commit 82f977c0b5c1ba668af97c64a19579d37f0e4923
author Ryan C. Gordon <icculus@icculus.org> Mon Jun 25 12:55:23 2018 -0400
committer Ryan C. Gordon <icculus@icculus.org> Mon Jun 25 12:55:23 2018 -0400
tree 61e50ed255043df58d9d5de6dd4bd5179126faaf
parent ecd3391777c0f976122b72c779de7a5027c87fac

Deal with possible malloc(0) calls, as pointed out by static analysis.

src/audio/SDL_audiocvt.c

diff --git a/src/audio/SDL_audiocvt.c b/src/audio/SDL_audiocvt.c
index 7fde2b9..ee0ba32 100644
--- a/src/audio/SDL_audiocvt.c
+++ b/src/audio/SDL_audiocvt.c
@@ -724,7 +724,7 @@
     SDL_assert(format == AUDIO_F32SYS);
 
     /* we keep no streaming state here, so pad with silence on both ends. */
-    padding = (float *) SDL_calloc(paddingsamples, sizeof (float));
+    padding = (float *) SDL_calloc(paddingsamples ? paddingsamples : 1, sizeof (float));
     if (!padding) {
         SDL_OutOfMemory();
         return;
@@ -1291,7 +1291,7 @@
     retval->packetlen = packetlen;
     retval->rate_incr = ((double) dst_rate) / ((double) src_rate);
     retval->resampler_padding_samples = ResamplerPadding(retval->src_rate, retval->dst_rate) * pre_resample_channels;
-    retval->resampler_padding = (float *) SDL_calloc(retval->resampler_padding_samples, sizeof (float));
+    retval->resampler_padding = (float *) SDL_calloc(retval->resampler_padding_samples ? retval->resampler_padding_samples : 1, sizeof (float));
 
     if (retval->resampler_padding == NULL) {
         SDL_FreeAudioStream(retval);