *buf, int buf_size)
{
errno = EINVAL;
return -1;
}
int
unlink_file (f)
const char *f;
{
if (trace)
#ifdef SERVER_SUPPORT
(void) fprintf (stderr, "%c-> unlink(%s)\n",
(server_active) ? 'S' : ' ', f);
#else
(void) fprintf (stderr, "-> unlink(%s)\n", f);
#endif
if (noexec)
return (0);
if (isfile (f))
xchmod ((char *)f, 1);
return (unlink (f));
}
int
unlink_file_dir (f)
const char *f;
{
if (trace)
#ifdef SERVER_SUPPORT
(void) fprintf (stderr, "%c-> unlink_file_dir(%s)\n",
(server_active) ? 'S' : ' ', f);
#else
(void) fprintf (stderr, "-> unlink_file_dir(%s)\n", f);
#endif
if (noexec)
return (0);
if (unlink_file (f) != 0)
{
if (errno == EACCES)
return deep_remove_dir (f);
else
return -1;
}
return 0;
}
static int
deep_remove_dir (path)
const char *path;
{
DIR *dirp;
struct dirent *dp;
char buf[PATH_MAX];
if (rmdir ((char *)path) != 0 && errno == EACCES)
{
if ((dirp = opendir ((char *)path)) == NULL)
return -1;
while ((dp = readdir (dirp)) != NULL)
{
if (strcmp (dp->d_name, ".") == 0 ||
strcmp (dp->d_name, "..") == 0)
continue;
sprintf (buf, "%s/%s", path, dp->d_name);
if (unlink_file (buf) != 0 )
{
if (errno == EACCES)
{
if (deep_remove_dir (buf))
{
closedir (dirp);
return -1;
}
}
else
{
closedir (dirp);
return -1;
}
}
}
closedir (dirp);
return rmdir ((char *)path);
}
return 0;
}
void
rename_file (from, to)
const char *from;
const char *to;
{
if (trace)
#ifdef SERVER_SUPPORT
(void) fprintf (stderr, "%c-> rename(%s,%s)\n",
(server_active) ? 'S' : ' ', from, to);
#else
(void) fprintf (stderr, "-> rename(%s,%s)\n", from, to);
#endif
if (noexec)
return;
unlink_file (to);
if (rename (from, to) != 0)
error (1, errno, "cannot rename file %s to %s", from, to);
}
static size_t
block_read (fd, buf, nchars)
int fd;
char *buf;
size_t nchars;
{
char *bp = buf;
size_t nread;
do
{
nread = read (fd, bp, nchars);
if (nread == (size_t)-1)
{
#ifdef EINTR
if (errno == EINTR)
continue;
#endif
return (size_t)-1;
}
if (nread == 0)
break;
bp += nread;
nchars -= nread;
} while (nchars != 0);
return bp - buf;
}
int
xcmp (file1, file2)
const char *file1;
const char *file2;
{
char *buf1, *buf2;
struct stat sb1, sb2;
int fd1, fd2;
int ret;
if ((fd1 = open (file1, O_RDONLY | O_BINARY)) < 0)
error (1, errno, "cannot open file %s for comparing", file1);
if ((fd2 = open (file2, O_RDONLY | O_BINARY)) < 0)
error (1, errno, "cannot open file %s for comparing", file2);
if (fstat (fd1, &sb1) < 0)
error (1, errno, "cannot fstat %s", file1);
if (fstat (fd2, &sb2) < 0)
error (1, errno, "cannot fstat %s", file2);
if (sb1.st_size != sb2.st_size)
ret = 1;
else if (sb1.st_size == 0)
ret = 0;
else
{
size_t buf_size = 8 * 1024;
size_t read1;
size_t read2;
buf1 = xmalloc (buf_size);
buf2 = xmalloc (buf_size);
do
{
read1 = block_read (fd1, buf1, buf_size);
if (read1 == (size_t)-1)
error (1, errno, "cannot read file %s for comparing", file1);
read2 = block_read (fd2, buf2, buf_size);
if (read2 == (size_t)-1)
error (1, errno, "cannot read file %s for comparing", file2);
ret = memcmp(buf1, buf2, read1);
} while (ret == 0 && read1 == buf_size);
free (buf1);
free (buf2);
}
(void) close (fd1);
(void) close (fd2);
return (ret);
}
#if 0
main ()
{
int c;
for (c = 0; c < 256; c++)
{
int t;
if (c == '\\')
t = '/';
else
t = tolower (c);
if ((c & 0x7) == 0x0)
printf (" ");
printf ("0x%02x,", t);
if ((c & 0x7) == 0x7)
putchar ('\n');
else if ((c & 0x7) == 0x3)
putchar (' ');
}
}
#endif
unsigned char
OS2_filename_classes[] =
{
0x00,0x01,0x02,0x03, 0x04,0x05,0x06,0x07,
0x08,0x09,0x0a,0x0b, 0x0c,0x0d,0x0e,0x0f,
0x10,0x11,0x12,0x13, 0x14,0x15,0x16,0x17,
0x18,0x19,0x1a,0x1b, 0x1c,0x1d,0x1e,0x1f,
0x20,0x21,0x22,0x23, 0x24,0x25,0x26,0x27,
0x28,0x29,0x2a,0x2b, 0x2c,0x2d,0x2e,0x2f,
0x30,0x31,0x32,0x33, 0x34,0x35,0x36,0x37,
0x38,0x39,0x3a,0x3b, 0x3c,0x3d,0x3e,0x3f,
0x40,0x61,0x62,0x63, 0x64,0x65,0x66,0x67,
0x68,0x69,0x6a,0x6b, 0x6c,0x6d,0x6e,0x6f,
0x70,0x71,0x72,0x73, 0x74,0x75,0x76,0x77,
0x78,0x79,0x7a,0x5b, 0x2f,0x5d,0x5e,0x5f,
0x60,0x61,0x62,0x63, 0x64,0x65,0x66,0x67,
0x68,0x69,0x6a,0x6b, 0x6c,0x6d,0x6e,0x6f,
0x70,0x71,0x72,0x73, 0x74,0x75,0x76,0x77,
0x78,0x79,0x7a,0x7b, 0x7c,0x7d,0x7e,0x7f,
0x80,0x81,0x82,0x83, 0x84,0x85,0x86,0x87,
0x88,0x89,0x8a,0x8b, 0x8c,0x8d,0x8e,0x8f,
0x90,0x91,0x92,0x93, 0x94,0x95,0x96,0x97,
0x98,0x99,0x9a,0x9b, 0x9c,0x9d,0x9e,0x9f,
0xa0,0xa1,0xa2,0xa3, 0xa4,0xa5,0xa6,0xa7,
0xa8,0xa9,0xaa,0xab, 0xac,0xad,0xae,0xaf,
0xb0,0xb1,0xb2,0xb3, 0xb4,0xb5,0xb6,0xb7,
0xb8,0xb9,0xba,0xbb, 0xbc,0xbd,0xbe,0xbf,
0xc0,0xc1,0xc2,0xc3, 0xc4,0xc5,0xc6,0xc7,
0xc8,0xc9,0xca,0xcb, 0xcc,0xcd,0xce,0xcf,
0xd0,0xd1,0xd2,0xd3, 0xd4,0xd5,0xd6,0xd7,
0xd8,0xd9,0xda,0xdb, 0xdc,0xdd,0xde,0xdf,
0xe0,0xe1,0xe2,0xe3, 0xe4,0xe5,0xe6,0xe7,
0xe8,0xe9,0xea,0xeb, 0xec,0xed,0xee,0xef,
0xf0,0xf1,0xf2,0xf3, 0xf4,0xf5,0xf6,0xf7,
0xf8,0xf9,0xfa,0xfb, 0xfc,0xfd,0xfe,0xff,
};
int
fncmp (const char *n1, const char *n2)
{
while (*n1 && *n2
&& (OS2_filename_classes[(unsigned char) *n1]
== OS2_filename_classes[(unsigned char) *n2]))
n1++, n2++;
return (OS2_filename_classes[(unsigned char) *n1]
- OS2_filename_classes[(unsigned char) *n2]);
}
void
fnfold (char *filename)
{
while (*filename)
{
*filename = FOLD_FN_CHAR (*filename);
filename++;
}
}
char *
cvs_temp_name ()
{
char value[L_tmpnam + 1];
char *retval;
retval = tmpnam (value);
if (retval == NULL)
error (1, errno, "cannot generate temporary filename");
return xstrdup (retval);
}
char *
xresolvepath ( path )
const char *path;
{
char *hardpath;
char *owd;
owd = xgetwd();
if ( CVS_CHDIR ( path ) < 0)
error ( 1, errno, "cannot chdir to %s", path );
if ( ( hardpath = xgetwd() ) == NULL )
error (1, errno, "cannot readlink %s", hardpath);
if ( CVS_CHDIR ( owd ) < 0)
error ( 1, errno, "cannot chdir to %s", owd );
free (owd);
return hardpath;
}
char *
last_component (char *path)
{
char *scan;
char *last = 0;
for (scan = path; *scan; scan++)
if (ISDIRSEP (*scan))
last = scan;
if (last && (last != path))
return last + 1;
else
return path;
}
char *
get_homedir ()
{
return getenv ("HOME");
}
void
expand_wild (argc, argv, pargc, pargv)
int argc;
char **argv;
int *pargc;
char ***pargv;
{
int i;
int new_argc;
char **new_argv;
int max_new_argc;
new_argc = 0;
max_new_argc = argc + 1;
new_argv = (char **) xmalloc (max_new_argc * sizeof (char *));
for (i = 0; i < argc; ++i)
{
HDIR FindHandle = 0x0001;
FILEFINDBUF3 FindBuffer;
ULONG FindCount = 1;
APIRET rc;
#define ALL_FILES (FILE_ARCHIVED|FILE_DIRECTORY|FILE_SYSTEM|FILE_HIDDEN|FILE_READONLY)
char *PathName = argv [i];
char *Path = NULL;
char *Name = last_component (PathName);
if (Name > PathName)
{
Path = xmalloc (Name - PathName + 1);
memcpy (Path, PathName, Name - PathName);
Path [Name - PathName] = '\0';
}
rc = DosFindFirst(PathName,
&FindHandle,
ALL_FILES,
(PVOID) &FindBuffer,
sizeof(FindBuffer),
&FindCount,
FIL_STANDARD);
if (rc != 0)
{
if (rc == ERROR_NO_MORE_FILES)
{
new_argv [new_argc++] = xstrdup (argv[i]);
if (new_argc == max_new_argc)
{
max_new_argc *= 2;
new_argv = xrealloc (new_argv, max_new_argc * sizeof (char *));
}
}
else
{
error (1, rc, "cannot find %s", PathName);
}
}
else
{
while (1)
{
if ((strcmp(FindBuffer.achName, ".") != 0) &&
(strcmp(FindBuffer.achName, "..") != 0) &&
((argv[i][0] == '.') || (FindBuffer.achName[0] != '.')))
{
char *NewArg;
if (Path)
{
unsigned Len =
strlen (Path) + strlen (FindBuffer.achName) + 1;
NewArg = xmalloc (Len);
strcpy (NewArg, Path);
strcat (NewArg, FindBuffer.achName);
}
else
{
NewArg = xstrdup (FindBuffer.achName);
}
new_argv [new_argc++] = NewArg;
if (new_argc == max_new_argc)
{
max_new_argc *= 2;
new_argv = xrealloc (new_argv, max_new_argc * sizeof (char *));
}
}
rc = DosFindNext (FindHandle,
(PVOID) &FindBuffer,
sizeof(FindBuffer),
&FindCount);
if (rc == ERROR_NO_MORE_FILES)
break;
else if (rc != NO_ERROR)
error (1, rc, "cannot find %s", argv[i]);
}
rc = DosFindClose(FindHandle);
if (rc != 0)
error (1, rc, "cannot close %s", argv[i]);
}
if (Path != NULL)
free (Path);
}
*pargc = new_argc;
*pargv = new_argv;
}
int
os2_chdir (const char *Dir)
{
if (strlen (Dir) >= 2 && Dir [1] == ':')
{
int Drive = Dir [0];
Dir += 2;
if (Drive >= 'a' && Drive <= 'z')
{
Drive -= 'a' - 1;
}
else if (Drive >= 'A' && Drive <= 'Z')
{
Drive -= 'A' - 1;
}
else
{
errno = EACCES;
return -1;
}
if (DosSetDefaultDisk (Drive) != 0)
{
#ifdef ENODEV
errno = ENODEV;
#else
errno = ENOENT;
#endif
return -1;
}
}
return chdir (Dir);
}