57 lines
839 B
C
57 lines
839 B
C
#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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/* Symbolic */
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unsigned int s_flag;
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int single_link(const char *src, const char *dst) {
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if (s_flag)
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return symlink(src, dst);
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else
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return link(src, dst);
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}
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int main(const int argc, const char **argv) {
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int i;
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for (i = 1; i < argc; i++) {
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if (argv[i][0] != '-')
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break;
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else if (!strcmp("-s", argv[i]))
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s_flag = 1;
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else {
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printf("ln [-s] [TARGET] [LINK/DIR]\n");
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return 0;
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}
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}
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switch (argc - i) {
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case 0:
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fprintf(stderr, "ln: missing operand\n");
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return 1;
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case 1:
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fprintf(stderr, "ln: missing destination\n");
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return 1;
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case 2:
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if (single_link(argv[i], argv[i + 1])) {
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fprintf(stderr, "ln: %s %s\n", argv[i], strerror(errno));
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return 1;
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}
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break;
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default:
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break;
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}
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return 0;
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}
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