6f9b45b9e
Glenn L McGrath
2002-12-04
Subject
Unlink before mkdir, mknod, symlink to overwrite
Binary
No binary (build failed)
Architecture & Compiler Flags
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Build Log
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Commit Diff GitHub →
archival/libunarchive/data_extract_all.c+3 -0
| @@ -60,6 +60,7 @@ extern void data_extract_all(archive_handle_t *archive_handle) | |
| break; | |
| } | |
| case S_IFDIR: | |
| + | unlink(file_header->name); |
| res = mkdir(file_header->name, file_header->mode); | |
| if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) { | |
| perror_msg("extract_archive: %s", file_header->name); | |
| @@ -67,6 +68,7 @@ extern void data_extract_all(archive_handle_t *archive_handle) | |
| break; | |
| case S_IFLNK: | |
| /* Symlink */ | |
| + | unlink(file_header->name); |
| res = symlink(file_header->link_name, file_header->name); | |
| if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) { | |
| perror_msg("Cannot create symlink from %s to '%s'", file_header->name, file_header->link_name); | |
| @@ -76,6 +78,7 @@ extern void data_extract_all(archive_handle_t *archive_handle) | |
| case S_IFBLK: | |
| case S_IFCHR: | |
| case S_IFIFO: | |
| + | unlink(file_header->name); |
| res = mknod(file_header->name, file_header->mode, file_header->device); | |
| if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) { | |
| perror_msg("Cannot create node %s", file_header->name); | |