diff options
Diffstat (limited to 'Build/source/texk/kpathsea/readable.c')
| -rw-r--r-- | Build/source/texk/kpathsea/readable.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Build/source/texk/kpathsea/readable.c b/Build/source/texk/kpathsea/readable.c index a6dc1233f1a..8f4f94fa8c7 100644 --- a/Build/source/texk/kpathsea/readable.c +++ b/Build/source/texk/kpathsea/readable.c @@ -43,19 +43,20 @@ READABLE(kpathsea kpse, const_string fn, unsigned int st) wchar_t *fnw; unsigned char *fnn; unsigned char *p; + size_t len = strlen(fn); - fnn = xmalloc(strlen(fn) + 10); + fnn = xmalloc(len + 10); /* Support very long input path name, longer than _MAX_PATH for Windows, if it really exists and input name is given in full-absolute path in a command line. */ - if ((fn[0] == '/' && fn[1] == '/') || - (fn[0] == '\\' && fn[1] == '\\' && fn[2] != '?')) { + if (len > 2 && ((fn[0] == '/' && fn[1] == '/') || + (fn[0] == '\\' && fn[1] == '\\' && fn[2] != '?'))) { fn += 2; strcpy (fnn, "\\\\?\\UNC\\"); strcat (fnn, fn); - } else if (fn[1] == ':') { + } else if (len > 2 && fn[1] == ':') { strcpy (fnn, "\\\\?\\"); strcat (fnn, fn); } else { |