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fixed bug with non-executable tings of same name in path introduced by checkig errno

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after stat(2).
This commit is contained in:
Todd C. Miller
1993-09-08 15:39:08 +00:00
parent 5ae9d330e1
commit fde49b4c75
1 changed files with 5 additions and 3 deletions
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8
find_path.c
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@@ -77,7 +77,8 @@ char *find_path(file)
register char *n; /* for traversing path */
char *path = NULL; /* contents of PATH env var */
char fn[MAXPATHLEN+1]; /* filename (path + file) */
struct stat statbuf; /* for stat() */
struct stat statbuf; /* for stat(2) */
int statfailed; /* stat(2) return value */
char *qualify();
if (strlen(file) > MAXPATHLEN) {
@@ -105,9 +106,10 @@ char *find_path(file)
strcat(fn, file);
/* stat the file to make sure it exists and is executable */
if (!stat(fn, &statbuf) && (statbuf.st_mode & 0000111))
statfailed = stat(fn, &statbuf);
if (!statfailed && (statbuf.st_mode & 0000111))
return (qualify(fn));
else if (errno == ENOENT || errno == ENOTDIR)
else if (!statfailed || errno == ENOENT || errno == ENOTDIR)
path=n+1;
else {
perror("find_path: stat");