53 lines
975 B
C
53 lines
975 B
C
/*
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* Copyright (c) 1993 by the University of Southern California
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*
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* For copying and distribution information, please see the file
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* <usc-copyr.h>.
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*
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* The menu API and client were written by Kwynn Buess (buess@isi.edu)
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*/
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#include <usc-copyr.h>
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#include <stdio.h>
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char *recursive_get_line(int *is_eof, int count) {
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char *temp_string;
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int temp_char;
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temp_char = getchar();
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if (temp_char == EOF) {
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clearerr(stdin);
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*is_eof = 1;
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return NULL;
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}
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if (temp_char == '\n') {
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temp_string = (char *) stalloc(sizeof(char) * (count + 1));
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temp_string[count] = '\0';
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return temp_string;
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}
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temp_string = recursive_get_line(is_eof,count + 1) ;
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if (temp_string != NULL)
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temp_string[count] = temp_char;
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else return NULL;
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return temp_string;
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}
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char *get_line() {
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char *temp;
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int is_eof = 0;
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temp = recursive_get_line(&is_eof,0);
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if (is_eof) {
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clearerr(stdin);
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return NULL;
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}
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return temp;
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}
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