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Make minor improvements

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This commit is contained in:
Justine Tunney 2020-12-23 23:42:56 -08:00
parent 04caf6f9ad
commit 95b142e4e5
95 changed files with 3818 additions and 2760 deletions
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24
libc/stdio/fputc.c
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@ -21,14 +21,8 @@
#include "libc/stdio/internal.h"
#include "libc/stdio/stdio.h"
/**
* Writes byte to stream.
*
* @return c (as unsigned char) if written or -1 w/ errno
*/
noinstrument int fputc(int c, FILE *f) {
static noinline int __fputcg(int c, FILE *f) {
if (f->beg < f->size) {
c &= 0xff;
f->buf[f->beg++] = c;
if (f->beg == f->size || f->bufmode == _IONBF ||
(f->bufmode == _IOLBF && c == '\n')) {
@ -38,8 +32,22 @@ noinstrument int fputc(int c, FILE *f) {
f->beg = 0;
}
}
return c;
return c & 0xff;
} else {
return __fseteof(f);
}
}
/**
* Writes byte to stream.
* @return c (as unsigned char) if written or -1 w/ errno
* @see putc() if called within loop
*/
noinstrument int fputc(int c, FILE *f) {
if (f->beg + 1 < f->size && f->bufmode == _IOFBF) {
f->buf[f->beg++] = c;
return c & 0xff;
} else {
return __fputcg(c, f);
}
}