diff options
Diffstat (limited to 'libc/stdlib/realpath.c')
| -rw-r--r-- | libc/stdlib/realpath.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/libc/stdlib/realpath.c b/libc/stdlib/realpath.c index d053cfcaf..73903371f 100644 --- a/libc/stdlib/realpath.c +++ b/libc/stdlib/realpath.c @@ -22,7 +22,7 @@ #include <stdio.h> #include <string.h> #include <strings.h> -#include <limits.h> /* for PATH_MAX */ +#include <limits.h> /* for PATH_MAX */ #include <sys/param.h> /* for MAXPATHLEN */ #include <errno.h> @@ -43,23 +43,23 @@ #define MAX_READLINKS 32 #ifdef __STDC__ -char *realpath(const char *path, char resolved_path []) +char *realpath(const char *path, char resolved_path[]) #else char *realpath(path, resolved_path) const char *path; -char resolved_path []; +char resolved_path[]; #endif { char copy_path[PATH_MAX]; char link_path[PATH_MAX]; - char got_path [PATH_MAX]; + char got_path[PATH_MAX]; char *new_path = got_path; char *max_path; int readlinks = 0; int n; /* Make a copy of the source path since we may need to modify it. */ - if (strlen(path)>=PATH_MAX-2) { + if (strlen(path) >= PATH_MAX - 2) { errno = ENAMETOOLONG; return NULL; } @@ -78,8 +78,7 @@ char resolved_path []; new_path += strlen(new_path); if (new_path[-1] != '/') *new_path++ = '/'; - } - else { + } else { *new_path++ = '/'; path++; } @@ -103,8 +102,7 @@ char resolved_path []; if (new_path == got_path + 1) continue; /* Handle ".." by backing up. */ - while ((--new_path)[-1] != '/') - ; + while ((--new_path)[-1] != '/'); continue; } } @@ -131,11 +129,10 @@ char resolved_path []; if (errno != EINVAL) { /* Make sure it's null terminated. */ *new_path = '\0'; - strcpy (resolved_path, got_path); + strcpy(resolved_path, got_path); return NULL; } - } - else { + } else { /* Note: readlink doesn't add the null byte. */ link_path[n] = '\0'; if (*link_path == '/') @@ -143,10 +140,9 @@ char resolved_path []; new_path = got_path; else /* Otherwise back up over this component. */ - while (*(--new_path) != '/') - ; + while (*(--new_path) != '/'); /* Safe sex check. */ - if (strlen(path) + n >= PATH_MAX-2) { + if (strlen(path) + n >= PATH_MAX - 2) { errno = ENAMETOOLONG; return NULL; } @@ -155,7 +151,7 @@ char resolved_path []; strcpy(copy_path, link_path); path = copy_path; } -#endif /* S_IFLNK */ +#endif /* S_IFLNK */ *new_path++ = '/'; } /* Delete trailing slash but don't whomp a lone slash. */ @@ -163,6 +159,6 @@ char resolved_path []; new_path--; /* Make sure it's null terminated. */ *new_path = '\0'; - strcpy (resolved_path, got_path); + strcpy(resolved_path, got_path); return resolved_path; } |