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). */
| 1063 | * copying the running binary onto itself during install (cbm_copy_file would |
| 1064 | * truncate it, since it opens the destination "wb" before reading the source). */ |
| 1065 | static bool cbm_same_file(const char *a, const char *b) { |
| 1066 | struct stat sa; |
| 1067 | struct stat sb; |
| 1068 | if (stat(a, &sa) != 0 || stat(b, &sb) != 0) { |
| 1069 | return false; |
| 1070 | } |
| 1071 | #ifdef _WIN32 |
| 1072 | /* st_ino is unreliable on Windows; compare normalized path strings. */ |
| 1073 | char na[CLI_BUF_1K]; |
| 1074 | char nb[CLI_BUF_1K]; |
| 1075 | snprintf(na, sizeof(na), "%s", a); |
| 1076 | snprintf(nb, sizeof(nb), "%s", b); |
| 1077 | cbm_normalize_path_sep(na); |
| 1078 | cbm_normalize_path_sep(nb); |
| 1079 | return strcmp(na, nb) == 0; |
| 1080 | #else |
| 1081 | return sa.st_dev == sb.st_dev && sa.st_ino == sb.st_ino; |
| 1082 | #endif |
| 1083 | } |
| 1084 | |
| 1085 | typedef struct { |
| 1086 | char fingerprint[CBM_DAEMON_BUILD_FINGERPRINT_SIZE]; |
no test coverage detected