Cast argument to unsigned char before feeding to ctype.h functions

Browse Source

The behavior of the `<ctype.h>` functions is undefined for negative
arguments (other than `EOF`). In such a situation, the argument should
be cast to `unsiged char` for safety.

References:
 - C Programming: A Modern Approach, 2nd Edition: page 612, chapter 23.5

...

This commit is contained in:

Lzu Tao

2018-11-06 05:39:14 +00:00

parent 4a992d91ab

commit 6c03383cd1

1 changed files with 508 additions and 508 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download Patch File Download Diff File Expand all files Collapse all files

1016

mpc.c

File diff suppressed because it is too large Load Diff