usefull for win32 port

w32util.c

@@ -0,0 +1,128 @@
+#include <stdio.h>
+#include <string.h>
+
+char * basename (const char *filename)
+{
+  const char *p = filename + strlen (filename);
+  while (p != filename)
+    {
+      p--;
+      if (*p == '/' || *p == '\\')
+	return ((char *) p + 1);
+    }
+  return ((char *) filename);
+}
+
+char *dirname(const char *path)
+{
+        static char bname[1024];
+        register const char *endp;
+
+        /* Empty or NULL string gets treated as "." */
+        if (path == NULL || *path == '\0') {
+                (void)strncpy(bname, ".", sizeof bname);
+                return(bname);
+        }
+
+        /* Strip trailing slashes */
+        endp = path + strlen(path) - 1;
+        while (endp > path && *endp == '\\' )
+                endp--;
+
+        /* Find the start of the dir */
+        while (endp > path && *endp != '\\' )
+                endp--;
+
+        /* Either the dir is "/" or there are no slashes */
+        if (endp == path) {
+                (void)strncpy(bname, *endp == '\\' ? "\\" : ".", sizeof bname);
+                return(bname);
+        } else {
+                do {
+                        endp--;
+                } while (endp > path && *endp == '\\');
+        }
+
+        if (endp - path + 2 > sizeof(bname)) {
+                            return(NULL);
+        }
+        strncpy(bname, path, endp - path + 2);
+        return(bname);
+}
+
+int	opterr = 1,		/* if error message should be printed */
+	optind = 1,		/* index into parent argv vector */
+	optopt,			/* character checked for validity */
+	optreset;		/* reset getopt */
+char	*optarg;		/* argument associated with option */
+
+#define	BADCH	(int)'?'
+#define	BADARG	(int)':'
+#define	EMSG	""
+
+/*
+ * getopt --
+ *	Parse argc/argv argument vector.
+ */
+int
+getopt(nargc, nargv, ostr)
+	int nargc;
+	char * const *nargv;
+	const char *ostr;
+{
+#  define __progname nargv[0]
+	static char *place = EMSG;		/* option letter processing */
+	char *oli;				/* option letter list index */
+
+	if (optreset || !*place) {		/* update scanning pointer */
+		optreset = 0;
+		if (optind >= nargc || *(place = nargv[optind]) != '-') {
+			place = EMSG;
+			return (-1);
+		}
+		if (place[1] && *++place == '-') {	/* found "--" */
+			++optind;
+			place = EMSG;
+			return (-1);
+		}
+	}					/* option letter okay? */
+	if ((optopt = (int)*place++) == (int)':' ||
+	    !(oli = strchr(ostr, optopt))) {
+		/*
+		 * if the user didn't specify '-' as an option,
+		 * assume it means -1.
+		 */
+		if (optopt == (int)'-')
+			return (-1);
+		if (!*place)
+			++optind;
+		if (opterr && *ostr != ':')
+			(void)printf("%s: illegal option -- %c\n", __progname, optopt);
+		return (BADCH);
+	}
+	if (*++oli != ':') {			/* don't need argument */
+		optarg = NULL;
+		if (!*place)
+			++optind;
+	}
+	else {					/* need an argument */
+		if (*place)			/* no white space */
+			optarg = place;
+		else if (nargc <= ++optind) {	/* no arg */
+			place = EMSG;
+			if (*ostr == ':')
+				return (BADARG);
+			if (opterr)
+				(void)printf(
+				    "%s: option requires an argument -- %c\n",
+				    __progname, optopt);
+			return (BADCH);
+		}
+	 	else				/* white space */
+			optarg = nargv[optind];
+		place = EMSG;
+		++optind;
+	}
+	return (optopt);			/* dump back option letter */
+}
+

w32util.h

@@ -0,0 +1,12 @@
+extern char * basename (const char *filename);
+
+extern char *dirname(const char *path);
+
+extern int	opterr,		/* if error message should be printed */
+	optind ,		/* index into parent argv vector */
+	optopt,			/* character checked for validity */
+	optreset;		/* reset getopt */
+extern char	*optarg;		/* argument associated with option */
+
+
+extern int getopt(int nargc, char * const *nargv, const char *ostr);