vo_opengl: check shader string before sscanfing it

This commit is contained in:
Kevin Mitchell 2015-11-19 08:12:51 -08:00
parent 94147762fc
commit 368431f57c
1 changed files with 1 additions and 1 deletions

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@ -475,7 +475,7 @@ void mpgl_load_functions2(GL *gl, void *(*get_fn)(void *ctx, const char *n),
} else {
gl->glsl_version = 110;
int glsl_major = 0, glsl_minor = 0;
if (sscanf(shader, "%d.%d", &glsl_major, &glsl_minor) == 2)
if (shader && sscanf(shader, "%d.%d", &glsl_major, &glsl_minor) == 2)
gl->glsl_version = glsl_major * 100 + glsl_minor;
// GLSL 400 defines "sample" as keyword - breaks custom shaders.
gl->glsl_version = MPMIN(gl->glsl_version, 330);