Attachment 575 Details for Bug 1546 – Proposed patch to save errno

[patch] Proposed patch to save errno

strlower_m-errno_save.patch (text/plain), 1.40 KB, created by SATOH Fumiyasu on 2004-07-22 03:16:13 UTC

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Creator: SATOH Fumiyasu

Created: 2004-07-22 03:16:13 UTC

Size: 1.40 KB

patch

obsolete

>Index: source/lib/util_str.c
>===================================================================
>--- source/lib/util_str.c	(revision 1561)
>+++ source/lib/util_str.c	(working copy)
>@@ -1391,6 +1391,7 @@ char *strstr_m(const char *src, const ch
> void strlower_m(char *s)
> {
> 	size_t len;
>+	int errno_save;
> 
> 	/* this is quite a common operation, so we want it to be
> 	   fast. We optimise for the ascii case, knowing that all our
>@@ -1408,11 +1409,13 @@ void strlower_m(char *s)
> 	/* I assume that lowercased string takes the same number of bytes
> 	 * as source string even in UTF-8 encoding. (VIV) */
> 	len = strlen(s) + 1;
>+	errno_save = errno;
> 	errno = 0;
> 	unix_strlower(s,len,s,len);	
> 	/* Catch mb conversion errors that may not terminate. */
> 	if (errno)
> 		s[len-1] = '\0';
>+	errno = errno_save;
> }
> 
> /**
>@@ -1422,6 +1425,7 @@ void strlower_m(char *s)
> void strupper_m(char *s)
> {
> 	size_t len;
>+	int errno_save;
> 
> 	/* this is quite a common operation, so we want it to be
> 	   fast. We optimise for the ascii case, knowing that all our
>@@ -1439,11 +1443,13 @@ void strupper_m(char *s)
> 	/* I assume that lowercased string takes the same number of bytes
> 	 * as source string even in multibyte encoding. (VIV) */
> 	len = strlen(s) + 1;
>+	errno_save = errno;
> 	errno = 0;
> 	unix_strupper(s,len,s,len);	
> 	/* Catch mb conversion errors that may not terminate. */
> 	if (errno)
> 		s[len-1] = '\0';
>+	errno = errno_save;
> }
> 
> /**

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