97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
#if 0
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/*─────────────────────────────────────────────────────────────────╗
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│ To the extent possible under law, Justine Tunney has waived │
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│ all copyright and related or neighboring rights to this file, │
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│ as it is written in the following disclaimers: │
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│ • http://unlicense.org/ │
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│ • http://creativecommons.org/publicdomain/zero/1.0/ │
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╚─────────────────────────────────────────────────────────────────*/
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#endif
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#include "libc/calls/calls.h"
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#include "libc/calls/hefty/copyfile.h"
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#include "libc/conv/conv.h"
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#include "libc/errno.h"
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#include "libc/fmt/fmt.h"
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#include "libc/runtime/gc.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/ex.h"
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#include "libc/sysv/consts/exit.h"
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#include "libc/sysv/consts/ok.h"
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#include "libc/x/x.h"
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#include "third_party/getopt/getopt.h"
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#define USAGE \
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" SRC... DST\n\
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\n\
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SYNOPSIS\n\
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\n\
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Copies Files\n\
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\n\
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FLAGS\n\
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\n\
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-?\n\
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-h help\n\
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-f force\n\
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-n no clobber\n\
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-a preserve all\n\
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-p preserve owner and timestamps\n\
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\n"
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int flags;
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bool force;
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noreturn void PrintUsage(int rc, FILE *f) {
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fprintf(f, "%s%s%s", "Usage: ", program_invocation_name, USAGE);
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exit(rc);
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}
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void GetOpts(int argc, char *argv[]) {
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int opt;
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while ((opt = getopt(argc, argv, "?hfnap")) != -1) {
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switch (opt) {
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case 'f':
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force = true;
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break;
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case 'n':
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flags |= COPYFILE_NOCLOBBER;
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break;
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case 'a':
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case 'p':
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flags |= COPYFILE_PRESERVE_OWNER;
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flags |= COPYFILE_PRESERVE_TIMESTAMPS;
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break;
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case 'h':
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case '?':
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PrintUsage(EXIT_SUCCESS, stdout);
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default:
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PrintUsage(EX_USAGE, stderr);
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}
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}
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}
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int cp(const char *src, const char *dst) {
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if (endswith(dst, "/") || isdirectory(dst)) {
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dst = gc(xasprintf("%s/%s", dst, basename));
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}
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if (!force && access(dst, W_OK) == -1 && errno != ENOENT) goto OnFail;
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if (copyfile(src, dst, flags) == -1) goto OnFail;
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return 0;
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OnFail:
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fprintf(stderr, "%s %s %s: %s\n", "error: cp", src, dst, strerror(errno));
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return 1;
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}
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int main(int argc, char *argv[]) {
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int i;
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GetOpts(argc, argv);
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if (argc - optind < 2) PrintUsage(EX_USAGE, stderr);
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for (i = optind; i < argc - 1; ++i) {
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if (cp(argv[i], argv[argc - 1]) == -1) {
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return -1;
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}
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}
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return 0;
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}
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