Clean old .source directive out of asm code

libc/fmt/fmt.c

@@ -125,8 +125,8 @@ static int __fmt_atoi(const char **str) {
  * @note implementation detail of printf(), snprintf(), etc.
  * @see printf() for wordier documentation
  * @note netlib.org is so helpful
- * @asyncsignalsafe
- * @vforksafe
+ * @asyncsignalsafe if floating point isn't used
+ * @vforksafe if floating point isn't used
  */
 hidden int __fmt(void *fn, void *arg, const char *format, va_list va) {
   union {

libc/fmt/kdos2errno.S

@@ -27,6 +27,7 @@
 	.endm
 
 	.section .rodata
+	.underrun
 kDos2Errno:
 	.e	kNtErrorModNotFound,ENOSYS
 	.e	kNtErrorBadCommand,EACCES
@@ -100,3 +101,4 @@ kDos2Errno:
 	.e	WSAVERNOTSUPPORTED,ENOSYS
 	.short	0
 	.endobj	kDos2Errno,globl,hidden
+	.overrun

libc/fmt/kerrornames.S

@@ -28,6 +28,7 @@
 
 	.section .rodata
 	.align 4
+	.underrun
 kErrorNames:
 	.e	EINVAL
 	.e	ENOSYS
@@ -116,3 +117,4 @@ kErrorNames:
 	.e	ERESTART
 	.long	0
 	.endobj	kErrorNames,globl,hidden
+	.overrun

libc/fmt/kerrornameslong.S

@@ -28,6 +28,7 @@
 
 	.section .rodata
 	.align 4
+	.underrun
 kErrorNamesLong:
 	.e	EINVAL,"Invalid argument"
 	.e	ENOSYS,"Function not implemented"
@@ -116,3 +117,4 @@ kErrorNamesLong:
 	.e	ERESTART,"Interrupted system call should be restarted"
 	.long	0
 	.endobj	kErrorNamesLong,globl,hidden
+	.overrun

libc/fmt/mapdoserrortoerrno.greg.c

@@ -30,7 +30,7 @@ extern const struct Dos2Errno kDos2Errno[];
 /**
  * Translates Windows error using superset of consts.sh.
  */
-textwindows errno_t __dos2errno(uint32_t error) {
+privileged errno_t __dos2errno(uint32_t error) {
   int i;
   for (i = 0; kDos2Errno[i].doscode; ++i) {
     if (error == kDos2Errno[i].doscode) {

libc/fmt/ntoa.c

@@ -19,6 +19,7 @@
 #include "libc/alg/reverse.internal.h"
 #include "libc/assert.h"
 #include "libc/fmt/conv.h"
+#include "libc/fmt/divmod10.internal.h"
 #include "libc/fmt/fmts.h"
 #include "libc/fmt/internal.h"
 #include "libc/limits.h"
@@ -92,7 +93,6 @@ static int __fmt_ntoa_format(int out(const char *, void *, size_t), void *arg,
 int __fmt_ntoa2(int out(const char *, void *, size_t), void *arg,
                 uintmax_t value, bool neg, unsigned log2base, unsigned prec,
                 unsigned width, unsigned flags, const char *alphabet) {
-  uint64_t u64;
   uintmax_t remainder;
   unsigned len, count, digit;
   char buf[BUFFER_SIZE];
@@ -103,9 +103,7 @@ int __fmt_ntoa2(int out(const char *, void *, size_t), void *arg,
     do {
       if (!log2base) {
         if (value <= UINT64_MAX) {
-          u64 = value;
-          digit = u64 % 10;
-          value = u64 / 10;
+          value = DivMod10(value, &digit);
         } else {
           value = __udivmodti4(value, 10, &remainder);
           digit = remainder;

libc/fmt/strerror.c

@@ -16,6 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/bits/safemacros.internal.h"
 #include "libc/fmt/fmt.h"
 
 /**
@@ -23,7 +24,11 @@
  * @see strerror_r()
  */
 noasan char *strerror(int err) {
-  _Alignas(1) static char buf[512];
-  strerror_r(err, buf, sizeof(buf));
-  return buf;
+  if (IsTiny()) {
+    return firstnonnull(strerror_short(err), "EUNKNOWN");
+  } else {
+    _Alignas(1) static char buf[512];
+    strerror_r(err, buf, sizeof(buf));
+    return buf;
+  }
 }