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replace fprintf by ERROR call in lxc_unshare.c

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Do it except for the usage functions that will be removed by another patch

This is a follow on a previous patch that treated
all src/lxc/lxc_*.c but this file.

Signed-off-by: Michel Normand <normand@fr.ibm.com>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
This commit is contained in:
Michel Normand 2009-05-14 15:11:40 +02:00 committed by Daniel Lezcano
parent 1615dc39e2
commit d00184d361
1 changed files with 11 additions and 9 deletions
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20
src/lxc/lxc_unshare.c
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@ -34,6 +34,8 @@
#include <lxc/lxc.h>
lxc_log_define(lxc_unshare, lxc);
void usage(char *cmd)
{
fprintf(stderr, "%s <options> [command]\n", basename(cmd));
@ -67,13 +69,13 @@ static uid_t lookup_user(const char *optarg)
return uid;
if (getpwnam_r(name, &pwent, buff, bufflen, &pent) || !pent) {
fprintf(stderr, "invalid username %s\n", name);
ERROR("invalid username %s", name);
return uid;
}
uid = pent->pw_uid;
} else {
if (getpwuid_r(uid, &pwent, buff, bufflen, &pent) || !pent) {
fprintf(stderr, "invalid uid %d\n", uid);
ERROR("invalid uid %d", uid);
uid = -1;
return uid;
}
@ -131,45 +133,45 @@ int main(int argc, char *argv[])
pid = fork_ns(flags);
if (pid < 0) {
fprintf(stderr, "failed to fork into a new namespace: %s\n",
ERROR("failed to fork into a new namespace: %s",
strerror(errno));
return 1;
}
if (!pid) {
if (flags & CLONE_NEWUSER && setuid(uid)) {
fprintf(stderr, "failed to set uid %d: %s\n",
ERROR("failed to set uid %d: %s",
uid, strerror(errno));
exit(1);
}
execvp(args[0], args);
fprintf(stderr, "failed to exec: '%s': %s\n",
ERROR("failed to exec: '%s': %s",
argv[0], strerror(errno));
exit(1);
}
if (waitpid(pid, &status, 0) < 0)
fprintf(stderr, "failed to wait for '%d'\n", pid);
ERROR("failed to wait for '%d'", pid);
return status;
}
if (unshare_ns(flags)) {
fprintf(stderr, "failed to unshare the current process: %s\n",
ERROR("failed to unshare the current process: %s",
strerror(errno));
return 1;
}
if (flags & CLONE_NEWUSER && setuid(uid)) {
fprintf(stderr, "failed to set uid %d: %s\n",
ERROR("failed to set uid %d: %s",
uid, strerror(errno));
return 1;
}
if (argv[optind] && strlen(argv[optind])) {
execvp(args[0], args);
fprintf(stderr, "failed to exec: '%s': %s\n",
ERROR("failed to exec: '%s': %s",
argv[0], strerror(errno));
return 1;
}