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Simplify and remove dependence on PATH_MAX

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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.
This commit is contained in:
Glenn L McGrath 2000-09-18 09:37:40 +00:00
parent b2f36af157
commit 63dde9d4ce
2 changed files with 24 additions and 62 deletions
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43
findutils/which.c
View File

@ -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);

43
which.c
View File

@ -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);