mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-11-04 05:19:11 +00:00
Code Activity

Merge pull request #2097 from whitequark/ilang_lexer-fix-erange

Browse source 
ilang_lexer: fix check for out of range literal
This commit is contained in:
whitequark 2020-05-29 09:04:27 +00:00 • committed by GitHub
commit 626c74adbd
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
frontends/ilang/ilang_lexer.l
View file

@ -91,8 +91,10 @@ USING_YOSYS_NAMESPACE
[0-9]+'[01xzm-]* { rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_VALUE; }
-?[0-9]+ {
char *end = nullptr;
errno = 0;
long value = strtol(yytext, &end, 10);
if (end != yytext + strlen(yytext))
log_assert(end == yytext + strlen(yytext));
if (errno == ERANGE)
return TOK_INVALID; // literal out of range of long
if (value < INT_MIN || value > INT_MAX)
return TOK_INVALID; // literal out of range of int (relevant mostly for LP64 platforms)