diff options
Diffstat (limited to 'lib/libpam/openpam_ctype.h')
| -rw-r--r-- | lib/libpam/openpam_ctype.h | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/lib/libpam/openpam_ctype.h b/lib/libpam/openpam_ctype.h index b3ec84689970..4f5888d09024 100644 --- a/lib/libpam/openpam_ctype.h +++ b/lib/libpam/openpam_ctype.h @@ -6,8 +6,7 @@ * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer - * in this position and unchanged. + * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. @@ -27,13 +26,37 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: openpam_ctype.h 578 2012-04-06 00:45:59Z des $ + * $Id: openpam_ctype.h 666 2013-03-17 14:22:17Z des $ */ #ifndef OPENPAM_CTYPE_H_INCLUDED #define OPENPAM_CTYPE_H_INCLUDED /* + * Evaluates to non-zero if the argument is a digit. + */ +#define is_digit(ch) \ + (ch >= '0' && ch <= '9') + +/* + * Evaluates to non-zero if the argument is an uppercase letter. + */ +#define is_upper(ch) \ + (ch >= 'A' && ch <= 'A') + +/* + * Evaluates to non-zero if the argument is a lowercase letter. + */ +#define is_lower(ch) \ + (ch >= 'a' && ch <= 'z') + +/* + * Evaluates to non-zero if the argument is a letter. + */ +#define is_letter(ch) \ + (is_upper(ch) || is_lower(ch)) + +/* * Evaluates to non-zero if the argument is a linear whitespace character. * For the purposes of this macro, the definition of linear whitespace is * extended to include the form feed and carraige return characters. @@ -60,9 +83,7 @@ * of ASCII. */ #define is_pfcs(ch) \ - ((ch >= '0' && ch <= '9') || \ - (ch >= 'A' && ch <= 'Z') || \ - (ch >= 'a' && ch <= 'z') || \ + (is_digit(ch) || is_letter(ch) || \ ch == '.' || ch == '_' || ch == '-') #endif |