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libopensc: calling sc_context_create without parameters is not allowed

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git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@5120 c6295689-39f2-0310-b995-f0e70906c6a9
This commit is contained in:
martin 2011-01-22 12:53:09 +00:00
parent dac7b9f750
commit 2b04b0c328
1 changed files with 3 additions and 3 deletions
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6
src/libopensc/ctx.c
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@ -595,7 +595,7 @@ int sc_context_create(sc_context_t **ctx_out, const sc_context_param_t *parm)
struct _sc_ctx_options opts;
int r;
if (ctx_out == NULL)
if (ctx_out == NULL || parm == NULL)
return SC_ERROR_INVALID_ARGUMENTS;
ctx = calloc(1, sizeof(sc_context_t));
@ -604,7 +604,7 @@ int sc_context_create(sc_context_t **ctx_out, const sc_context_param_t *parm)
memset(&opts, 0, sizeof(opts));
/* set the application name if set in the parameter options */
if (parm != NULL && parm->app_name != NULL)
if (parm->app_name != NULL)
ctx->app_name = strdup(parm->app_name);
else
ctx->app_name = strdup("default");
@ -617,7 +617,7 @@ int sc_context_create(sc_context_t **ctx_out, const sc_context_param_t *parm)
list_init(&ctx->readers);
list_attributes_seeker(&ctx->readers, reader_list_seeker);
/* set thread context and create mutex object (if specified) */
if (parm != NULL && parm->thread_ctx != NULL)
if (parm->thread_ctx != NULL)
ctx->thread_ctx = parm->thread_ctx;
r = sc_mutex_create(ctx, &ctx->mutex);
if (r != SC_SUCCESS) {