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90 lines
3.2 KiB
C
90 lines
3.2 KiB
C
/*
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Serval string buffer helper functions.
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Copyright (C) 2012 Serval Project Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __STRBUF_HELPERS_H__
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#define __STRBUF_HELPERS_H__
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#include "strbuf.h"
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/* Append a representation of the given chars in a given buffer (including nul
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* chars) in printable format, ie, with non-printable characters expanded to \n
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* \r \t \0 \\ \xHH.
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* @author Andrew Bettison <andrew@servalproject.com>
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*/
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strbuf strbuf_toprint_len(strbuf sb, const char *buf, size_t len);
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/* Equivalent to strbuf_toprint_len(sb, str, strlen(str)).
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* @author Andrew Bettison <andrew@servalproject.com>
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*/
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strbuf strbuf_toprint(strbuf sb, const char *str);
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/* Same as strbuf_toprint_len, but also delimits the appended printable text
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* with a given quote character and escapes that quotation char with a
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* backslash within the text.
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* @author Andrew Bettison <andrew@servalproject.com>
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*/
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strbuf strbuf_toprint_quoted_len(strbuf sb, const char quotes[2], const char *buf, size_t len);
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/* Equivalent to strbuf_toprint_quoted_len(sb, str, strlen(str)).
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* @author Andrew Bettison <andrew@servalproject.com>
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*/
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strbuf strbuf_toprint_quoted(strbuf sb, const char quotes[2], const char *str);
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/* Append a symbolic representation of the poll(2) event flags.
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* @author Andrew Bettison <andrew@servalproject.com>
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*/
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strbuf strbuf_append_poll_events(strbuf sb, short events);
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/* Append a nul-terminated string as a single-quoted shell word which, if
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* expanded in a shell command line, would evaluate to the original string.
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* Eg:
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* "abc" -> "'abc'"
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* "" -> "''"
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* "O'Toole" -> "'O'\''Toole'"
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*
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* @author Andrew Bettison <andrew@servalproject.com>
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*/
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strbuf strbuf_append_shell_quote(strbuf sb, const char *word);
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/* Append a nul-terminated string as a shell word, quoted if it contains shell
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* metacharacters or spaces. In other words, is acts like
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* str_append_shell_quote() but only if needed. Eg:
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* "abc" -> "abc"
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* "a b c " -> "'a b c '"
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* "$abc" -> "'$abc'"
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* "" -> "''"
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*
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* @author Andrew Bettison <andrew@servalproject.com>
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*/
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strbuf strbuf_append_shell_quotemeta(strbuf sb, const char *word);
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/* Append a textual description of a process exit status as produced by wait(2)
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* and waitpid(2).
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* @author Andrew Bettison <andrew@servalproject.com>
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*/
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strbuf strbuf_append_exit_status(strbuf sb, int status);
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/* Append a textual description of a struct sockaddr_in.
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* @author Andrew Bettison <andrew@servalproject.com>
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*/
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struct sockaddr;
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strbuf strbuf_append_sockaddr(strbuf sb, const struct sockaddr *);
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#endif //__STRBUF_HELPERS_H__
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