src/lib/libc/gen/getcwd.c - diff

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version 1.32, 2003/08/07 16:42:49

version 1.33, 2005/01/06 00:07:41

Line 222 getcwd(pt, size)

ino_t root_ino;

size_t ptsize, upsize;

int save_errno;

char *ept, *eup, *up;

char *ept, *eup, *up, *nup;

size_t dlen;

Line 246 getcwd(pt, size)

*bpt = '\0';

* Allocate bytes (1024 - malloc space) for the string of "../"'s.

* Allocate bytes for the string of "../"'s.

* Should always be enough (it's 340 levels). If it's not, allocate

* as necessary. Special case the first stat, it's ".", not "..".

if ((up = malloc(upsize = 1024 - 4)) == NULL)

if ((up = malloc(upsize = MAXPATHLEN)) == NULL)

goto err;

eup = up + MAXPATHLEN;

eup = up + upsize;

bup = up;

up[0] = '.';

up[1] = '\0';

Line 292 getcwd(pt, size)

* as necessary. Max length is 3 for "../", the largest

* possible component name, plus a trailing NULL.

if (bup + 3 + MAXNAMLEN + 1 >= eup) {

if ((up = realloc(up, upsize *= 2)) == NULL)

if ((nup = realloc(up, upsize *= 2)) == NULL)

goto err;

bup = up;

bup = nup + (buf - up);

up = nup;

eup = up + upsize;

}

*bup++ = '.';