mirrors/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-11-27 03:33:33 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

misc: use _fitoa_word to implement __fd_to_filename.

Browse Source 
In a default build for x86_64, size decreased by 24 bytes:
1883294 to 1883270.

Aditionally, avoids repeating the number printing logic in multiple
places.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Érico Nogueira 2021-05-03 22:51:50 -03:00 committed by Adhemerval Zanella
parent f13fb81ad3
commit 330001202a
1 changed files with 2 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
misc/fd_to_filename.c
View File

@ -20,6 +20,7 @@
#include <assert.h>
#include <string.h>
#include <_itoa.h>
char *
__fd_to_filename (int descriptor, struct fd_to_filename *storage)
@ -28,11 +29,7 @@ __fd_to_filename (int descriptor, struct fd_to_filename *storage)
char *p = mempcpy (storage->buffer, FD_TO_FILENAME_PREFIX,
strlen (FD_TO_FILENAME_PREFIX));
*_fitoa_word (descriptor, p, 10, 0) = '\0';
for (int d = descriptor; p++, (d /= 10) != 0; )
continue;
*p = '\0';
for (int d = descriptor; *--p = '0' + d % 10, (d /= 10) != 0; )
continue;
return storage->buffer;
}