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comparison src/ex_docmd.c @ 27453:c7f614c9ceb3 v8.2.4255

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patch 8.2.4255: theoretical computation overflow Commit: https://github.com/vim/vim/commit/d5cec1f1f055316c353cfa15ad8d5eb0952d50a0 Author: =?UTF-8?q?Dundar=20G=C3=B6c?= <gocdundar@gmail.com> Date: Sat Jan 29 15:19:23 2022 +0000 patch 8.2.4255: theoretical computation overflow Problem: Theoretical computation overflow. Solution: Perform multiplication in a wider type. (closes https://github.com/vim/vim/issues/9657)
author Bram Moolenaar <Bram@vim.org>
date Sat, 29 Jan 2022 16:30:03 +0100
parents 41e0dcf38521
children df414fc12eed
comparison
equal deleted inserted replaced
27452:81af1f0ff8ce 27453:c7f614c9ceb3
4736 // replace $* by given arguments 4736 // replace $* by given arguments
4737 i = 1; 4737 i = 1;
4738 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL) 4738 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4739 ++i; 4739 ++i;
4740 len = (int)STRLEN(p); 4740 len = (int)STRLEN(p);
4741 new_cmdline = alloc(STRLEN(program) + i * (len - 2) + 1); 4741 new_cmdline = alloc(STRLEN(program) + (size_t)i * (len - 2) + 1);
4742 if (new_cmdline == NULL) 4742 if (new_cmdline == NULL)
4743 return NULL; // out of memory 4743 return NULL; // out of memory
4744 ptr = new_cmdline; 4744 ptr = new_cmdline;
4745 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL) 4745 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4746 { 4746 {