Mercurial > hg > octave-nkf > gnulib-hg
changeset 5304:707482f5c106
(mode_compile): Don't decrement a pointer that
points to the start of a string, as the C Standard says the
resulting behavior is undefined.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Mon, 04 Oct 2004 04:24:47 +0000 |
| parents | 1e92d75c6d3a |
| children | 077fc6e8f1ce |
| files | lib/modechange.c |
| diffstat | 1 files changed, 7 insertions(+), 4 deletions(-) [+] |
line wrap: on
line diff
--- a/lib/modechange.c +++ b/lib/modechange.c @@ -211,10 +211,9 @@ umask_value = umask (0); umask (umask_value); /* Restore the old value. */ - --mode_string; /* One loop iteration for each "ugoa...=+-rwxXstugo...[=+-rwxXstugo...]". */ - do + for (;; mode_string++) { /* Which bits in the mode are operated on. */ mode_t affected_bits = 0; @@ -226,7 +225,7 @@ bool who_specified_p; /* Turn on all the bits in `affected_bits' for each group given. */ - for (++mode_string;; ++mode_string) + for (;; mode_string++) switch (*mode_string) { case 'u': @@ -349,7 +348,11 @@ } no_more_values:; } - } while (*mode_string == ','); + + if (*mode_string != ',') + break; + } + if (*mode_string == 0) return head; invalid: