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authorJim Meyering <jim@meyering.net>2006-05-03 10:07:36 +0000
committerJim Meyering <jim@meyering.net>2006-05-03 10:07:36 +0000
commit1f350a9d3484877ccc912d393efc6bcb51992a2c (patch)
tree7fa61191ca0bae5995f0e19573754b03c11a7b96 /src/ls.c
parenta99440c4eeba2b231d402a4c2d8883fcdff2a217 (diff)
downloadcoreutils-1f350a9d3484877ccc912d393efc6bcb51992a2c.tar.xz
(DEFINE_SORT_FUNCTIONS, LIST_SORTFUNCTION_VARIANTS):
Use better macro parameter names: s/basename/key_name/, s/basefunc/key_cmp_func. Fix typo in comment.
Diffstat (limited to 'src/ls.c')
-rw-r--r--src/ls.c67
1 files changed, 34 insertions, 33 deletions
diff --git a/src/ls.c b/src/ls.c
index 6afca7ed6..d990f2dc3 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -2920,33 +2920,34 @@ typedef int (*qsortFunc)(V a, V b);
while (0)
/* Define the 8 different sort function variants required for each sortkey.
- The 'basefunc' should be an inline function so that compiler will be able
- to optimize all these functions. The 'basename' argument is prefixed with
- the '[rev_][x]str{cmp|coll}[_df]_' string to create the function name. */
-#define DEFINE_SORT_FUNCTIONS(basename, basefunc) \
- /* direct, non-dirfirst versions */ \
- static int xstrcoll_##basename (V a, V b) \
- { return basefunc (a, b, xstrcoll); } \
- static int strcmp_##basename (V a, V b) \
- { return basefunc (a, b, strcmp); } \
- \
- /* reverse, non-dirfirst versions */ \
- static int rev_xstrcoll_##basename (V a, V b) \
- { return basefunc (b, a, xstrcoll); } \
- static int rev_strcmp_##basename (V a, V b) \
- { return basefunc (b, a, strcmp); } \
- \
- /* direct, dirfirst versions */ \
- static int xstrcoll_df_##basename (V a, V b) \
- { DIRFIRST_CHECK (a, b); return basefunc (a, b, xstrcoll); } \
- static int strcmp_df_##basename (V a, V b) \
- { DIRFIRST_CHECK (a, b); return basefunc (a, b, strcmp); } \
- \
- /* reverse, dirfirst versions */ \
- static int rev_xstrcoll_df_##basename (V a, V b) \
- { DIRFIRST_CHECK (a, b); return basefunc (b, a, xstrcoll); } \
- static int rev_strcmp_df_##basename (V a, V b) \
- { DIRFIRST_CHECK (a, b); return basefunc (b, a, strcmp); }
+ KEY_NAME is a string describing the sort key, e.g., ctime, atime, size.
+ KEY_CMP_FUNC is a function to compare records based on that key, e.g.,
+ ctime_cmp, atime_cmp, size_cmp. Append KEY_NAME to the string,
+ '[rev_][x]str{cmp|coll}[_df]_', to create each function name. */
+#define DEFINE_SORT_FUNCTIONS(key_name, key_cmp_func) \
+ /* direct, non-dirfirst versions */ \
+ static int xstrcoll_##key_name (V a, V b) \
+ { return key_cmp_func (a, b, xstrcoll); } \
+ static int strcmp_##key_name (V a, V b) \
+ { return key_cmp_func (a, b, strcmp); } \
+ \
+ /* reverse, non-dirfirst versions */ \
+ static int rev_xstrcoll_##key_name (V a, V b) \
+ { return key_cmp_func (b, a, xstrcoll); } \
+ static int rev_strcmp_##key_name (V a, V b) \
+ { return key_cmp_func (b, a, strcmp); } \
+ \
+ /* direct, dirfirst versions */ \
+ static int xstrcoll_df_##key_name (V a, V b) \
+ { DIRFIRST_CHECK (a, b); return key_cmp_func (a, b, xstrcoll); } \
+ static int strcmp_df_##key_name (V a, V b) \
+ { DIRFIRST_CHECK (a, b); return key_cmp_func (a, b, strcmp); } \
+ \
+ /* reverse, dirfirst versions */ \
+ static int rev_xstrcoll_df_##key_name (V a, V b) \
+ { DIRFIRST_CHECK (a, b); return key_cmp_func (b, a, xstrcoll); } \
+ static int rev_strcmp_df_##key_name (V a, V b) \
+ { DIRFIRST_CHECK (a, b); return key_cmp_func (b, a, strcmp); }
static inline int
cmp_ctime (struct fileinfo const *a, struct fileinfo const *b,
@@ -3036,7 +3037,7 @@ static int rev_xstrcoll_df_version (V a, V b)
/* We have 2^3 different variants for each sortkey function
- (for 3 indipendent sort modes).
+ (for 3 independent sort modes).
The function pointers stored in this array must be dereferenced as:
sort_variants[sort_key][use_strcmp][reverse][dirs_first]
@@ -3045,15 +3046,15 @@ static int rev_xstrcoll_df_version (V a, V b)
array below is defined by the order of the elements in the time_type and
sort_type enums! */
-#define LIST_SORTFUNCTION_VARIANTS(basename) \
+#define LIST_SORTFUNCTION_VARIANTS(key_name) \
{ \
{ \
- { xstrcoll_##basename, xstrcoll_df_##basename }, \
- { rev_xstrcoll_##basename, rev_xstrcoll_df_##basename }, \
+ { xstrcoll_##key_name, xstrcoll_df_##key_name }, \
+ { rev_xstrcoll_##key_name, rev_xstrcoll_df_##key_name }, \
}, \
{ \
- { strcmp_##basename, strcmp_df_##basename }, \
- { rev_strcmp_##basename, rev_strcmp_df_##basename }, \
+ { strcmp_##key_name, strcmp_df_##key_name }, \
+ { rev_strcmp_##key_name, rev_strcmp_df_##key_name }, \
} \
}