Commit 2aa729ac6af316bc30111144684a51c4650d5c44
2011-04-15T13:53:50
strchrnul: work around cygwin bug A misplaced * means that cygwin 1.7.9 dereferences NULL rather than returning the location of the trailing NUL byte. * doc/glibc-functions/strchrnul.texi (strchrnul): Document bug. * m4/strchrnul.m4 (gl_FUNC_STRCHRNUL): Detect it. * m4/string_h.m4 (gl_HEADER_STRING_H_DEFAULTS): New witness. * modules/string (Makefile.am): Substitute it. * lib/string.in.h (strchrnul): Use it. Signed-off-by: Eric Blake <eblake@redhat.com>