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* cygwin.din (basename): Export.

Browse Source 
(dirname): Export.
	* path.cc (basename): New function.
	(dirname): New function.
	* include/libgen.h: New file.
	* include/cygwin/version.h: Bump API minor version.
This commit is contained in:
Corinna Vinschen
2005-02-22 19:45:41 +00:00
parent 156d93af29
commit 24e8fc6872
5 changed files with 121 additions and 1 deletions
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85
winsup/cygwin/path.cc
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@ -53,6 +53,7 @@ details. */
#include <sys/mount.h>
#include <mntent.h>
#include <unistd.h>
#include <libgen.h>
#include <ctype.h>
#include <winioctl.h>
#include <wingdi.h>
@ -3930,3 +3931,87 @@ etc::file_changed (int n)
paranoid_printf ("fn[%d] %s res %d", n, fn[n], res);
return res;
}
/* No need to be reentrant or thread-safe according to SUSv3.
/ and \\ are treated equally. Leading drive specifiers are
kept intact as far as it makes sense. Everything else is
POSIX compatible. */
extern "C" char *
basename (char *path)
{
static char buf[CYG_MAX_PATH + 1];
char *c, *d, *bs = buf;
if (!path || !*path)
return strcpy (buf, ".");
strncpy (buf, path, CYG_MAX_PATH);
if (isalpha (buf[0]) && buf[1] == ':')
bs += 2;
else if (strspn (buf, "/\\") > 1)
++bs;
c = strrchr (bs, '/');
if ((d = strrchr (c ?: bs, '\\')) > c)
c = d;
if (c)
{
/* Trailing (back)slashes are eliminated. */
while (c && c > bs && c[1] == '\0')
{
*c = '\0';
c = strrchr (bs, '/');
if ((d = strrchr (c ?: bs, '\\')) > c)
c = d;
}
if (c && (c > bs || c[1]))
return c + 1;
}
else if (!bs[0])
strcpy (bs, ".");
return buf;
}
/* No need to be reentrant or thread-safe according to SUSv3.
/ and \\ are treated equally. Leading drive specifiers and
leading double (back)slashes are kept intact as far as it
makes sense. Everything else is POSIX compatible. */
extern "C" char *
dirname (char *path)
{
static char buf[CYG_MAX_PATH + 1];
char *c, *d, *bs = buf;
if (!path || !*path)
return strcpy (buf, ".");
strncpy (buf, path, CYG_MAX_PATH);
if (isalpha (buf[0]) && buf[1] == ':')
bs += 2;
else if (strspn (buf, "/\\") > 1)
++bs;
c = strrchr (bs, '/');
if ((d = strrchr (c ?: bs, '\\')) > c)
c = d;
if (c)
{
/* Trailing (back)slashes are eliminated. */
while (c && c > bs && c[1] == '\0')
{
*c = '\0';
c = strrchr (bs, '/');
if ((d = strrchr (c ?: bs, '\\')) > c)
c = d;
}
if (!c)
strcpy (bs, ".");
else if (c > bs)
{
/* More trailing (back)slashes are eliminated. */
while (c > bs && (*c == '/' || *c == '\\'))
*c-- = '\0';
}
else
c[1] = '\0';
}
else
strcpy (bs, ".");
return buf;
}