94df290404
Strings are sometimes sanitized by replacing a certain character (often '/') by another (often '!'). In a few places, this is done the same way Schlemiel the Painter would do it. Others are slightly smarter but still do multiple strchr() calls. Introduce strreplace() to do this using a single function call and a single pass over the string. One would expect the return value to be one of three things: void, s, or the number of replacements made. I chose the fourth, returning a pointer to the end of the string. This is more likely to be useful (for example allowing the caller to avoid a strlen call). Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Neil Brown <neilb@suse.de> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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