* [PATCH] fs/binfmt_script: Use existing functions to clarify the code
@ 2020-01-18 16:27 Carmeli Tamir
0 siblings, 0 replies; only message in thread
From: Carmeli Tamir @ 2020-01-18 16:27 UTC (permalink / raw)
Cc: carmeli.tamir, Alexander Viro, linux-fsdevel, linux-kernel
This patch applies the recently defined 'spacetab', 'next_non_spacetab'
and 'next_terminator' functions to more places in the code, improving
its readability and reducing code duplication.
Signed-off-by: Carmeli Tamir <carmeli.tamir@gmail.com>
---
fs/binfmt_script.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c
index e9e6a6f4a35f..fc1c4a214690 100644
--- a/fs/binfmt_script.c
+++ b/fs/binfmt_script.c
@@ -88,19 +88,18 @@ static int load_script(struct linux_binprm *bprm)
*cp = '\0';
while (cp > bprm->buf) {
cp--;
- if ((*cp == ' ') || (*cp == '\t'))
+ if (spacetab(*cp))
*cp = '\0';
else
break;
}
- for (cp = bprm->buf+2; (*cp == ' ') || (*cp == '\t'); cp++);
+ cp = next_non_spacetab(bprm->buf+2, buf_end);
if (*cp == '\0')
return -ENOEXEC; /* No interpreter name found */
i_name = cp;
i_arg = NULL;
- for ( ; *cp && (*cp != ' ') && (*cp != '\t'); cp++)
- /* nothing */ ;
- while ((*cp == ' ') || (*cp == '\t'))
+ cp = next_terminator(cp, buf_end);
+ while (spacetab(*cp))
*cp++ = '\0';
if (*cp)
i_arg = cp;
--
2.19.1
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