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修复读到文件末尾时read_num出错

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fumiama
2021-06-07 19:41:31 +08:00
parent d50ce244c8
commit 121ac13c59
1 changed files with 4 additions and 2 deletions
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6
protobuf.c
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@@ -10,8 +10,9 @@ static uint32_t read_num(FILE* fp) {
uint8_t i = 0;
do {
c = fgetc(fp);
n |= (c & 0x7f) << (7 * i++);
} while(c & 0x80);
if(feof(fp)) return n;
else n |= (c & 0x7f) << (7 * i++);
} while((c & 0x80));
return n;
}
@@ -46,6 +47,7 @@ SIMPLE_PB* get_pb(FILE* fp) {
while(p < end) {
uint32_t offset = read_num(fp);
uint32_t data_len = read_num(fp);
printf("offset: %u, datlen: %u\n", offset, data_len);
if(data_len > 0) fread(p, data_len, 1, fp);
p += offset;
}