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Remove some dead code

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This commit is contained in:
Justine Tunney 2023-07-03 02:47:05 -07:00
parent 168d1c157e
commit 73c0faa1b5
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GPG key ID: BE714B4575D6E328
66 changed files with 324 additions and 7705 deletions
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85
tool/build/cp.c
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@ -24,6 +24,7 @@
#include "libc/fmt/fmt.h"
#include "libc/fmt/libgen.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/mem/gc.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
@ -91,16 +92,14 @@ bool IsSymlink(const char *path) {
return res;
}
wontreturn void PrintUsage(int rc, FILE *f) {
fputs("usage: ", f);
fputs(prog, f);
fputs(USAGE, f);
wontreturn void PrintUsage(int rc, int fd) {
tinyprint(fd, "USAGE\n\n ", prog, USAGE, NULL);
exit(rc);
}
void GetOpts(int argc, char *argv[]) {
int opt;
while ((opt = getopt(argc, argv, "?hfnaprR")) != -1) {
while ((opt = getopt(argc, argv, "hfnaprR")) != -1) {
switch (opt) {
case 'f':
force = true;
@ -118,10 +117,9 @@ void GetOpts(int argc, char *argv[]) {
flags |= COPYFILE_PRESERVE_TIMESTAMPS;
break;
case 'h':
case '?':
PrintUsage(EXIT_SUCCESS, stdout);
PrintUsage(0, 1);
default:
PrintUsage(EX_USAGE, stderr);
PrintUsage(1, 2);
}
}
}
@ -146,8 +144,7 @@ int Visit(const char *fpath, const struct stat *sb, int tflag,
Cp(srcfile, dstfile);
return 0;
default:
fputs(fpath, stderr);
fputs(": can't handle file type\n", stderr);
tinyprint(2, fpath, ": bad file type\n", NULL);
exit(1);
}
}
@ -157,7 +154,7 @@ char *Join(const char *a, const char *b) {
n = strlen(a);
m = strlen(b);
if (n + 1 + m + 1 > sizeof(dstfile)) {
fputs("error: cp: path too long\n", stderr);
tinyprint(2, prog, ": path too long\n", NULL);
exit(1);
}
stpcpy(stpcpy(stpcpy(dstfile, a), "/"), b);
@ -191,8 +188,7 @@ void Cp(char *src, char *dst) {
basename(dst);
if (IsDirectory(src)) {
if (!recursive) {
fputs(prog, stderr);
fputs(": won't copy directory without -r flag.\n", stderr);
tinyprint(2, prog, ": won't copy directory without -r flag\n", NULL);
exit(1);
}
strcpy(dstdir, dst);
@ -208,10 +204,7 @@ void Cp(char *src, char *dst) {
strcpy(srcdir, "");
}
if (nftw(src, Visit, 20, 0) == -1) {
fputs(prog, stderr);
fputs(": nftw failed: ", stderr);
fputs(_strerdoc(errno), stderr);
fputs("\n", stderr);
perror(src);
exit(1);
}
return;
@ -219,37 +212,49 @@ void Cp(char *src, char *dst) {
if (IsDirectory(dst)) {
dst = Join(dst, basename(src));
}
if (!force && access(dst, W_OK) == -1 && errno != ENOENT) goto OnFail;
strcpy(mkbuf, dst);
if (makedirs(dirname(mkbuf), 0755) == -1) goto OnFail;
if (IsSymlink(src)) {
if ((rc = readlink(src, linkbuf, sizeof(linkbuf) - 1)) == -1) goto OnFail;
linkbuf[rc] = 0;
if (symlink(linkbuf, dst) == -1) goto OnFail;
} else {
if (!MovePreservingDestinationInode(src, dst)) goto OnFail;
if (!force && access(dst, W_OK) == -1 && errno != ENOENT) {
perror(dst);
exit(1);
}
strcpy(mkbuf, dst);
if (makedirs((s = dirname(mkbuf)), 0755) == -1) {
perror(s);
exit(1);
}
if (IsSymlink(src)) {
if ((rc = readlink(src, linkbuf, sizeof(linkbuf) - 1)) == -1) {
perror(src);
exit(1);
}
linkbuf[rc] = 0;
if (symlink(linkbuf, dst) == -1) {
perror(dst);
exit(1);
}
} else {
if (!MovePreservingDestinationInode(src, dst)) {
perror(src);
exit(1);
}
}
return;
OnFail:
s = _strerdoc(errno);
fputs(prog, stderr);
fputs(": ", stderr);
fputs(src, stderr);
fputs(" ", stderr);
fputs(dst, stderr);
fputs(": ", stderr);
fputs(s, stderr);
fputs("\n", stderr);
exit(1);
}
int main(int argc, char *argv[]) {
int i;
prog = argc > 0 ? argv[0] : "cp.com";
prog = argv[0];
if (!prog) prog = "cp";
GetOpts(argc, argv);
if (argc - optind < 2) PrintUsage(EX_USAGE, stderr);
if (argc - optind < 2) {
tinyprint(2, prog, ": missing operand\n", NULL);
exit(1);
}
for (i = optind; i < argc - 1; ++i) {
Cp(argv[i], argv[argc - 1]);
}
return 0;
}