string: Introduce arr_realloc() and check for integer overflow.

[paraslash.git] / amp_filter.c

diff --git a/amp_filter.c b/amp_filter.c
index f3d0d87d45f077d901d5f4cb98c20dc9a3099547..3f0aa11e34d061b584da3e21655124564078d5fc 100644 (file)
--- a/amp_filter.c
+++ b/amp_filter.c
@@ -1,8 +1,4 @@
-/*
- * Copyright (C) 2009 Andre Noll <maan@tuebingen.mpg.de>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2009 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
 
 /** \file amp_filter.c Paraslash's amplify filter. */
 
@@ -33,14 +29,14 @@ static void amp_close(struct filter_node *fn)
 
 static void amp_open(struct filter_node *fn)
 {
-       struct private_amp_data *pad = para_calloc(sizeof(*pad));
+       struct private_amp_data *pad = zalloc(sizeof(*pad));
        unsigned given = FILTER_CMD_OPT_GIVEN(AMP, AMP, fn->lpr);
        uint32_t amp_arg = FILTER_CMD_OPT_UINT32_VAL(AMP, AMP, fn->lpr);
 
        fn->private_data = pad;
        fn->min_iqs = 2;
-       if (!given && stat_item_values[SI_AMPLIFICATION])
-               sscanf(stat_item_values[SI_AMPLIFICATION], "%u", &pad->amp);
+       if (!given && stat_item_values[SI_amplification])
+               sscanf(stat_item_values[SI_amplification], "%u", &pad->amp);
        else
                pad->amp = amp_arg;
        PARA_INFO_LOG("amplification: %u (scaling factor: %1.2f)\n",
@@ -78,7 +74,7 @@ next_buffer:
        if (inplace)
                out = in;
        else
-               out = para_malloc(len * 2);
+               out = alloc(len * 2);
 
        for (i = 0; i < len; i++) {
                int x = (in[i] * factor) >> 6;