+++ /dev/null
-/*
- * the outer shell of regexec()
- *
- * This file includes engine.c *twice*, after muchos fiddling with the
- * macros that code uses. This lets the same code operate on two different
- * representations for state sets.
- */
-#include "amanda.h"
-#include <regex.h>
-#include "utils.h"
-#include "regex2.h"
-
-#undef ISSET
-
-/* macros for manipulating states, small version */
-#define states unsigned long
-#define states1 states /* for later use in regexec() decision */
-#define CLEAR(v) (((v) = 0), (void)(v))
-#define SET0(v, n) ((v) &= ~(MAKE_UNSIGNED_LONG(1) << (n)))
-#define SET1(v, n) ((v) |= (MAKE_UNSIGNED_LONG(1)) << (n))
-#define ISSET(v, n) ((v) & ((MAKE_UNSIGNED_LONG(1)) << (n)))
-#define ASSIGN(d, s) ((d) = (s), (void)(d))
-#define EQ(a, b) ((a) == (b))
-#define STATEVARS int dummy /* dummy version */
-#define STATESETUP(m, n) /* nothing */
-#define STATETEARDOWN(m) /* nothing */
-#define SETUP(v) ((v) = 0)
-#define onestate sopno
-#define INIT(o, n) ((o) = (sopno)1 << (n))
-#define INC(o) ((o) <<= 1)
-#define ISSTATEIN(v, o) ((v) & (o))
-/* some abbreviations; note that some of these know variable names! */
-/* do "if I'm here, I can also be there" etc without branches */
-#define FWD(dst, src, n) ((dst) |= ((unsigned long)(src)&(here)) << (n))
-#define BACK(dst, src, n) ((dst) |= ((unsigned long)(src)&(here)) >> (n))
-#define ISSETBACK(v, n) ((v) & ((long)here >> (n)))
-/* function names */
-#define SNAMES /* engine.c looks after details */
-
-#include "engine.c"
-
-/* now undo things */
-#undef states
-#undef CLEAR
-#undef SET0
-#undef SET1
-#undef ISSET
-#undef ASSIGN
-#undef EQ
-#undef STATEVARS
-#undef STATESETUP
-#undef STATETEARDOWN
-#undef SETUP
-#undef onestate
-#undef INIT
-#undef INC
-#undef ISSTATEIN
-#undef FWD
-#undef BACK
-#undef ISSETBACK
-#undef SNAMES
-
-/* macros for manipulating states, large version */
-#define states char *
-#define CLEAR(v) memset((v), 0, (size_t)m->g->nstates)
-#define SET0(v, n) ((v)[n] = 0)
-#define SET1(v, n) ((v)[n] = 1)
-#define ISSET(v, n) ((v)[n])
-#define ASSIGN(d, s) memcpy((d), (s), (size_t)m->g->nstates)
-#define EQ(a, b) (memcmp((a), (b), (size_t)m->g->nstates) == 0)
-#define STATEVARS int vn; char *space
-#define STATESETUP(m, nv) do { \
- (m)->space = malloc((size_t)(nv)*(size_t)(m)->g->nstates); \
- if ((m)->space == NULL) \
- return(REG_ESPACE); \
- (m)->vn = 0; \
-} while (0);
-
-#define STATETEARDOWN(m) { free((m)->space); }
-#define SETUP(v) ((v) = &m->space[m->vn++ * m->g->nstates])
-#define onestate int
-#define INIT(o, n) ((o) = (n))
-#define INC(o) ((o)++)
-#define ISSTATEIN(v, o) ((v)[o])
-/* some abbreviations; note that some of these know variable names! */
-/* do "if I'm here, I can also be there" etc without branches */
-#define FWD(dst, src, n) ((dst)[here+(n)] |= (src)[here])
-#define BACK(dst, src, n) ((dst)[here-(n)] |= (src)[here])
-#define ISSETBACK(v, n) ((v)[here - (n)])
-/* function names */
-#define LNAMES /* flag */
-
-#include "engine.c"
-
-/*
- - regexec - interface for matching
- = int regexec(regex_t *preg, const char *string, size_t nmatch, regmatch_t pmatch[], int eflags);
- = #define REG_NOTBOL 00001
- = #define REG_NOTEOL 00002
- = #define REG_STARTEND 00004
- = #define REG_TRACE 00400 // tracing of execution
- = #define REG_LARGE 01000 // force large representation
- = #define REG_BACKR 02000 // force use of backref code
- *
- * We put this here so we can exploit knowledge of the state representation
- * when choosing which matcher to call. Also, by this point the matchers
- * have been prototyped.
- */
-int /* 0 success, REG_NOMATCH failure */
-regexec(
- regex_t *preg,
- const char *string,
- size_t nmatch,
- regmatch_t pmatch[],
- int eflags)
-{
- /*@ignore@*/
- register struct re_guts *g = preg->re_g;
-#ifdef REDEBUG
-# define GOODFLAGS(f) (f)
-#else
-# define GOODFLAGS(f) ((f)&(REG_NOTBOL|REG_NOTEOL|REG_STARTEND))
-#endif
-
- if (preg->re_magic != MAGIC1 || g->magic != MAGIC2)
- return(REG_BADPAT);
- /*@end@*/
- assert(!(g->iflags&BAD));
- if (g->iflags&BAD) /* backstop for no-debug case */
- return(REG_BADPAT);
- eflags = GOODFLAGS(eflags);
-
- if ((g->nstates <= ((sopno)(CHAR_BIT * SIZEOF(states1))) &&
- !(eflags & REG_LARGE)))
- return(smatcher(g, string, nmatch, pmatch, eflags));
- return(lmatcher(g, string, nmatch, pmatch, eflags));
-}