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/* SPDX-License-Identifier: Apache-2.0 */
/* Copyright 2025 Thorsten Töpper
*
* vim:ts=4:sw=4:expandtab
*/
#include <unistd.h>
#include <ctype.h>
#include <time.h>
#include <sys/ioctl.h>
#include "output.h"
#include "options.h"
inline int fputc_all_cols(char c, FILE *fdout) {
struct winsize terminal;
ioctl(STDOUT_FILENO, TIOCGWINSZ, &terminal);
return fputc_width_x(c, ((terminal.ws_col == 0) ? 72 : terminal.ws_col), fdout);
}
/* Not the most performant way, but during output the time critical tasks are already done. */
inline int fputc_width_x(char c, size_t x, FILE *fdout) {
size_t i=0;
if (fdout == NULL) {
LOGERR("ERROR: No output stream given.\n");
return EOF;
}
if ( ! isprint(c) ) { c = '?'; }
for (i=0; i<x; i++) {
if (fputc(c, fdout) == EOF) {
LOGERR("ERROR: Failed to write char 0x%02X to stream %d\n", c, fdout->_fileno);
return EOF;
}
}
return 1;
}
/* The most simple default output, formatted output is planned */
void print_list(struct list_head *list) {
struct list_head *lh = list;
struct list_node *ptr;
struct tm *tm = NULL;
char timestamp[128];
size_t total_size = 0;
if (list == NULL) return;
if (option_sort_reverse_order) {
lh = create_list_sort_reversed(list);
/* be tolerant */
if (lh == NULL) {
lh = list;
}
}
ptr = lh->first;
while (ptr != NULL) {
printf(" %8ld %2s ", ((ptr->fsize>=1024) ? (ptr->fsize/1024) : ptr->fsize),
((ptr->fsize >= 1024) ? "kB" : ""));
tm = localtime(&ptr->ftime);
if (option_timestamp_long) {
strftime(timestamp, sizeof(timestamp), "%Y%m%d %H:%M:%S %Z", tm);
printf(" %20s ", timestamp);
} else {
strftime(timestamp, sizeof(timestamp), "%H:%M:%S", tm);
printf(" %8s ", timestamp);
}
printf(" %s\n", ptr->fname);
/* Linux: Neither man stat(2) nor stat(3type) declare when struct stat field st_size
* get's a negative value. */
total_size += (ptr->fsize>0) ? (unsigned long int)ptr->fsize : 0;
ptr = ptr->next;
}
fputc_all_cols('=', stdout);
printf("\nTotal size: %lu %s\n", ((total_size>1024) ? total_size/1024 : total_size),
((total_size >= 1024) ? "kB" : ""));
if (lh != list) destroy_list(lh);
}
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