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AP_HAL_Linux: fix warning due to limited storage

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ardupilot/libraries/AP_HAL_Linux/Storage_FRAM.cpp: In member
function 'int32_t Linux::Storage_FRAM::read(uint16_t, uint8_t*, uint16_t)':
/home/lucas/p/dronecode/ardupilot/libraries/AP_HAL_Linux/Storage_FRAM.cpp:183:24: war
ning: comparison is always false due to limited range of data type [-Wtype-limits]
         if(Buff[i-fptr]==-1){
                        ^
This commit is contained in:
Lucas De Marchi 2015-10-22 15:34:40 -02:00 committed by Andrew Tridgell
parent 11b599bcd0
commit b326856635
1 changed files with 2 additions and 1 deletions
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3
libraries/AP_HAL_Linux/Storage_FRAM.cpp
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@ -5,6 +5,7 @@
#include <sys/types.h> #include <sys/types.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <fcntl.h> #include <fcntl.h>
#include <inttypes.h>
#include <unistd.h> #include <unistd.h>
#include <errno.h> #include <errno.h>
#include <stdio.h> #include <stdio.h>
@ -180,7 +181,7 @@ int32_t Storage_FRAM::read(uint16_t fd, uint8_t *Buff, uint16_t NumBytes){
for(uint16_t i=fptr;i<(fptr+NumBytes);i++){ for(uint16_t i=fptr;i<(fptr+NumBytes);i++){
Buff[i-fptr]= _register_read(i,OPCODE_READ); Buff[i-fptr]= _register_read(i,OPCODE_READ);
if(Buff[i-fptr]==-1){ if(Buff[i-fptr]==UINT8_MAX){
return -1; return -1;
} }
} }