Simplify and remove dependence on PATH_MAX

buf[PATH_MAX] now defined using strlen to the exact size to be used.
removed output that was displayed if which didnt find the command, this makes itmatch the behaviour of GNU's which.
These modifications result in a slight size decrease.

diff --git a/findutils/which.c b/findutils/which.c
index 07c0e0d85fdfc6dd99a3e8f551d6ff8e4f9b84cd..dc162dca5658585bb15d3ebad8bb292d695dccba 100644 (file)
--- a/findutils/which.c
+++ b/findutils/which.c
@@ -23,14 +23,12 @@
 
 #include "internal.h"
 #include <stdio.h>
-#include <sys/param.h>
 
 extern int which_main(int argc, char **argv)
 {
-       char *path_list, *test, *tmp, *path_parsed;
-       char buf[PATH_MAX];
+       char *path_list, *path_n;
        struct stat filestat;
-       int count = 0;
+       int i, count=0;
 
        if (argc <= 1 || **(argv + 1) == '-')
                usage(which_usage);
@@ -40,45 +38,28 @@ extern int which_main(int argc, char **argv)
        if (!path_list)
                path_list = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin";
 
-       path_parsed = xmalloc (strlen(path_list) + 1);
-       strcpy (path_parsed, path_list);
-
        /* Replace colons with zeros in path_parsed and count them */
-       count = 1;
-       test = path_parsed;
-       while (1) {
-               tmp = strchr(test, ':');
-               if (tmp == NULL)
-                       break;
-               *tmp = 0;
-               test = tmp + 1;
-               count++;
-       }
-
+       for(i=strlen(path_list); i > 0; i--) 
+               if (path_list[i]==':') {
+                       path_list[i]=0;
+                       count++;
+               }
 
        while(argc-- > 0) { 
-               int i;
-               int found = FALSE;
-               test = path_parsed;
+               path_n = path_list;
                argv++;
                for (i = 0; i < count; i++) {
-                       strcpy (buf, test);
+                       char buf[strlen(path_n)+1+strlen(*argv)];
+                       strcpy (buf, path_n);
                        strcat (buf, "/");
                        strcat (buf, *argv);
                        if (stat (buf, &filestat) == 0
                            && filestat.st_mode & S_IXUSR)
                        {
-                               found = TRUE;
+                               printf ("%s\n", buf);
                                break;
                        }
-                       test += (strlen(test) + 1);
-               }
-               if (found == TRUE)
-                       printf ("%s\n", buf);
-               else
-               {
-                       printf ("which: no %s in (%s)\n", *argv, path_list);
-                       exit (FALSE);
+                       path_n += (strlen(path_n) + 1);
                }
        }
        return(TRUE);

diff --git a/which.c b/which.c
index 07c0e0d85fdfc6dd99a3e8f551d6ff8e4f9b84cd..dc162dca5658585bb15d3ebad8bb292d695dccba 100644 (file)
--- a/which.c
+++ b/which.c
@@ -23,14 +23,12 @@
 
 #include "internal.h"
 #include <stdio.h>
-#include <sys/param.h>
 
 extern int which_main(int argc, char **argv)
 {
-       char *path_list, *test, *tmp, *path_parsed;
-       char buf[PATH_MAX];
+       char *path_list, *path_n;
        struct stat filestat;
-       int count = 0;
+       int i, count=0;
 
        if (argc <= 1 || **(argv + 1) == '-')
                usage(which_usage);
@@ -40,45 +38,28 @@ extern int which_main(int argc, char **argv)
        if (!path_list)
                path_list = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin";
 
-       path_parsed = xmalloc (strlen(path_list) + 1);
-       strcpy (path_parsed, path_list);
-
        /* Replace colons with zeros in path_parsed and count them */
-       count = 1;
-       test = path_parsed;
-       while (1) {
-               tmp = strchr(test, ':');
-               if (tmp == NULL)
-                       break;
-               *tmp = 0;
-               test = tmp + 1;
-               count++;
-       }
-
+       for(i=strlen(path_list); i > 0; i--) 
+               if (path_list[i]==':') {
+                       path_list[i]=0;
+                       count++;
+               }
 
        while(argc-- > 0) { 
-               int i;
-               int found = FALSE;
-               test = path_parsed;
+               path_n = path_list;
                argv++;
                for (i = 0; i < count; i++) {
-                       strcpy (buf, test);
+                       char buf[strlen(path_n)+1+strlen(*argv)];
+                       strcpy (buf, path_n);
                        strcat (buf, "/");
                        strcat (buf, *argv);
                        if (stat (buf, &filestat) == 0
                            && filestat.st_mode & S_IXUSR)
                        {
-                               found = TRUE;
+                               printf ("%s\n", buf);
                                break;
                        }
-                       test += (strlen(test) + 1);
-               }
-               if (found == TRUE)
-                       printf ("%s\n", buf);
-               else
-               {
-                       printf ("which: no %s in (%s)\n", *argv, path_list);
-                       exit (FALSE);
+                       path_n += (strlen(path_n) + 1);
                }
        }
        return(TRUE);