101 lines
1.7 KiB
C
101 lines
1.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "lib.h"
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#define INVERT_T "\x1b[7m"
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#define UINVERT_T "\x1b[27m"
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#define GREY "\x1b[90m"
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#define RESET "\x1b[0m"
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int run(char *filename) {
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int tty = isatty(STDOUT_FILENO);
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FILE *fp = fopen(filename, "r+b");
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if (fp == NULL)
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die("fopen");
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if (tty)
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fprintf(stderr, "%s%s%s\r\n", INVERT_T, filename, UINVERT_T);
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int bufsize = 4;
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char *buf;
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buf = malloc(bufsize);
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if (buf == NULL)
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die("malloc");
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double fsize = 0;
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unsigned offset = 0;
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unsigned lc = 0;
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char c;
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while (fread(&c, sizeof(char), 1, fp) > 0) {
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if (fsize == bufsize - 1) {
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bufsize *= 2;
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char *new_buf = realloc(buf, bufsize);
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if (buf == NULL) {
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free(buf);
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die("realloc");
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}
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buf = new_buf;
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}
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if (c == '\n')
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lc++;
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buf[offset++] = c;
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fsize++;
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}
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fclose(fp);
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int lcpad = intlen(lc);
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lc = 0;
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char pc = '\0';
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for (int i = 0; (unsigned)i < offset; i++) {
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c = buf[i];
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if (pc == '\n' || i == 0) {
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lc++;
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int padlen = lcpad - intlen(lc);
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char padding[padlen];
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memset(padding, '0', padlen);
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if (tty)
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fprintf(stderr, "%s%s%d:%s ", GREY, padding, lc, RESET);
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}
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pc = c;
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printf("%c", c);
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}
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char *format = formatBytes(&fsize);
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if (tty)
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fprintf(stderr, "%s%.2f %s%s\r\n", INVERT_T, fsize, format, UINVERT_T);
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return 0;
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}
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int main(int argc, char *argv[]) {
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if (argc < 2) {
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fprintf(stderr, "usage: catclone <FILE>\n");
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die("args");
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}
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for (int i = 1; i < argc; i++) {
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if (run(argv[i]) != 0)
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die("run");
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if (i + 1 != argc) {
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fprintf(stderr, "\r\n");
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}
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}
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return 0;
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}
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