Homework 06: Initial Import
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72
homework06/Makefile
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72
homework06/Makefile
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CC= gcc
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CFLAGS= -Wall -g -std=gnu99 -fPIC
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LD= gcc
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LDFLAGS= -L.
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LIBS= -lstr
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AR= ar
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ARFLAGS= rcs
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TARGETS= libstr.so libstr.a trit.dynamic trit.static
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all: $(TARGETS)
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#-------------------------------------------------------------------------------
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# TODO: Add rules for libstr.a libstr.so
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#-------------------------------------------------------------------------------
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str.o:
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libstr.so:
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libstr.a:
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#-------------------------------------------------------------------------------
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# TODO: Add rules for trit.dynamic trit.static
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#-------------------------------------------------------------------------------
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trit.o:
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trit.dynamic:
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trit.static:
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#-------------------------------------------------------------------------------
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# DO NOT MODIFY BELOW
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#-------------------------------------------------------------------------------
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test:
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@$(MAKE) -sk test-all
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test-all: test-gitignore test-libstr test-trit
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test-gitignore:
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@echo "*.a" > .gitignore
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@echo "*.o" >> .gitignore
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@echo "*.py" >> .gitignore
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@echo "*.sh" >> .gitignore
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@echo "*.dynamic" >> .gitignore
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@echo "*.static" >> .gitignore
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@echo "*.so" >> .gitignore
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@echo "*.unit" >> .gitignore
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test-libstr: test-libstr.so test-libstr.a
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test-libstr.so: libstr.so
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@curl -sLO https://www3.nd.edu/~pbui/teaching/cse.20289.sp25/static/txt/homework06/str.test.py
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@chmod +x str.test.py
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@./str.test.py -v
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test-libstr.a: str.unit
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@curl -sLO https://www3.nd.edu/~pbui/teaching/cse.20289.sp25/static/txt/homework06/str.unit.sh
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@chmod +x str.unit.sh
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@./str.unit.sh
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str.unit: str.unit.c libstr.a
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@$(CC) $(CFLAGS) -o str.unit str.unit.c libstr.a
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test-trit: trit.dynamic trit.static
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@curl -sLO https://www3.nd.edu/~pbui/teaching/cse.20289.sp25/static/txt/homework06/trit.test.sh
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@chmod +x trit.test.sh
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@./trit.test.sh
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clean:
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@rm -f str.o libstr.so libstr.a str.test.py str.unit str.unit.sh trit.o trit.dynamic trit.static trit.test.sh
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69
homework06/str.c
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69
homework06/str.c
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/* str.c: string library */
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#include "str.h"
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#include <ctype.h>
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#include <stdbool.h>
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#include <stdlib.h>
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/* Functions */
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/**
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* Convert string to lowercase.
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* @param s String to convert
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* @param w Pointer to buffer that holds result of conversion
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**/
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void str_lower(const char *s, char *w) {
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// TODO
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}
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/**
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* Convert string to uppercase.
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* @param s String to convert
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* @param w Pointer to buffer that holds result of conversion
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**/
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void str_upper(const char *s, char *w) {
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// TODO
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}
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/**
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* Convert string to titlecase.
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* @param s String to convert
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* @param w Pointer to buffer that holds result of conversion
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**/
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void str_title(const char *s, char *w) {
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// TODO
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}
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/**
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* Strip characters from back of string (if present).
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* @param s String to strip
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* @param chars Characters to strip (if NULL, then all whitespace)
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* @param w Pointer to buffer that holds result of strip
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**/
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void str_rstrip(const char *s, const char *chars, char *w) {
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// TODO
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}
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/**
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* Delete characters from string.
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* @param s String to delete from
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* @param chars Characters to delete
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* @param w Pointer to buffer that holds result of deletion
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**/
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void str_delete(const char *s, const char *chars, char *w) {
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// TODO
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}
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/**
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* Translate characters in 'from' with corresponding characters in 'to'.
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* @param s String to translate
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* @param from String with characters to translate
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* @param to String with corresponding translation characters
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* @param w Pointer to buffer that holds result of translation
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**/
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void str_translate(const char *s, const char *from, const char *to, char *w) {
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// TODO
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}
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/* vim: set sts=4 sw=4 ts=8 expandtab ft=c: */
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12
homework06/str.h
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12
homework06/str.h
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/* str.h: string library */
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#pragma once
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void str_lower(const char *s, char *w);
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void str_upper(const char *s, char *w);
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void str_title(const char *s, char *w);
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void str_rstrip(const char *s, const char *chars, char *w);
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void str_delete(const char *s, const char *chars, char *w);
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void str_translate(const char *s, const char *from, const char *to, char *w);
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/* vim: set sts=4 sw=4 ts=8 expandtab ft=c: */
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207
homework06/str.unit.c
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207
homework06/str.unit.c
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/* str.unit.c: string library unit test */
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#include "str.h"
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#include <assert.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* Structures */
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typedef struct {
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const char *source;
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const char *target;
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} Pair;
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typedef struct {
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const char *source;
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const char *chars;
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const char *target;
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} Triple;
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typedef struct {
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const char *source;
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const char *from;
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const char *to;
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const char *target;
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} Quad;
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/* Macros */
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#define streq(a, b) (strcmp(a, b) == 0)
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/* Tests */
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int test_00_str_lower() {
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Pair cases[] = {
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{"", ""},
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{" " , " "},
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{"abc", "abc"},
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{"ABC", "abc"},
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{"AbC", "abc"},
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{NULL, NULL},
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};
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for (Pair *c = cases; c->source && c->target; c++) {
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char writer[BUFSIZ];
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str_lower(c->source, writer);
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assert(streq(writer, c->target));
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}
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return EXIT_SUCCESS;
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}
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int test_01_str_upper() {
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Pair cases[] = {
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{"", ""},
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{" " , " "},
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{"abc", "ABC"},
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{"ABC", "ABC"},
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{"AbC", "ABC"},
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{NULL, NULL},
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};
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for (Pair *c = cases; c->source && c->target; c++) {
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char writer[BUFSIZ];
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str_upper(c->source, writer);
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assert(streq(writer, c->target));
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}
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return EXIT_SUCCESS;
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}
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int test_02_str_title() {
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Pair cases[] = {
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{"", ""},
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{"abc", "Abc"},
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{"ABC", "Abc"},
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{"AbC", "Abc"},
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{"a b c", "A B C"},
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{"aa b0b c!!c", "Aa B0B C!!C"},
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{NULL, NULL},
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};
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for (Pair *c = cases; c->source && c->target; c++) {
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char writer[BUFSIZ];
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str_title(c->source, writer);
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assert(streq(writer, c->target));
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}
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return EXIT_SUCCESS;
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}
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int test_03_str_rstrip() {
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Pair cases1[] = {
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{"", ""},
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{"\n", ""},
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{" abc ", " abc"},
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{" abc\n", " abc"},
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{"\na b c", "\na b c"},
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{NULL, NULL},
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};
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for (Pair *c = cases1; c->source && c->target; c++) {
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char writer[BUFSIZ];
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str_rstrip(c->source, NULL, writer);
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assert(streq(writer, c->target));
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}
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Pair cases2[] = {
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{"", ""},
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{"\n", ""},
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{" abc ", " abc "},
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{" abc\n", " abc"},
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{"\na b c", "\na b c"},
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{NULL, NULL},
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};
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for (Pair *c = cases2; c->source && c->target; c++) {
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char writer[BUFSIZ];
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str_rstrip(c->source, "\n", writer);
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assert(streq(writer, c->target));
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}
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return EXIT_SUCCESS;
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}
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int test_04_str_delete() {
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Triple cases[] = {
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{"", "", ""},
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{"hello", "", "hello"},
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{"hello", "le", "ho"},
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{"hello world", "le", "ho word"},
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{" hello world ", " aeiou", "hllwrld"},
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{NULL, NULL, NULL},
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};
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for (Triple *c = cases; c->source && c->target; c++) {
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char writer[BUFSIZ];
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str_delete(c->source, c->chars, writer);
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assert(streq(writer, c->target));
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}
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return EXIT_SUCCESS;
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}
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int test_05_str_translate() {
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Quad cases[] = {
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{"", "", "", ""},
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{"hello", "", "430", "hello"},
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{"hello", "aeo", "", "hello"},
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{"hello", "aeo", "430", "h3ll0"},
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{" hello world ", "aeo", "430", " h3ll0 w0rld "},
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{" hello world ", "aeol", "4301", " h3110 w0r1d "},
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{" hello ", "oleh", "ymam", " mammy "},
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{NULL, NULL, NULL, NULL},
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};
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for (Quad *c = cases; c->source && c->target; c++) {
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char writer[BUFSIZ];
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str_translate(c->source, c->from, c->to, writer);
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assert(streq(writer, c->target));
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}
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return EXIT_SUCCESS;
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}
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/* Main Execution */
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int main(int argc, char *argv[]) {
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if (argc != 2) {
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fprintf(stderr, "Usage: %s NUMBER\n\n", argv[0]);
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fprintf(stderr, "Where NUMBER is right of the following:\n");
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fprintf(stderr, " 0 Test str_lower\n");
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fprintf(stderr, " 1 Test str_upper\n");
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fprintf(stderr, " 2 Test str_title\n");
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fprintf(stderr, " 3 Test str_rstrip\n");
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fprintf(stderr, " 4 Test str_delete\n");
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fprintf(stderr, " 5 Test str_translate\n");
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return EXIT_FAILURE;
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}
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int number = atoi(argv[1]);
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int status = EXIT_FAILURE;
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switch (number) {
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case 0: status = test_00_str_lower(); break;
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case 1: status = test_01_str_upper(); break;
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case 2: status = test_02_str_title(); break;
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case 3: status = test_03_str_rstrip(); break;
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case 4: status = test_04_str_delete(); break;
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case 5: status = test_05_str_translate(); break;
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default: fprintf(stderr, "Unknown NUMBER: %d\n", number); break;
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}
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return status;
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}
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/* vim: set sts=4 sw=4 ts=8 expandtab ft=c: */
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46
homework06/trit.c
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/* trit.c: translation utility */
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#include "str.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* Constants */
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enum {
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LOWER = 1<<1,
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UPPER = 0, // TODO: Modify
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TITLE = 0, // TODO: Modify
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STRIP = 0, // TODO: Modify
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DELETE = 0, // TODO: Modify
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};
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/* Functions */
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void usage(int status) {
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fprintf(stderr, "Usage: trit SET1 SET2\n\n");
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fprintf(stderr, "Post Translation filters:\n\n");
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fprintf(stderr, " -l Convert to lowercase\n");
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fprintf(stderr, " -u Convert to uppercase\n");
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fprintf(stderr, " -t Convert to titlecase\n");
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fprintf(stderr, " -s Strip trailing whitespace\n");
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fprintf(stderr, " -d Delete letters in SET1\n");
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exit(status);
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}
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void translate_stream(FILE *stream, const char *set1, const char *set2, int flags) {
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// TODO
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}
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/* Main Execution */
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int main(int argc, char *argv[]) {
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// TODO: Parse command line arguments
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// TODO: Translate standard input
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return EXIT_SUCCESS;
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}
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/* vim: set sts=4 sw=4 ts=8 expandtab ft=c: */
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