diff --git a/configure.in b/configure.in index f4096db..cb74523 100644 --- a/configure.in +++ b/configure.in @@ -137,6 +137,8 @@ OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts]) OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support]) OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping]) +OPTION_DEFAULT_ON([filemagic],[don't compile with filemagic support]) + OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars]) OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d]) OPTION_DEFAULT_ON([xim],[don't use X11 XIM]) @@ -2223,6 +2225,19 @@ if test x"$ac_cv_func_alloca_works" != xyes; then AC_MSG_ERROR( [a system implementation of alloca is required] ) fi + +HAVE_LIBMAGIC=no +if test "${with_filemagic}" != "no"; then + #libmagic support + AC_CHECK_HEADERS(magic.h, [ AC_CHECK_LIB(magic,magic_open,HAVE_LIBMAGIC=yes) ]) +fi + +if test "${HAVE_LIBMAGIC}" = "yes"; then + LIBMAGIC=-lmagic + AC_SUBST(LIBMAGIC) + AC_DEFINE(HAVE_LIBMAGIC, 1, [Define to 1 if using libmagic.]) +fi + # fmod, logb, and frexp are found in -lm on most systems. # On HPUX 9.01, -lm does not contain logb, so check for sqrt. AC_CHECK_LIB(m, sqrt) @@ -2954,6 +2969,7 @@ echo " Does Emacs use -lpng? ${HAVE_PNG}" echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}" echo " Does Emacs use -lgpm? ${HAVE_GPM}" echo " Does Emacs use -ldbus? ${HAVE_DBUS}" +echo " Does Emacs use -lmagic? ${HAVE_LIBMAGIC}" echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}" echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}" diff --git a/src/Makefile.in b/src/Makefile.in index 425cf98..b80255a 100644 --- a/src/Makefile.in +++ b/src/Makefile.in @@ -420,6 +420,7 @@ LIBX= $(LIBXMENU) LD_SWITCH_X_SITE #endif /* not HAVE_LIBRESOLV */ LIBSOUND= @LIBSOUND@ +LIBMAGIC= @LIBMAGIC@ CFLAGS_SOUND= @CFLAGS_SOUND@ RSVG_LIBS= @RSVG_LIBS@ @@ -511,6 +512,12 @@ MSDOS_OBJ = dosfns.o msdos.o w16select.o xmenu.o #endif #endif +#ifdef HAVE_LIBMAGIC +FILEMAGIC_OBJ = filemagic.o +#else +FILEMAGIC_OBJ = +#endif + #ifdef CYGWIN CYGWIN_OBJ = sheap.o #endif @@ -551,7 +558,7 @@ obj= dispnew.o frame.o scroll.o xdisp.o menu.o $(XMENU_OBJ) window.o \ syntax.o UNEXEC bytecode.o \ process.o callproc.o \ region-cache.o sound.o atimer.o \ - doprnt.o strftime.o intervals.o textprop.o composite.o md5.o \ + doprnt.o strftime.o intervals.o textprop.o composite.o md5.o ${FILEMAGIC_OBJ} \ $(MSDOS_OBJ) $(NS_OBJ) $(CYGWIN_OBJ) $(FONT_DRIVERS) /* Object files used on some machine or other. @@ -878,7 +885,7 @@ SOME_MACHINE_LISP = ../lisp/mouse.elc \ duplicated symbols. If the standard libraries were compiled with GCC, we might need gnulib again after them. */ -LIBES = $(LOADLIBES) $(LIBS) $(LIBX) $(LIBSOUND) $(RSVG_LIBS) $(DBUS_LIBS) \ +LIBES = $(LOADLIBES) $(LIBS) $(LIBX) $(LIBSOUND) $(LIBMAGIC) $(RSVG_LIBS) $(DBUS_LIBS) \ LIBGPM LIBRESOLV LIBS_SYSTEM LIBS_MACHINE LIBS_TERMCAP \ LIBS_DEBUG $(GETLOADAVG_LIBS) \ @FREETYPE_LIBS@ @FONTCONFIG_LIBS@ @LIBOTF_LIBS@ @M17N_FLT_LIBS@ \ diff --git a/src/config.in b/src/config.in index 404e00b..c966a09 100644 --- a/src/config.in +++ b/src/config.in @@ -262,6 +262,9 @@ along with GNU Emacs. If not, see . */ /* Define to 1 if you have the gpm library (-lgpm). */ #undef HAVE_GPM +/* Define to 1 if you have the filemagic library (-lmagic). */ +#undef HAVE_LIBMAGIC + /* Define to 1 if you have the `grantpt' function. */ #undef HAVE_GRANTPT diff --git a/src/emacs.c b/src/emacs.c index 657465d..03d7744 100644 --- a/src/emacs.c +++ b/src/emacs.c @@ -1683,6 +1683,9 @@ main (int argc, char **argv) syms_of_window (); syms_of_xdisp (); syms_of_font (); +#ifdef HAVE_LIBMAGIC + syms_of_filemagic(); +#endif #ifdef HAVE_WINDOW_SYSTEM syms_of_fringe (); syms_of_image (); diff --git a/src/filemagic.c b/src/filemagic.c new file mode 100644 index 0000000..1dcf065 --- /dev/null +++ b/src/filemagic.c @@ -0,0 +1,65 @@ +#include +#include +#include +#include +#include + +#include "lisp.h" +/* + + */ +/* + magic_t + magic_open(int flags); + + void + magic_close(magic_t cookie); + + const char * + magic_error(magic_t cookie); + + int + magic_errno(magic_t cookie); + + const char * + magic_file(magic_t cookie, const char *filename); + + const char * + magic_buffer(magic_t cookie, const void *buffer, size_t length); + + int + magic_setflags(magic_t cookie, int flags); + + int + magic_check(magic_t cookie, const char *filename); + + int + magic_compile(magic_t cookie, const char *filename); + + int + magic_load(magic_t cookie, const char *filename); +*/ + + +DEFUN ("file-magic-file", Ffile_magic_file, Sfile_magic_file, 1,1,0, + doc: /* return libmagic file description for filename */) + (filename) + Lisp_Object filename; +{ + if (!STRINGP (filename)) return Qnil; + printf("filename:%s\n",SDATA(filename)); + magic_t cookie= magic_open(MAGIC_MIME_TYPE); + magic_load(cookie,NULL); + printf("cookie:%d\n",cookie); + char *rvs=magic_file(cookie, SDATA(filename)); + printf("rvs:%s\n",rvs); + Lisp_Object rv=intern(rvs); + magic_close(cookie); + return rv; +} + +void +syms_of_filemagic () +{ + defsubr (&Sfile_magic_file); +}