ICODE-ADC/lammps
4
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

added a safe fread variant with error checking.

Browse Source
This commit is contained in:
Axel Kohlmeyer
2019-10-17 09:46:18 -04:00
parent 4e6f83ced2
commit 7d1cd63e1d
2 changed files with 38 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/utils.cpp
View File

@ -127,6 +127,29 @@ void utils::sfgets(const char *srcname, int srcline, char *s, int size,
return;
}
/* like fread() but aborts with an error or EOF is encountered */
void sfread(const char *srcname, int srcline, void *s, size_t size,
size_t num, FILE *fp, const char *filename, Error *error)
{
size_t rv = fread(s,size,num,fp);
if (rv != num) { // something went wrong
std::string errmsg;
if (feof(fp)) {
errmsg = "Unexpected end of file while reading file '";
} else if (ferror(fp)) {
errmsg = "Unexpected error while reading file '";
} else {
errmsg = "Unexpected short read while reading file '";
}
errmsg += filename;
errmsg += "'";
if (error) error->one(srcname,srcline,errmsg.c_str());
}
return;
}
/* ------------------------------------------------------------------ */
std::string utils::check_packages_for_style(std::string style,