npc(1): specifies sysexits imports, formatting
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parent
8421f8be87
commit
35a20dca79
22
src/npc.c
22
src/npc.c
@ -19,9 +19,9 @@
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#include <stdio.h> /* fprintf(3), fputs(3), getc(3), putc(3), stdin, stdout,
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* EOF */
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#include <stdlib.h> /* EXIT_FAILURE, EXIT_SUCCESS */
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#include <stdlib.h> /* EXIT_FAILURE */
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#include <unistd.h> /* getopt(3) */
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#include <sysexits.h>
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#include <sysexits.h> /* EX_OK, EX_USAGE */
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int usage(char *s) {
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fprintf(stderr, "Usage: %s [-et]\n", s);
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@ -36,17 +36,17 @@ int main(int argc, char *argv[]) {
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showend = 0;
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showtab = 0;
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if(!argc > 0) { usage(argv[0]); }
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while ((c = getopt(argc, argv, "et")) != -1) {
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switch(c){
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case 'e': showend = 1; break;
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case 't': showtab = 1; break;
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default: return usage(argv[0]);
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if (argc > 0) {
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while ((c = getopt(argc, argv, "et")) != -1) {
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switch (c){
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case 'e': showend = 1; break;
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case 't': showtab = 1; break;
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default: return usage(argv[0]);
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}
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}
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}
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if(argc > optind) { return usage(argv[0]); }
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if (argc > optind) { return usage(argv[0]); }
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while ((c = getc(stdin)) != EOF) {
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if ((c & 0x80) != 0) { fputs("M-", stdout); }
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@ -55,7 +55,7 @@ int main(int argc, char *argv[]) {
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case 0x7f: fputs("^?", stdout); break;
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case '\n': if (showend) { putc('$', stdout); }
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default:
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if(c >= ' ' || c == '\n' || (!showtab && c == '\t')) {
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if (c >= ' ' || c == '\n' || (!showtab && c == '\t')) {
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putc(c, stdout);
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} else {
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fprintf(stdout, "^%c", c + '@');
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