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card_emu: Fail with assert in case next_tpdu_state from wrong state

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This commit is contained in:
Harald Welte
2015-11-14 13:31:11 +01:00
parent 612d65ad62
commit 4c473dad30
1 changed files with 8 additions and 0 deletions
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8
firmware/src_simtrace/card_emu.c
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@@ -17,6 +17,7 @@
* *
*/ */
#include <assert.h>
#include <errno.h> #include <errno.h>
#include <string.h> #include <string.h>
#include <stdint.h> #include <stdint.h>
@@ -286,6 +287,10 @@ process_byte_pts(struct card_handle *ch, uint8_t byte)
/* FIXME: check PCK */ /* FIXME: check PCK */
memcpy(ch->pts.resp, ch->pts.req, sizeof(ch->pts.resp)); memcpy(ch->pts.resp, ch->pts.req, sizeof(ch->pts.resp));
break; break;
default:
TRACE_DEBUG("process_byte_pts() in invalid state %u\n",
ch->pts.state);
break;
} }
/* calculate the next state and set it */ /* calculate the next state and set it */
set_pts_state(ch, next_pts_state(ch)); set_pts_state(ch, next_pts_state(ch));
@@ -412,6 +417,9 @@ static enum tpdu_state next_tpdu_state(struct card_handle *ch)
case TPDU_S_WAIT_TX: case TPDU_S_WAIT_TX:
return TPDU_S_WAIT_TX; return TPDU_S_WAIT_TX;
} }
/* we should never reach here */
assert(0);
return -1;
} }
static void send_tpdu_header(struct card_handle *ch) static void send_tpdu_header(struct card_handle *ch)