diff options
Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_read_support_format_rar.c')
-rw-r--r-- | Utilities/cmlibarchive/libarchive/archive_read_support_format_rar.c | 32 |
1 files changed, 11 insertions, 21 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_read_support_format_rar.c b/Utilities/cmlibarchive/libarchive/archive_read_support_format_rar.c index 658d49d50..c68d77b49 100644 --- a/Utilities/cmlibarchive/libarchive/archive_read_support_format_rar.c +++ b/Utilities/cmlibarchive/libarchive/archive_read_support_format_rar.c @@ -604,20 +604,6 @@ lzss_emit_match(struct rar *rar, int offset, int length) rar->lzss.position += length; } -static void * -ppmd_alloc(void *p, size_t size) -{ - (void)p; - return malloc(size); -} -static void -ppmd_free(void *p, void *address) -{ - (void)p; - free(address); -} -static ISzAlloc g_szalloc = { ppmd_alloc, ppmd_free }; - static Byte ppmd_read(void *p) { @@ -1038,7 +1024,7 @@ archive_read_format_rar_read_data(struct archive_read *a, const void **buff, case COMPRESS_METHOD_BEST: ret = read_data_compressed(a, buff, size, offset); if (ret != ARCHIVE_OK && ret != ARCHIVE_WARN) - __archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context, &g_szalloc); + __archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context); break; default: @@ -1253,7 +1239,7 @@ archive_read_format_rar_cleanup(struct archive_read *a) free(rar->dbo); free(rar->unp_buffer); free(rar->lzss.window); - __archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context, &g_szalloc); + __archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context); free(rar); (a->format->data) = NULL; return (ARCHIVE_OK); @@ -1496,7 +1482,11 @@ read_header(struct archive_read *a, struct archive_entry *entry, return (ARCHIVE_FATAL); } filename[filename_size++] = '\0'; - filename[filename_size++] = '\0'; + /* + * Do not increment filename_size here as the computations below + * add the space for the terminating NUL explicitly. + */ + filename[filename_size] = '\0'; /* Decoded unicode form is UTF-16BE, so we have to update a string * conversion object for it. */ @@ -1654,7 +1644,7 @@ read_header(struct archive_read *a, struct archive_entry *entry, rar->unp_offset = 0; rar->unp_buffer_size = UNP_BUFFER_SIZE; memset(rar->lengthtable, 0, sizeof(rar->lengthtable)); - __archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context, &g_szalloc); + __archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context); rar->ppmd_valid = rar->ppmd_eod = 0; /* Don't set any archive entries for non-file header types */ @@ -1750,7 +1740,7 @@ read_exttime(const char *p, struct rar *rar, const char *endp) return (-1); for (j = 0; j < count; j++) { - rem = ((*p) << 16) | (rem >> 8); + rem = (((unsigned)(unsigned char)*p) << 16) | (rem >> 8); p++; } tm = localtime(&t); @@ -2118,7 +2108,7 @@ parse_codes(struct archive_read *a) /* Make sure ppmd7_contest is freed before Ppmd7_Construct * because reading a broken file cause this abnormal sequence. */ - __archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context, &g_szalloc); + __archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context); rar->bytein.a = a; rar->bytein.Read = &ppmd_read; @@ -2133,7 +2123,7 @@ parse_codes(struct archive_read *a) } if (!__archive_ppmd7_functions.Ppmd7_Alloc(&rar->ppmd7_context, - rar->dictionary_size, &g_szalloc)) + rar->dictionary_size)) { archive_set_error(&a->archive, ENOMEM, "Out of memory"); |