diff options
Diffstat (limited to 'libgamma_gamma_ramps16_initialise.c')
| -rw-r--r-- | libgamma_gamma_ramps16_initialise.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libgamma_gamma_ramps16_initialise.c b/libgamma_gamma_ramps16_initialise.c index 08d242b..63823fd 100644 --- a/libgamma_gamma_ramps16_initialise.c +++ b/libgamma_gamma_ramps16_initialise.c @@ -16,6 +16,14 @@ int libgamma_gamma_ramps16_initialise(struct libgamma_gamma_ramps16 *restrict this) { size_t n = this->red_size + this->green_size + this->blue_size; + if (!n) { + this->red = this->green = this->blue = NULL; + return 0; + } + if (n > SIZE_MAX / sizeof(*this->red)) { + errno = ENOMEM; + return -1; + } #ifdef HAVE_LIBGAMMA_METHOD_LINUX_DRM /* Valgrind complains about us reading uninitialize memory if we just use malloc */ this->red = calloc(n, sizeof(*this->red)); |