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| author | Érico Nogueira <ericonr@disroot.org> | 2021-05-03 22:51:50 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-05-07 13:54:36 -0300 |
| commit | 330001202ada53dcf3de81f95edc2616f8d75c68 (patch) | |
| tree | 2556575e81b462a3ebe09a260b07ca79b4df3108 | |
| parent | f13fb81ad3159543741e9132685335002a6d5df2 (diff) | |
| download | glibc-330001202ada53dcf3de81f95edc2616f8d75c68.zip glibc-330001202ada53dcf3de81f95edc2616f8d75c68.tar.gz glibc-330001202ada53dcf3de81f95edc2616f8d75c68.tar.bz2 | |
misc: use _fitoa_word to implement __fd_to_filename.
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>
| -rw-r--r-- | misc/fd_to_filename.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/misc/fd_to_filename.c b/misc/fd_to_filename.c index 86a1a1a..20c2014 100644 --- a/misc/fd_to_filename.c +++ b/misc/fd_to_filename.c @@ -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; } |