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Compatibility fix for some older systems with non-POSIX getgrnam_r/getpwnam_r

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and a minor style fix for the hash function.
This commit is contained in:
Tim Kientzle 2009-12-28 02:09:57 +00:00
parent 94cb976997
commit 96de948146
1 changed files with 4 additions and 2 deletions
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6
lib/libarchive/archive_write_disk_set_standard_lookup.c
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@ -125,6 +125,7 @@ lookup_gid(void *private_data, const char *gname, gid_t gid)
int r;
for (;;) {
result = &grent; /* Old getgrnam_r ignores last arg. */
r = getgrnam_r(gname, &grent, buffer, bufsize, &result);
if (r == 0)
break;
@ -184,6 +185,7 @@ lookup_uid(void *private_data, const char *uname, uid_t uid)
int r;
for (;;) {
result = &pwent; /* Old getpwnam_r ignores last arg. */
r = getpwnam_r(uname, &pwent, buffer, bufsize, &result);
if (r == 0)
break;
@ -230,8 +232,8 @@ hash(const char *p)
as used by ELF for hashing function names. */
unsigned g, h = 0;
while (*p != '\0') {
h = ( h << 4 ) + *p++;
if (( g = h & 0xF0000000 )) {
h = (h << 4) + *p++;
if ((g = h & 0xF0000000) != 0) {
h ^= g >> 24;
h &= 0x0FFFFFFF;
}