sbase/util/recurse.c

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/* See LICENSE file for copyright and license details. */
#include <dirent.h>
#include <limits.h>
#include <stdio.h>
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#include <stdlib.h>
#include <string.h>
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#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
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#include "../util.h"
void
recurse(const char *path, void (*fn)(const char *))
{
char buf[PATH_MAX], *p;
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struct dirent *d;
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struct stat st;
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DIR *dp;
if(lstat(path, &st) == -1 || !S_ISDIR(st.st_mode)) {
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return;
} else if(!(dp = opendir(path))) {
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eprintf("opendir %s:", path);
}
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while((d = readdir(dp))) {
if (strcmp(d->d_name, ".") == 0 ||
strcmp(d->d_name, "..") == 0)
continue;
strlcpy(buf, path, sizeof(buf));
p = strrchr(buf, '\0');
/* remove all trailing slashes */
while (--p >= buf && *p == '/') *p ='\0';
strlcat(buf, "/", sizeof(buf));
if (strlcat(buf, d->d_name, sizeof(buf)) >= sizeof(buf))
enprintf(EXIT_FAILURE, "path too long\n");
fn(buf);
}
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closedir(dp);
}