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Replace snprintf for printing file size

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Arun Prakash Jana 2019-07-05 01:13:55 +05:30
parent bf28a096ba
commit d5408c4e9f
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GPG key ID: A75979F35C080412
1 changed files with 23 additions and 4 deletions
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src/nnn.c
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@ -2133,6 +2133,7 @@ static char *coolsize(off_t size)
const char * const U = "BKMGTPEZY";
static char size_buf[12]; /* Buffer to hold human readable size */
off_t rem = 0;
size_t ret;
int i = 0;
while (size >= 1024) {
@ -2177,10 +2178,28 @@ static char *coolsize(off_t size)
rem /= 10;
}
if (i > 0 && i < 6)
snprintf(size_buf, 12, "%u.%0*u%c", (uint)size, i & 0b11, (uint)rem, U[i]);
else
snprintf(size_buf, 12, "%u%c", (uint)size, U[i]);
if (i > 0 && i < 6) {
ret = xstrlcpy(size_buf, xitoa(size), 11);
size_buf[ret - 1] = '.';
char *frac = xitoa(rem);
size_t toprint = i > 3 ? 3 : i;
size_t len = strlen(frac);
if (len < toprint) {
size_buf[ret] = size_buf[ret + 1] = size_buf[ret + 2] = '0';
xstrlcpy(size_buf + ret + (toprint - len), frac, (toprint - len) + 1);
} else
xstrlcpy(size_buf + ret, frac, toprint + 1);
ret += toprint;
} else {
ret = xstrlcpy(size_buf, size ? xitoa(size) : "0", 10);
--ret;
}
size_buf[ret] = U[i];
size_buf[ret + 1] = '\0';
return size_buf;
}