diff options
Diffstat (limited to 'usr.bin/more/ncommand.c')
| -rw-r--r-- | usr.bin/more/ncommand.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/usr.bin/more/ncommand.c b/usr.bin/more/ncommand.c index 705afa0..0313f60 100644 --- a/usr.bin/more/ncommand.c +++ b/usr.bin/more/ncommand.c @@ -666,7 +666,10 @@ getvar(var, len) } /* - * Set variable var to val. Returns -1 on failure, 0 on success. + * Set variable var to val. Both var and val may be destroyed by the + * caller after setvar(). + * + * Returns -1 on failure, 0 on success. */ int setvar(var, val) @@ -698,15 +701,21 @@ setvar(var, val) /* Need to add another variable to the list vble_l */ if (!FMALLOC(strlen(var) + 1, var_n)) return -1; - if (!FMALLOC(strlen(val) + 1, val_n)) + if (!FMALLOC(strlen(val) + 1, val_n)) { + free(var_n); return -1; + } if (!vble_l) { - if (!FMALLOC(sizeof(struct vble), vble_l)) + if (!FMALLOC(sizeof(struct vble), vble_l)) { + free(var_n), free(val_n); return -1; + } i = vble_l; } else { - if (!FMALLOC(sizeof(struct vble), last->next)) + if (!FMALLOC(sizeof(struct vble), last->next)) { + free(var_n), free(val_n); return -1; + } i = last->next; } i->next = NULL; |
