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Get rid of some segfaults (#10)

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Alcaro
2018-04-21 09:09:56 +02:00
parent 55e85b3113
commit 9d504b2852
1 changed files with 6 additions and 3 deletions
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9
libbps.cpp
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@@ -223,7 +223,9 @@ exit:
if (outlen==outbuflen) \
{ \
outbuflen*=2; \
out=(uint8_t*)realloc(out, outbuflen); \
uint8_t* newout=(uint8_t*)realloc(out, outbuflen); \
if (!newout) { free(out); return bps_out_of_mem; } \
out=newout; \
} \
} while(0)
#define write32(val) \
@@ -267,6 +269,7 @@ enum bpserror bps_create_linear(struct mem sourcemem, struct mem targetmem, stru
size_t outbuflen=4096;
uint8_t * out=(uint8_t*)malloc(outbuflen);
if (!out) return bps_out_of_mem;
size_t outlen=0;
write('B');
write('P');
@@ -374,8 +377,8 @@ enum bpserror bps_create_linear(struct mem sourcemem, struct mem targetmem, stru
patchmem->ptr=out;
patchmem->len=outlen;
//while this may look like it can be fooled by a patch containing one of any other command, it
// can't, because the ones that aren't SourceRead requires an argument.
//while this may look like it can be fooled by a patch containing exactly one of any other command, it
// can't, because the ones that aren't SourceRead requires an argument
size_t i;
for (i=mainContentPos;(out[i]&0x80)==0x00;i++) {}
if (i==outlen-12-1) return bps_identical;