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Add Linux ptrace() tutorial

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This commit is contained in:
Justine Tunney 2022-03-24 08:00:21 -07:00
parent 98909b1391
commit 3b9e66ecba
14 changed files with 1290 additions and 23 deletions
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14
libc/fmt/fmt.c
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@ -41,6 +41,7 @@
} while (0)
extern bool __nomultics;
extern bool __replmode;
static const char kSpecialFloats[2][2][4] = {{"INF", "inf"}, {"NAN", "nan"}};
@ -377,8 +378,15 @@ hidden int __fmt(void *fn, void *arg, const char *format, va_list va) {
goto FormatString;
case 'r':
flags |= FLAGS_REPR;
/* fallthrough */
// undocumented %r specifier
// used for good carriage return
// helps integrate loggers with repls
if (!__replmode) {
break;
} else {
p = "\r\e[K";
goto FormatString;
}
case 'q':
flags |= FLAGS_QUOTE;
@ -393,6 +401,8 @@ hidden int __fmt(void *fn, void *arg, const char *format, va_list va) {
break;
case 'n':
// nonstandard %n specifier
// used to print newlines that work in raw terminal modes
if (__nomultics) PUT('\r');
PUT('\n');
break;