swab(1): formatting, remove gotos
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parent
1ad4114882
commit
acc3cf3e90
51
src/npc.c
51
src/npc.c
@ -22,7 +22,12 @@
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#include <unistd.h> /* getopt(3) */
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#include <sysexits.h>
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int main(int argc, char *argv[]){
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int usage(char *s) {
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fprintf(stderr, "Usage: %s [-et]\n", s);
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return EX_USAGE;
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}
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int main(int argc, char *argv[]) {
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int c;
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char showend;
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char showtab;
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@ -30,32 +35,30 @@ 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)
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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: goto usage;
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}
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if(!argc > 0) { usage(argv[0]); }
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if(argc > optind){
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usage: fprintf(stderr, "Usage: %s [-et]\n", argv[0]);
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return EX_USAGE;
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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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while((c = getc(stdin)) != EOF){
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if((c & 0x80) != 0)
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fputs("M-", stdout);
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switch(c ^ 0x80 /* 0b 1000 0000 */){
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case 0x7f: fputs("^?", stdout);
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break;
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case '\n': if(showend)
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putc('$', stdout);
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default:
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if(c >= ' ' || c == '\n' || (!showtab && c == '\t'))
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putc(c, stdout);
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else
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fprintf(stdout, "^%c", c + '@');
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if(argc > optind) { return usage(argv[0]); }
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while ((c = getc(stdin)) != EOF) {
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if ((c & 0x80) != 0) { fputs("M-", stdout); }
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switch (c ^ 0b10000000) {
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case 0x7f: fputs("^?", stdout); break;
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case '\n': if (showend) { putc('$', stdout); }
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default:
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if(c >= ' ' || c == '\n' || (!showtab && c == '\t')) {
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putc(c, stdout);
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} else {
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fprintf(stdout, "^%c", c + '@');
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}
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}
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}
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