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c99

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Ezri Zhu 2024-10-20 21:27:53 -04:00
parent 4e11b595a3
commit 5b4facd6fa
Signed by: ezri
SSH key fingerprint: SHA256:PjS2hKMfl3gJ5Furjjq+kXa4ZvS1c0gb4/djAxxAf6c
3 changed files with 21 additions and 16 deletions
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2
Makefile
View file

@ -1,5 +1,5 @@
CC = gcc CC = gcc
CFLAGS = -g -Wall -Werror -Wextra -Wformat=2 -Wjump-misses-init -Wlogical-op -Wpedantic -Wshadow CFLAGS = -std=c99 -g -Wall -Werror -Wextra -Wformat=2 -Wjump-misses-init -Wlogical-op -Wpedantic -Wshadow
#CFLAGS = -ansi -g -Wall -Werror -Wextra -Wformat=2 -Wjump-misses-init -Wlogical-op -Wpedantic -Wshadow #CFLAGS = -ansi -g -Wall -Werror -Wextra -Wformat=2 -Wjump-misses-init -Wlogical-op -Wpedantic -Wshadow
#CFLAGS = -Wall -Werror -Wextra -Wpedantic #CFLAGS = -Wall -Werror -Wextra -Wpedantic
EXECUTABLE = ls EXECUTABLE = ls

28
ls.c
View file

@ -1,3 +1,4 @@
#define _POSIX_C_SOURCE 200809L
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/types.h> #include <sys/types.h>
@ -8,6 +9,7 @@
#include <libgen.h> #include <libgen.h>
#include <limits.h> #include <limits.h>
#include <stdarg.h> #include <stdarg.h>
#include <stdbool.h>
#include <stdint.h> #include <stdint.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -15,6 +17,10 @@
#include <time.h> #include <time.h>
#include <unistd.h> #include <unistd.h>
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
void ls_ent(const char *path); void ls_ent(const char *path);
void do_regfile(const char *path, const struct stat *sb); void do_regfile(const char *path, const struct stat *sb);
void do_dir(const char *path, const struct stat *sb); void do_dir(const char *path, const struct stat *sb);
@ -50,28 +56,20 @@ ls_ent(const char *path)
if (lstat(path, &sb) == -1) { if (lstat(path, &sb) == -1) {
err(1, "Failed to stat %s", path); err(1, "Failed to stat %s", path);
} }
switch (sb.st_mode & S_IFMT) { if (S_ISREG(sb.st_mode)) {
case S_IFREG:
do_regfile(path, &sb); do_regfile(path, &sb);
break; } else if (S_ISDIR(sb.st_mode)) {
case S_IFDIR:
do_dir(path, &sb); do_dir(path, &sb);
break; } else if (S_ISLNK(sb.st_mode)) {
case S_IFLNK:
do_symlink(path, &sb); do_symlink(path, &sb);
break; } else if (S_ISCHR(sb.st_mode)) {
case S_IFCHR:
do_char(path, &sb); do_char(path, &sb);
break; } else if (S_ISFIFO(sb.st_mode)) {
case S_IFIFO:
do_fifo(path, &sb); do_fifo(path, &sb);
break; } else if (S_ISSOCK(sb.st_mode)) {
case S_IFSOCK:
do_socket(path, &sb); do_socket(path, &sb);
break; } else {
default:
do_unknown(path, &sb); do_unknown(path, &sb);
break;
} }
} }

7
readme.rst
View file

@ -4,3 +4,10 @@ ls
above was spellchecked by claude3 above was spellchecked by claude3
fts()
isatty()
getopt()
strmode()
c99