src/usr.bin/rcs/rcsutil.c - diff

Return to rcsutil.c CVS log

Up to [local] / src / usr.bin / rcs

version 1.22, 2006/10/12 17:20:12

version 1.23, 2006/11/09 21:47:52

Line 562

* rcs_yesno()

* Read from standart input for `y' or `Y' character.

* Read a char from standard input, returns defc if the

* Returns 0 on success, or -1 on failure.

* user enters an equivalent to defc, else whatever char

* was entered. Converts input to lower case.

int

rcs_yesno(void)

rcs_yesno(int defc)

{

int c, ret;

ret = 0;

fflush(stderr);

fflush(stdout);

if ((c = getchar()) != 'y' && c != 'Y')

if (isalpha(c = getchar()))

ret = -1;

c = tolower(c);

if (c == defc || c == '\n' || (c == EOF && feof(stdin)))

ret = defc;

else

while (c != EOF && c != '\n')

ret = c;

c = getchar();

while (c != EOF && c != '\n')

c = getchar();

return (ret);

}