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#include "cftw.h"
#include <dynstr.h>
#include <dirent.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
int cftw(const char *const dirpath, int (*const fn)(const char *,
const struct stat *, void *), void *const user)
{
int ret = -1;
DIR *const d = opendir(dirpath);
struct dirent *de;
if (!d)
{
fprintf(stderr, "%s: opendir(2): %s\n", __func__, strerror(errno));
goto end;
}
while ((de = readdir(d)))
{
const char *const path = de->d_name;
if (!strcmp(path, ".") || !strcmp(path, ".."))
continue;
struct stat sb;
struct dynstr d;
dynstr_init(&d);
if (dynstr_append(&d, "%s/%s", dirpath, path))
{
fprintf(stderr, "%s: dynstr_append failed\n", __func__);
return -1;
}
const int r = stat(d.str, &sb);
if (r)
fprintf(stderr, "%s: stat(2) %s: %s\n",
__func__, path, strerror(errno));
else if (S_ISDIR(sb.st_mode))
ret = cftw(d.str, fn, user);
else if (S_ISREG(sb.st_mode))
ret = fn(d.str, &sb, user);
else
fprintf(stderr, "%s: unexpected st_mode %ju\n",
__func__, (uintmax_t)sb.st_mode);
dynstr_free(&d);
if (ret)
goto end;
}
ret = 0;
end:
if (d && closedir(d))
{
fprintf(stderr, "%s: closedir(2): %s\n", __func__, strerror(errno));
ret = -1;
}
return ret;
}
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