grep: libify *search.c

* src/Makefile.am (libsearch_a_SOURCES): Add dfasearch.c, kwsearch.c,
pcresearch.c.
* src/esearch.c, src/fsearch.c, * src/gsearch.c: Only include search.h.
* src/dfasearch.c (GEAcompile, EGexecute): Export.
* src/kwsearch.c (Fcompile, Fexecute): Export.
* src/pcresearch.c (Pcompile, Pexecute): Export.
* src/search.h: Add new exported functions.

10 files changed, 28 insertions, 20 deletions

diff --git a/.x-sc_require_config_h b/.x-sc_require_config_h
index 9abf3dab..c11a39bd 100644
--- a/.x-sc_require_config_h
+++ b/.x-sc_require_config_h
@@ -1,5 +1,2 @@
 src/egrep.c
 src/fgrep.c
-src/esearch.c
-src/fsearch.c
-src/gsearch.c
diff --git a/.x-sc_require_config_h_first b/.x-sc_require_config_h_first
index 9abf3dab..c11a39bd 100644
--- a/.x-sc_require_config_h_first
+++ b/.x-sc_require_config_h_first
@@ -1,5 +1,2 @@
 src/egrep.c
 src/fgrep.c
-src/esearch.c
-src/fsearch.c
-src/gsearch.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 7ebc126d..65715290 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -25,7 +25,8 @@ fgrep_SOURCES = fgrep.c fsearch.c
 noinst_HEADERS = grep.h dfa.h kwset.h search.h system.h mbsupport.h
 
 noinst_LIBRARIES = libsearch.a
-libsearch_a_SOURCES = kwset.c dfa.c searchutils.c
+libsearch_a_SOURCES = kwset.c dfa.c searchutils.c dfasearch.c kwsearch.c \
+	pcresearch.c
 
 LDADD = $(LIBINTL) libsearch.a ../lib/libgreputils.a
 grep_LDADD = $(LDADD) $(PCRE_LIBS)
@@ -34,5 +35,4 @@ INCLUDES = -I$(top_srcdir)/lib -DLOCALEDIR=\"$(localedir)\"
 
 EXTRA_DIST = \
              dosbuf.c \
-	     pcresearch.c dfasearch.c kwsearch.c \
              vms_fab.c vms_fab.h
diff --git a/src/dfasearch.c b/src/dfasearch.c
index 6a9137a8..996effdb 100644
--- a/src/dfasearch.c
+++ b/src/dfasearch.c
@@ -110,8 +110,7 @@ kwsmusts (void)
     }
 }
 
-/* No __VA_ARGS__ in C89.  So we have to do it this way.  */
-static void
+void
 GEAcompile (char const *pattern, size_t size, reg_syntax_t syntax_bits)
 {
   const char *err;
@@ -195,7 +194,7 @@ GEAcompile (char const *pattern, size_t size, reg_syntax_t syntax_bits)
   free(motif);
 }
 
-static size_t
+size_t
 EGexecute (char const *buf, size_t size, size_t *match_size,
 	   char const *start_ptr)
 {
diff --git a/src/esearch.c b/src/esearch.c
index 933ecc88..647d2cbd 100644
--- a/src/esearch.c
+++ b/src/esearch.c
@@ -1,4 +1,5 @@
-#include "dfasearch.c"
+#include <config.h>
+#include "search.h"
 
 static void
 Ecompile (char const *pattern, size_t size)
diff --git a/src/fsearch.c b/src/fsearch.c
index b16e7693..a5244875 100644
--- a/src/fsearch.c
+++ b/src/fsearch.c
@@ -1,4 +1,5 @@
-#include "kwsearch.c"
+#include <config.h>
+#include "search.h"
 
 struct matcher const matchers[] = {
   { "fgrep", Fcompile, Fexecute },
diff --git a/src/gsearch.c b/src/gsearch.c
index 7156809d..b71d3b72 100644
--- a/src/gsearch.c
+++ b/src/gsearch.c
@@ -1,6 +1,5 @@
-#include "dfasearch.c"
-#include "pcresearch.c"
-#include "kwsearch.c"
+#include <config.h>
+#include "search.h"
 
 static void
 Gcompile (char const *pattern, size_t size)
diff --git a/src/kwsearch.c b/src/kwsearch.c
index 245ccf0a..2f8e7b73 100644
--- a/src/kwsearch.c
+++ b/src/kwsearch.c
@@ -29,7 +29,7 @@
    any string matching the regexp. */
 static kwset_t kwset;
 
-static void
+void
 Fcompile (char const *pattern, size_t size)
 {
   char const *beg, *end, *lim, *err, *pat;
@@ -74,7 +74,7 @@ Fcompile (char const *pattern, size_t size)
     error (EXIT_TROUBLE, 0, "%s", err);
 }
 
-static size_t
+size_t
 Fexecute (char const *buf, size_t size, size_t *match_size,
 	  char const *start_ptr)
 {
diff --git a/src/pcresearch.c b/src/pcresearch.c
index f09acdc7..4dedf245 100644
--- a/src/pcresearch.c
+++ b/src/pcresearch.c
@@ -32,7 +32,7 @@ static pcre *cre;
 static pcre_extra *extra;
 #endif
 
-static void
+void
 Pcompile (char const *pattern, size_t size)
 {
 #if !HAVE_LIBPCRE
@@ -99,7 +99,7 @@ Pcompile (char const *pattern, size_t size)
 #endif
 }
 
-static size_t
+size_t
 Pexecute (char const *buf, size_t size, size_t *match_size,
 	  char const *start_ptr)
 {
diff --git a/src/search.h b/src/search.h
index cb3b535f..10e4d5cc 100644
--- a/src/search.h
+++ b/src/search.h
@@ -37,6 +37,7 @@
 #include "kwset.h"
 #include "xalloc.h"
 
+/* searchutils.c */
 void kwsinit (kwset_t *);
 
 #ifdef MBS_SUPPORT
@@ -44,4 +45,17 @@ char * mbtolower (const char *, size_t *);
 bool is_mb_middle(const char **, const char *, const char *);
 #endif
 
+/* dfasearch.c */
+void GEAcompile (char const *, size_t, reg_syntax_t);
+size_t EGexecute (char const *, size_t, size_t *, char const *);
+
+/* kwsearch.c */
+void Fcompile (char const *, size_t);
+size_t Fexecute (char const *, size_t, size_t *, char const *);
+
+/* pcresearch.c */
+void Pcompile (char const *, size_t);
+size_t Pexecute (char const *, size_t, size_t *, char const *);
+
+
 #endif /* GREP_SEARCH_H */