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Use an integer instead of a char to store the getopt() return value in 

order to match the function prototype and to work with compilers that
default to unsigned chars.
Compare the getopt() return value with -1 instead of EOF.
This commit is contained in:
mark 1996-04-01 21:43:53 +00:00
parent f8fcb56bce
commit d786999078
1 changed files with 3 additions and 3 deletions
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6
usr.bin/units/units.c
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@ -14,7 +14,7 @@
* I would appreciate (though I do not require) receiving a copy of any
* improvements you might make to this program.
*
* $Id: units.c,v 1.4 1996/03/21 18:06:48 jtc Exp $
* $Id: units.c,v 1.5 1996/04/01 21:43:53 mark Exp $
*/
#include <ctype.h>
@ -631,14 +631,14 @@ main(int argc, char **argv)
struct unittype have, want;
char havestr[81], wantstr[81];
char optchar;
int optchar;
char *userfile = 0;
int quiet = 0;
extern char *optarg;
extern int optind;
while (EOF != (optchar = getopt(argc, argv, "vqf:"))) {
while ((optchar = getopt(argc, argv, "vqf:")) != -1) {
switch (optchar) {
case 'f':
userfile = optarg;