bison: lib/readlink.c - 3.8.1 vs. 3.8.2 changes

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About: Bison is a general-purpose parser generator.

readlink.c (bison-3.8.1.tar.xz)	:	readlink.c (bison-3.8.2.tar.xz)

skipping to change at line 32		skipping to change at line 32
#include <errno.h>		#include <errno.h>
#include <string.h>		#include <string.h>
#include <sys/stat.h>		#include <sys/stat.h>

#if !HAVE_READLINK		#if !HAVE_READLINK

/* readlink() substitute for systems that don't have a readlink() function,		/* readlink() substitute for systems that don't have a readlink() function,
such as DJGPP 2.03 and mingw32. */		such as DJGPP 2.03 and mingw32. */

ssize_t		ssize_t

readlink (char const file, char buf _GL_UNUSED,		readlink (char const file, _GL_UNUSED char buf,
size_t bufsize _GL_UNUSED)		_GL_UNUSED size_t bufsize)
{		{
struct stat statbuf;		struct stat statbuf;

/* In general we should use lstat() here, not stat(). But on platforms		/* In general we should use lstat() here, not stat(). But on platforms
without symbolic links, lstat() - if it exists - would be equivalent to		without symbolic links, lstat() - if it exists - would be equivalent to
stat(), therefore we can use stat(). This saves us a configure check. */		stat(), therefore we can use stat(). This saves us a configure check. */
if (stat (file, &statbuf) >= 0)		if (stat (file, &statbuf) >= 0)
errno = EINVAL;		errno = EINVAL;
return -1;		return -1;
}		}

End of changes. 1 change blocks.
2 lines changed or deleted		2 lines changed or added