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NRZ Code 2025-05-01 09:21:30 -03:00
parent 588ea34c6b
commit a0eacd886c
1 changed files with 71 additions and 13 deletions
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84
wc.c
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@ -1,6 +1,13 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <stdbool.h>
bool mode_bytes = false;
bool mode_chars = false;
bool mode_lines = false;
bool mode_mllen = false;
bool mode_words = false;
int intlen(int number) { int intlen(int number) {
// return ceil(log10(number+1)); // return ceil(log10(number+1));
@ -11,9 +18,13 @@ int intlen(int number) {
void wc(char **list, int count) { void wc(char **list, int count) {
char buffer[BUFSIZ]; char buffer[BUFSIZ];
int clines = 0, cwords = 0, cbytes = 0; int *lines = calloc(count, sizeof(int));
int *words = calloc(count, sizeof(int));
int *bytes = calloc(count, sizeof(int));
int *chars = calloc(count, sizeof(int));
int *mllen = calloc(count, sizeof(int));
int len;
for (int i = 1; i < count; i++) { for (int i = 1; i < count; i++) {
int lines = 0, words = 0, bytes = 0;
FILE *stream = fopen(list[i], "r"); FILE *stream = fopen(list[i], "r");
if (stream == NULL) { if (stream == NULL) {
perror("Erro ao abrir o arquivo"); perror("Erro ao abrir o arquivo");
@ -21,29 +32,76 @@ void wc(char **list, int count) {
} }
while (fgets(buffer, BUFSIZ, stream) != NULL) { while (fgets(buffer, BUFSIZ, stream) != NULL) {
/* bytes */ /* bytes */
bytes += strlen(buffer); if (mode_bytes)
bytes[i] += strlen(buffer);
char *str; char *str;
/* words */ /* words */
str = strdup(buffer); if (mode_words) {
while (strtok_r(str, " \t\n", &str) != NULL) str = strdup(buffer);
words++; while (strtok_r(str, " \t\n", &str) != NULL)
words[i]++;
}
/* max-line-length */
if (mode_mllen) {
str = strdup(buffer);
len = strlen(str);
if (len > 0 && str[len-1] == '\n')
str[len-1] = '\0';
len = strlen(str);
mllen[i] = mllen[i] > len ? mllen[i] : len;
}
/* lines */ /* lines */
lines++; if (mode_lines)
lines[i]++;
/* chars
if (mode_chars) */
} }
if (strcmp(list[i], "/dev/stdin") == 0) if (strcmp(list[i], "/dev/stdin") == 0)
list[i] = ""; list[i] = "";
clines += lines; lines[0] += lines[i];
cwords += words; words[0] += words[i];
cbytes += bytes; bytes[0] += bytes[i];
printf("%d %d %d %s\n", lines, words, bytes, list[i]);
fclose(stream); fclose(stream);
} }
if (count > 2)
printf("%d %d %d total\n", clines, cwords, cbytes); for (int i = 1; i < count; i++)
mllen[0] = mllen[0] > mllen[i] ? mllen[0] : mllen[i];
for (int i = 1; i < count; i++) { /* -l lines -w words -m chars -c bytes -L max-line-length */
if (mode_lines)
printf("%*d ", intlen(lines[0]), lines[i]);
if (mode_words)
printf("%*d ", intlen(words[0]), words[i]);
if (mode_chars)
printf("%*d ", intlen(chars[0]), chars[i]);
if (mode_bytes)
printf("%*d ", intlen(bytes[0]), bytes[i]);
if (mode_mllen)
printf("%*d ", intlen(mllen[0]), mllen[i]);
printf("%s\n", list[i]);
}
if (count > 2) { /* Print total */
if (mode_lines)
printf("%*d ", intlen(lines[0]), lines[0]);
if (mode_words)
printf("%*d ", intlen(words[0]), words[0]);
if (mode_chars)
printf("%*d ", intlen(chars[0]), chars[0]);
if (mode_bytes)
printf("%*d ", intlen(bytes[0]), bytes[0]);
if (mode_mllen)
printf("%*d ", intlen(mllen[0]), mllen[0]);
printf("total\n");
}
} }
int main(int argc, char **argv) { int main(int argc, char **argv) {
char *list[2]; char *list[2];
/* Default mode */
if ((mode_bytes || mode_chars || mode_lines || mode_mllen || mode_words) == 0) {
mode_bytes = true;
mode_lines = true;
mode_words = true;
}
if (argc < 2) { if (argc < 2) {
list[1] = "/dev/stdin"; list[1] = "/dev/stdin";
wc(list, 2); wc(list, 2);