Return true if two paths refer to the same on-disk file. Used to avoid * copying the running binary onto itself during install (cbm_copy_file would * truncate it, since it opens the destination "wb" before reading the source). */
| 1041 | * copying the running binary onto itself during install (cbm_copy_file would |
| 1042 | * truncate it, since it opens the destination "wb" before reading the source). */ |
| 1043 | static bool cbm_same_file(const char *a, const char *b) { |
| 1044 | struct stat sa; |
| 1045 | struct stat sb; |
| 1046 | if (stat(a, &sa) != 0 || stat(b, &sb) != 0) { |
| 1047 | return false; |
| 1048 | } |
| 1049 | #ifdef _WIN32 |
| 1050 | /* st_ino is unreliable on Windows; compare normalized path strings. */ |
| 1051 | char na[CLI_BUF_1K]; |
| 1052 | char nb[CLI_BUF_1K]; |
| 1053 | snprintf(na, sizeof(na), "%s", a); |
| 1054 | snprintf(nb, sizeof(nb), "%s", b); |
| 1055 | cbm_normalize_path_sep(na); |
| 1056 | cbm_normalize_path_sep(nb); |
| 1057 | return strcmp(na, nb) == 0; |
| 1058 | #else |
| 1059 | return sa.st_dev == sb.st_dev && sa.st_ino == sb.st_ino; |
| 1060 | #endif |
| 1061 | } |
| 1062 | |
| 1063 | typedef struct { |
| 1064 | char fingerprint[CBM_DAEMON_BUILD_FINGERPRINT_SIZE]; |
no test coverage detected