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which: handle relative/absolute pathnames

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This commit is contained in:
Pieter Kockx 2017-10-11 03:12:31 +02:00 committed by Michael Forney
parent d15f49e715
commit 5b66e55a83
1 changed files with 10 additions and 1 deletions
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11
which.c
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@ -21,6 +21,15 @@ which(const char *path, const char *name)
struct stat st;
int dirfd, found = 0;
if (strchr(name, '/')) {
if (!fstatat(AT_FDCWD, name, &st, 0) &&
S_ISREG(st.st_mode) &&
!access(name, X_OK)) {
puts(name);
return 1;
}
}
ptr = p = enstrdup(3, path);
len = strlen(p);
for (i = 0; i < len + 1; i++) {
@ -80,7 +89,7 @@ main(int argc, char *argv[])
if (which(path, *argv)) {
found = 1;
} else {
weprintf("%s: command not found.\n", *argv);
weprintf("%s: not an external command\n", *argv);
foundall = 0;
}
}