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Add string comparison functions that respect the ignore_case variable.

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Multiple locations within this patch series alter a case sensitive
string comparison call such as strcmp() to be a call to a string
comparison call that selects case comparison based on the global
ignore_case variable. Behaviorally, when core.ignorecase=false, the
*_icase() versions are functionally equivalent to their C runtime
counterparts.  When core.ignorecase=true, the *_icase() versions perform
a case insensitive comparison.

Like Linus' earlier ignorecase patch, these may ignore filename
conventions on certain file systems. By isolating filename comparisons
to certain functions, support for those filename conventions may be more
easily met.

Signed-off-by: Joshua Jensen <jjensen@workspacewhiz.com>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Joshua Jensen 2010-10-03 09:56:41 +00:00 committed by Junio C Hamano
parent 4de066b6f1
commit 8cf2a84e9d
2 changed files with 20 additions and 0 deletions
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16
dir.c
View File

@ -18,6 +18,22 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, in
int check_only, const struct path_simplify *simplify); int check_only, const struct path_simplify *simplify);
static int get_dtype(struct dirent *de, const char *path, int len); static int get_dtype(struct dirent *de, const char *path, int len);
/* helper string functions with support for the ignore_case flag */
int strcmp_icase(const char *a, const char *b)
{
return ignore_case ? strcasecmp(a, b) : strcmp(a, b);
}
int strncmp_icase(const char *a, const char *b, size_t count)
{
return ignore_case ? strncasecmp(a, b, count) : strncmp(a, b, count);
}
int fnmatch_icase(const char *pattern, const char *string, int flags)
{
return fnmatch(pattern, string, flags | (ignore_case ? FNM_CASEFOLD : 0));
}
static int common_prefix(const char **pathspec) static int common_prefix(const char **pathspec)
{ {
const char *path, *slash, *next; const char *path, *slash, *next;

4
dir.h
View File

@ -101,4 +101,8 @@ extern int remove_dir_recursively(struct strbuf *path, int flag);
/* tries to remove the path with empty directories along it, ignores ENOENT */ /* tries to remove the path with empty directories along it, ignores ENOENT */
extern int remove_path(const char *path); extern int remove_path(const char *path);
extern int strcmp_icase(const char *a, const char *b);
extern int strncmp_icase(const char *a, const char *b, size_t count);
extern int fnmatch_icase(const char *pattern, const char *string, int flags);
#endif #endif