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-rw-r--r--core/head.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/core/head.c b/core/head.c
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--- a/core/head.c
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@@ -1,92 +0,0 @@
-/* head - copy the first part of files
- * Copyright (C) 2022 Ferass EL HAFIDI
- * Copyright (C) 2022 Leah Rowe
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holder nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <fcntl.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include "version.h"
-
-#ifndef COMPILETIME
-#define COMPILETIME
-#endif
-
-/* Functions Prototypes */
-int getopt(int argc, char *const argv[], const char *optstring);
-void printUsage();
-
-int main(int argc, char *const argv[]) {
- int argument, i = 1, lines, lines_printed;
- FILE *file;
-
- char s[4096];
-
- while ((argument = getopt(argc, argv, "n:")) != -1) {
- if (argument == '?' || argument == ':') {
- printUsage();
- return 1;
- }
- else if (argument == 'n') {
- lines = strtol(optarg, NULL, 10);
- if (errno) return errno;
- }
- else
- lines = 10;
- }
- if (argc < 2) {
- while (read(STDIN_FILENO, s, 4096) > 0)
- printf("%s", s);
- }
- if (!lines) lines = 10;
- for (i = 1; i != argc; i++) {
- if (strcmp(argv[i], "-n")) {
- if (strcmp(argv[i], "-")) file = fopen(argv[i], "r");
- else while (read(STDIN_FILENO, s, 4096) > 0) printf("%s", s);
- if (file == NULL) return errno; /* Something went wrong */
- for (lines_printed = 1; lines_printed <= lines; lines_printed++) {
- if (fgets(s, 4096, file) != NULL)
- printf("%s", s);
- else if (errno) return errno;
- }
- fclose(file);
- }
- else i++;
- }
- return 0;
-}
-
-void printUsage() {
- printf("Ferass' Base System. (%s)\n\n"
- "Usage: head [-n number] [file]\n\n"
- "Copy file to standard output until <number> lines.\n\n"
- "\t-n number\tNumber of lines to be copied to standard output\n",
- COMPILETIME);
-}