octoleo/lsyncd
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refactor code to use execv instead of execl.

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This commit is contained in:
Junichi Uekawa 2008-10-23 14:07:57 +00:00
parent e6782df02d
commit c04d167c76
1 changed files with 28 additions and 8 deletions
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36
lsyncd.c
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@ -354,11 +354,30 @@ bool rsync(char const * src, const char * dest, bool recursive)
pid_t pid;
int status;
char const * opts = recursive ? "-ltr" : "-ltd";
const int MAX_ARGS = 100;
char * argv[MAX_ARGS];
int argc=0;
int i;
argv[argc++] = s_strdup(rsync_binary);
argv[argc++] = s_strdup("--delete");
argv[argc++] = s_strdup(opts);
if (exclude_file) {
printlogf(LOG_DEBUG, "exec %s(%s,%s,%s,%s,%s,%s)", rsync_binary, "--delete", opts, "--exclude-from", exclude_file, src, dest);
} else {
printlogf(LOG_DEBUG, "exec %s(%s,%s,%s,%s)", rsync_binary, "--delete", opts, src, dest);
argv[argc++] = s_strdup("--exclude-from");
argv[argc++] = s_strdup(exclude_file);
}
argv[argc++] = s_strdup(src);
argv[argc++] = s_strdup(dest);
argv[argc++] = NULL;
if (argc > MAX_ARGS) { /* check for error condition */
printlogf(LOG_ERROR, "Internal error: too many (%i) options passed", argc);
return false;
}
/* debug dump of command-line options */
for (i=0; i<argc; ++i) {
printlogf(LOG_DEBUG, "exec parameter %i:%s", i, argv[i]);
}
if (flag_dryrun) {
@ -373,17 +392,18 @@ bool rsync(char const * src, const char * dest, bool recursive)
freopen(logfile, "a", stderr);
}
if (exclude_file) {
execl(rsync_binary, rsync_binary, "--delete", opts, "--exclude-from", exclude_file, src, dest, NULL);
} else {
execl(rsync_binary, rsync_binary, "--delete", opts, src, dest, NULL);
}
execv(rsync_binary, argv);
printlogf(LOG_ERROR, "Failed executing [%s]", rsync_binary);
exit(-1);
}
for (i=0; i<argc; ++i) {
if (argv[i])
free(argv[i]);
}
waitpid(pid, &status, 0);
assert(WIFEXITED(status));
if (WEXITSTATUS(status)){