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Check if a char is >0 before calling isdigit() because it asserts for negative numbers on windows.

This commit is contained in:
Maxime Gimeno 2020-12-07 10:54:51 +01:00
parent d201bc7c96
commit c76819d0a7
1 changed files with 3 additions and 3 deletions
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6
Stream_support/include/CGAL/IO/OFF/File_header_OFF_impl.h
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@ -276,8 +276,8 @@ std::istream& operator>>( std::istream& in, File_header_OFF& h) {
while( i < max_keyword - 1 && in.get(c) && std::isalnum(c)) while( i < max_keyword - 1 && in.get(c) && std::isalnum(c))
keyword[i++] = c; keyword[i++] = c;
keyword[i] = '\0'; keyword[i] = '\0';
if ( i < 2 || (std::isdigit(keyword[0]) && keyword[0] != '4') if ( i < 2 || (keyword[0] >= 0 && std::isdigit(keyword[0]) && keyword[0] != '4')
|| std::isdigit(keyword[1])) { || (keyword[1] >= 0 && std::isdigit(keyword[1]))) {
in.clear( std::ios::badbit); in.clear( std::ios::badbit);
if ( h.verbose()) { if ( h.verbose()) {
std::cerr << " " << std::endl; std::cerr << " " << std::endl;
@ -329,7 +329,7 @@ std::istream& operator>>( std::istream& in, File_header_OFF& h) {
} }
} }
in >> skip_comment_OFF >> c; in >> skip_comment_OFF >> c;
if ( std::isdigit(c)) { if (c >= 0 && std::isdigit(c)) {
in.putback(c); in.putback(c);
int n; int n;
in >> n; in >> n;