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disp_hcms29xx: Fix string truncation warning

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The strlcpy() function ensures there is always a NUL character
at the end of the string. Hence it is safer as strncpy() and it avoids the
compiler warning
This commit is contained in:
Frank Kühndel
2020-10-05 16:28:24 +02:00
committed by Sebastian Huber
parent 0007d65f72
commit f28a6defd1
1 changed files with 3 additions and 4 deletions
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7
bsps/shared/dev/display/disp_hcms29xx.c
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@@ -589,10 +589,9 @@ static rtems_task disp_hcms29xx_update_task
RTEMS_WAIT,RTEMS_NO_TIMEOUT); RTEMS_WAIT,RTEMS_NO_TIMEOUT);
} }
if (rc == RTEMS_SUCCESSFUL) { if (rc == RTEMS_SUCCESSFUL) {
strncpy(softc_ptr->disp_param.disp_buffer, strlcpy(softc_ptr->disp_param.disp_buffer,
softc_ptr->disp_param.trns_buffer, softc_ptr->disp_param.trns_buffer,
sizeof(softc_ptr->disp_param.disp_buffer)); sizeof(softc_ptr->disp_param.disp_buffer));
softc_ptr->disp_param.disp_buffer[sizeof(softc_ptr->disp_param.disp_buffer)-1] = '\0';
softc_ptr->disp_param.disp_buf_cnt = softc_ptr->disp_param.disp_buf_cnt =
(int) strlen(softc_ptr->disp_param.disp_buffer); (int) strlen(softc_ptr->disp_param.disp_buffer);
} }