54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
//
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// util.c
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// diff
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//
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// Created by William McCarthy on 5/9/19.
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// Copyright © 2019 William McCarthy. All rights reserved.
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//
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#include <string.h>
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#include <stdlib.h>
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#include "util.h"
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#define BUFLEN 256
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char* yesorno(int condition) { return condition == 0 ? "no" : "YES"; }
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FILE* openfile(const char* filename, const char* openflags) {
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FILE* f;
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if ((f = fopen(filename, openflags)) == NULL) { printf("can't open '%s'\n", filename); exit(1); }
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return f;
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}
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void printline(void) {
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for (int i = 0; i < 10; ++i) { printf("=========="); }
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printf("\n");
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}
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void printleft(const char* left) {
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char buf[BUFLEN];
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strcpy(buf, left);
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int j = 0, len = (int)strlen(buf) - 1;
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for (j = 0; j <= 48 - len ; ++j) { buf[len + j] = ' '; }
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buf[len + j++] = '<';
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buf[len + j++] = '\0';
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printf("%s\n", buf);
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}
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void printright(const char* right) {
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if (right == NULL) { return; }
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printf("%50s %s", ">", right);
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}
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void printboth(const char* left_right) {
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char buf[BUFLEN];
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size_t len = strlen(left_right);
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if (len > 0) { strncpy(buf, left_right, len); }
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buf[len - 1] = '\0';
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printf("%-50s %s", buf, left_right);
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}
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