Move flook and fexist to flook tosimplify dependency graph.

bind.c

@@ -18,45 +18,14 @@
 #include "ebind.h"
 #include "exec.h"
 #include "file.h"
-#include "fileio.h"
+#include "flook.h"
 #include "input.h"
 #include "line.h"
 #include "names.h"
 #include "window.h"
 
 
-/*	possible names and paths of help files under different OSs	*/
+static char *getfname( fn_t) ;
-static const char *pathname[] = {
-#if	MSDOS
-	"emacs.rc",
-	"emacs.hlp",
-	"\\sys\\public\\",
-	"\\usr\\bin\\",
-	"\\bin\\",
-	"\\",
-	""
-#endif
-
-#if	V7 | BSD | USG
-	".emacsrc",
-	"emacs.hlp",
-#if	PKCODE
-	"/usr/global/lib/", "/usr/local/bin/", "/usr/local/lib/",
-#endif
-	"/usr/local/", "/usr/lib/", ""
-#endif
-
-#if	VMS
-{
-	"emacs.rc", "emacs.hlp", "",
-#if	PKCODE
-	"sys$login:", "emacs_dir:",
-#endif
-	"sys$sysdevice:[vmstools]"
-#endif
-};
-
-#define PATHNAME_SIZE (sizeof pathname / sizeof pathname[ 0])
 
 int help(int f, int n)
 {				/* give me some help!!!!
@@ -508,90 +477,6 @@ int startup(char *sfname)
 	return dofile(fname);
 }
 
-/*
- * Look up the existance of a file along the normal or PATH
- * environment variable. Look first in the HOME directory if
- * asked and possible
- *
- * char *fname;		base file name to search for
- * int hflag;		Look in the HOME environment variable first?
- */
-char *flook( const char *fname, int hflag)
-{
-	char *home;	/* path to home directory */
-	char *path;	/* environmental PATH variable */
-	char *sp;	/* pointer into path spec */
-	int i;		/* index */
-	static char fspec[NSTRING];	/* full path spec to search */
-
-#if	ENVFUNC
-
-	if (hflag) {
-		home = getenv("HOME");
-		if (home != NULL) {
-			/* build home dir file spec */
-			strcpy(fspec, home);
-			strcat(fspec, "/");
-			strcat(fspec, fname);
-
-			/* and try it out */
-			if (ffropen(fspec) == FIOSUC) {
-				ffclose();
-				return fspec;
-			}
-		}
-	}
-#endif
-
-	/* always try the current directory first */
-	strcpy( fspec, fname) ;
-	if( ffropen( fspec) == FIOSUC) {
-		ffclose() ;
-		return fspec ;
-	}
-#if	ENVFUNC
-	/* get the PATH variable */
-	path = getenv("PATH");
-	if (path != NULL)
-		while (*path) {
-
-			/* build next possible file spec */
-			sp = fspec;
-			while (*path && (*path != PATHCHR))
-				*sp++ = *path++;
-
-			/* add a terminating dir separator if we need it */
-			if (sp != fspec)
-				*sp++ = '/';
-			*sp = 0;
-			strcat(fspec, fname);
-
-			/* and try it out */
-			if (ffropen(fspec) == FIOSUC) {
-				ffclose();
-				return fspec;
-			}
-
-			if (*path == PATHCHR)
-				++path;
-		}
-#endif
-
-	/* look it up via the old table method */
-	for( i = 2; i < PATHNAME_SIZE ; i++) {
-		strcpy(fspec, pathname[i]);
-		strcat(fspec, fname);
-
-		/* and try it out */
-		if (ffropen(fspec) == FIOSUC) {
-			ffclose();
-			return fspec;
-		}
-	}
-
-	return NULL;		/* no such luck */
-}
-
 /*
  * change a key command to a string we can print out
  *
@@ -659,7 +544,7 @@ int (*getbind(int c))(int, int)
  *	This function takes a ptr to function and gets the name
  *	associated with it.
  */
-char *getfname(fn_t func)
+static char *getfname(fn_t func)
 {
 	struct name_bind *nptr;	/* pointer into the name binding table */
 

bind.h

@@ -14,10 +14,8 @@ int buildlist( int type, char *mstring) ;
 int strinc( char *source, char *sub) ;
 unsigned int getckey( int mflag) ;
 int startup( char *sfname) ;
-char *flook( const char *fname, int hflag) ;
 void cmdstr( int c, char *seq) ;
 fn_t getbind( int c) ;
-char *getfname( fn_t) ;
 fn_t fncmatch( char *) ;
 unsigned int stock( char *keyname) ;
 char *transbind( char *skey) ;

eval.c

@@ -17,7 +17,7 @@
 #include "estruct.h"
 #include "edef.h"
 #include "exec.h"
-#include "fileio.h"
+#include "flook.h"
 #include "input.h"
 #include "line.h"
 #include "random.h"

exec.c

@@ -19,6 +19,7 @@
 #include "edef.h"
 #include "eval.h"
 #include "file.h"
+#include "flook.h"
 #include "input.h"
 #include "line.h"
 

fileio.c

@@ -207,24 +207,3 @@ fio_code ffgetline(void)
 #endif
     return FIOSUC;
 }
-
-/*
- * does <fname> exist on disk?
- *
- * char *fname;     file to check for existance
- */
-boolean fexist( const char *fname)
-{
-    FILE *fp;
-
-    /* try to open the file for reading */
-    fp = fopen(fname, "r");
-
-    /* if it fails, just return false! */
-    if (fp == NULL)
-        return FALSE;
-
-    /* otherwise, close it and report true */
-    fclose(fp);
-    return TRUE;
-}

fileio.h

@@ -27,7 +27,6 @@ extern int 		flen ;			/* current allocated length of fline */
 extern int 		ftype ;
 extern int		fpayload ;		/* actual length of fline content */
 
-boolean fexist( const char *fname) ;
 fio_code ffclose( void) ;
 fio_code ffgetline( void) ;
 fio_code ffputline( unsigned char *buf, int nbuf, int dosflag) ;

flook.c

@@ -0,0 +1,144 @@
+/* flook.c -- implements flook.h */
+#include "flook.h"
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+#include "fileio.h"
+
+
+/*	possible names and paths of help files under different OSs	*/
+const char *pathname[] = {
+#if	MSDOS
+	"emacs.rc",
+	"emacs.hlp",
+	"\\sys\\public\\",
+	"\\usr\\bin\\",
+	"\\bin\\",
+	"\\",
+	""
+#endif
+
+#if	V7 | BSD | USG
+	".emacsrc",
+	"emacs.hlp",
+#if	PKCODE
+	"/usr/global/lib/", "/usr/local/bin/", "/usr/local/lib/",
+#endif
+	"/usr/local/", "/usr/lib/", ""
+#endif
+
+#if	VMS
+{
+	"emacs.rc", "emacs.hlp", "",
+#if	PKCODE
+	"sys$login:", "emacs_dir:",
+#endif
+	"sys$sysdevice:[vmstools]"
+#endif
+};
+
+#define PATHNAME_SIZE (sizeof pathname / sizeof pathname[ 0])
+
+
+/*
+ * does <fname> exist on disk?
+ *
+ * char *fname;     file to check for existance
+ */
+boolean fexist( const char *fname)
+{
+    FILE *fp;
+
+    /* try to open the file for reading */
+    fp = fopen(fname, "r");
+
+    /* if it fails, just return false! */
+    if (fp == NULL)
+        return FALSE;
+
+    /* otherwise, close it and report true */
+    fclose(fp);
+    return TRUE;
+}
+
+/*
+ * Look up the existance of a file along the normal or PATH
+ * environment variable. Look first in the HOME directory if
+ * asked and possible
+ *
+ * char *fname;		base file name to search for
+ * int hflag;		Look in the HOME environment variable first?
+ */
+char *flook( const char *fname, int hflag)
+{
+	char *home;	/* path to home directory */
+	char *path;	/* environmental PATH variable */
+	char *sp;	/* pointer into path spec */
+	int i;		/* index */
+	static char fspec[NSTRING];	/* full path spec to search */
+
+#if	ENVFUNC
+
+	if (hflag) {
+		home = getenv("HOME");
+		if (home != NULL) {
+			/* build home dir file spec */
+			strcpy(fspec, home);
+			strcat(fspec, "/");
+			strcat(fspec, fname);
+
+			/* and try it out */
+			if( fexist( fspec))
+				return fspec ;
+		}
+	}
+#endif
+
+	/* always try the current directory first */
+	strcpy( fspec, fname) ;
+	if( fexist( fspec))
+		return fspec ;
+
+#if	ENVFUNC
+	/* get the PATH variable */
+	path = getenv("PATH");
+	if (path != NULL)
+		while (*path) {
+
+			/* build next possible file spec */
+			sp = fspec;
+			while (*path && (*path != PATHCHR))
+				*sp++ = *path++;
+
+			/* add a terminating dir separator if we need it */
+			if (sp != fspec)
+				*sp++ = '/';
+			*sp = 0;
+			strcat(fspec, fname);
+
+			/* and try it out */
+			if( fexist( fspec))
+				return fspec ;
+
+			if (*path == PATHCHR)
+				++path;
+		}
+#endif
+
+	/* look it up via the old table method */
+	for( i = 2; i < PATHNAME_SIZE ; i++) {
+		strcpy(fspec, pathname[i]);
+		strcat(fspec, fname);
+
+		/* and try it out */
+		if( fexist( fspec))
+			return fspec ;
+	}
+
+	return NULL;		/* no such luck */
+}
+

flook.h

@@ -0,0 +1,9 @@
+#include "estruct.h"
+
+
+extern const char *pathname[] ;
+
+
+boolean fexist( const char *fname) ;
+char *flook( const char *fname, int hflag) ;
+