| 1 | |
| 2 | #include "path.h"
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| 3 | #include "cache.h"
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| 4 | #include <linux/kernel.h>
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| 5 | #include <limits.h>
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| 6 | #include <stdio.h>
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| 7 | #include <string.h>
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| 8 | #include <sys/types.h>
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| 9 | #include <sys/stat.h>
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| 10 | #include <dirent.h>
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| 11 | #include <unistd.h>
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| 12 |
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| 13 | static char *cleanup_path(char *path)
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| 14 | {
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| 15 |
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| 16 | if (!memcmp(path, "./", 2)) {
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| 17 | path += 2;
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| 18 | while (*path == '/')
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| 19 | path++;
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| 20 | }
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| 21 | return path;
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| 22 | }
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| 23 |
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| 24 | char *mkpath(char *path_buf, size_t sz, const char *fmt, ...)
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| 25 | {
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| 26 | va_list args;
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| 27 | unsigned len;
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| 28 |
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| 29 | va_start(args, fmt);
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| 30 | len = vsnprintf(path_buf, sz, fmt, args);
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| 31 | va_end(args);
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| 32 | if (len >= sz)
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| 33 | strncpy(path_buf, "/bad-path/", sz);
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| 34 | return cleanup_path(path_buf);
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| 35 | }
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| 36 |
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| 37 | int path__join(char *bf, size_t size, const char *path1, const char *path2)
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| 38 | {
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| 39 | return scnprintf(bf, size, "%s%s%s", path1, path1[0] ? "/" : "", path2);
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| 40 | }
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| 41 |
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| 42 | int path__join3(char *bf, size_t size, const char *path1, const char *path2, const char *path3)
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| 43 | {
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| 44 | return scnprintf(bf, size, "%s%s%s%s%s", path1, path1[0] ? "/" : "",
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| 45 | path2, path2[0] ? "/" : "", path3);
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| 46 | }
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| 47 |
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| 48 | bool is_regular_file(const char *file)
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| 49 | {
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| 50 | struct stat st;
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| 51 |
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| 52 | if (stat(file, &st))
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| 53 | return false;
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| 54 |
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| 55 | return S_ISREG(st.st_mode);
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| 56 | }
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| 57 |
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| 58 |
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| 59 | bool is_directory(const char *base_path, const struct dirent *dent)
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| 60 | {
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| 61 | char path[PATH_MAX];
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| 62 | struct stat st;
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| 63 |
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| 64 | snprintf(path, sizeof(path), "%s/%s", base_path, dent->d_name);
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| 65 | if (stat(path, &st))
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| 66 | return false;
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| 67 |
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| 68 | return S_ISDIR(st.st_mode);
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| 69 | }
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| 70 |
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| 71 | bool is_directory_at(int dir_fd, const char *path)
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| 72 | {
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| 73 | struct stat st;
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| 74 |
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| 75 | if (fstatat(dir_fd, path, &st, 0))
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| 76 | return false;
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| 77 |
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| 78 | return S_ISDIR(st.st_mode);
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| 79 | }
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