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6fb737be5e
A useful shell safety helper sq_expand() was hidden as a static function in diff.c. Extract it out and make it available as sq_quote(). Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
26 lines
752 B
C
26 lines
752 B
C
#ifndef QUOTE_H
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#define QUOTE_H
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/* Help to copy the thing properly quoted for the shell safety.
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* any single quote is replaced with '\'', and the whole thing
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* is enclosed in a single quote pair.
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*
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* For example, if you are passing the result to system() as an
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* argument:
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*
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* sprintf(cmd, "foobar %s %s", sq_quote(arg0), sq_quote(arg1))
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*
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* would be appropriate. If the system() is going to call ssh to
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* run the command on the other side:
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*
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* sprintf(cmd, "git-diff-tree %s %s", sq_quote(arg0), sq_quote(arg1));
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* sprintf(rcmd, "ssh %s %s", sq_quote(host), sq_quote(cmd));
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*
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* Note that the above examples leak memory! Remember to free result from
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* sq_quote() in a real application.
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*/
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char *sq_quote(const char *src);
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#endif
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