diff options
Diffstat (limited to 'dfa.h')
| -rw-r--r-- | dfa.h | 28 |
1 files changed, 23 insertions, 5 deletions
@@ -26,7 +26,11 @@ #endif /* HAVE_STDBOOL_H */ #include <stddef.h> -#define _GL_ATTRIBUTE_MALLOC +#if 3 <= __GNUC__ +# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) +#else +# define _GL_ATTRIBUTE_MALLOC +#endif struct localeinfo; /* See localeinfo.h. */ @@ -50,15 +54,29 @@ struct dfa; calling dfafree() on it. */ extern struct dfa *dfaalloc (void) _GL_ATTRIBUTE_MALLOC; +/* DFA options that can be ORed together, for dfasyntax's 4th arg. */ +enum + { + /* ^ and $ match only the start and end of data, and do not match + end-of-line within data. This is always false for grep, but + possibly true for other apps. */ + DFA_ANCHOR = 1 << 0, + + /* Ignore case while matching. */ + DFA_CASE_FOLD = 1 << 1, + + /* '\0' in data is end-of-line, instead of the traditional '\n'. */ + DFA_EOL_NUL = 1 << 2 + }; + /* Initialize or reinitialize a DFA. This must be called before any of the routines below. The arguments are: 1. The DFA to operate on. 2. Information about the current locale. - 3. The syntax bits described earlier in this file. - 4. The case-folding flag. - 5. The line terminator. */ + 3. Syntax bits described in regex.h. + 4. Additional DFA options described above. */ extern void dfasyntax (struct dfa *, struct localeinfo const *, - reg_syntax_t, bool, unsigned char); + reg_syntax_t, int); /* Build and return the struct dfamust from the given struct dfa. */ extern struct dfamust *dfamust (struct dfa const *); |