diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/dl-origin.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-origin.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-origin.h b/sysdeps/unix/sysv/linux/dl-origin.h index f5a92379db..5654b42a2f 100644 --- a/sysdeps/unix/sysv/linux/dl-origin.h +++ b/sysdeps/unix/sysv/linux/dl-origin.h @@ -37,13 +37,15 @@ get_origin (void) result = (char *) malloc (last_slash - linkval + 1); if (result == NULL) result = (char *) -1; + else if (last_slash == linkval) + memcpy (result, "/", 2); else *((char *) __mempcpy (result, linkval, last_slash - linkval)) = '\0'; } else { result = (char *) -1; - /* We use te environment variable LD_ORIGIN_PATH. If it is set make + /* We use the environment variable LD_ORIGIN_PATH. If it is set make a copy and strip out trailing slashes. */ if (_dl_origin_path != NULL) { @@ -54,7 +56,7 @@ get_origin (void) else { char *cp = __mempcpy (result, _dl_origin_path, len); - while (cp > result && cp[-1] == '/') + while (cp > result + 1 && cp[-1] == '/') --cp; *cp = '\0'; } |