diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile.am | 1 | ||||
| -rw-r--r-- | common/argv.c | 115 | ||||
| -rw-r--r-- | common/argv.h | 44 |
3 files changed, 160 insertions, 0 deletions
diff --git a/common/Makefile.am b/common/Makefile.am index b583a5c..d7b4439 100644 --- a/common/Makefile.am +++ b/common/Makefile.am @@ -16,6 +16,7 @@ noinst_LTLIBRARIES = \ $(NULL) libp11_common_la_SOURCES = \ + argv.c argv.h \ attrs.c attrs.h \ array.c array.h \ buffer.c buffer.h \ diff --git a/common/argv.c b/common/argv.c new file mode 100644 index 0000000..6d91bfa --- /dev/null +++ b/common/argv.c @@ -0,0 +1,115 @@ +/* + * Copyright (C) 2012 Red Hat Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * * Redistributions in binary form must reproduce the + * above copyright notice, this list of conditions and + * the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * * The names of contributors to this software may not be + * used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * Author: Stef Walter <stefw@redhat.com> + */ + +#include "config.h" + +#include "argv.h" +#include "debug.h" + +#include <ctype.h> +#include <stdlib.h> +#include <string.h> + +bool +p11_argv_parse (const char *string, + void (*sink) (char *, void *), + void *argument) +{ + char quote = '\0'; + char *src, *dup, *at, *arg; + bool ret = true; + + return_val_if_fail (string != NULL, false); + return_val_if_fail (sink != NULL, false); + + src = dup = strdup (string); + return_val_if_fail (dup != NULL, false); + + arg = at = src; + for (src = dup; *src; src++) { + + /* Matching quote */ + if (quote == *src) { + quote = '\0'; + + /* Inside of quotes */ + } else if (quote != '\0') { + if (*src == '\\') { + *at++ = *src++; + if (!*src) { + ret = false; + goto done; + } + if (*src != quote) + *at++ = '\\'; + } + *at++ = *src; + + /* Space, not inside of quotes */ + } else if (isspace (*src)) { + *at = 0; + sink (arg, argument); + arg = at; + + /* Other character outside of quotes */ + } else { + switch (*src) { + case '\'': + case '"': + quote = *src; + break; + case '\\': + *at++ = *src++; + if (!*src) { + ret = false; + goto done; + } + /* fall through */ + default: + *at++ = *src; + break; + } + } + } + + + if (at != arg) { + *at = 0; + sink (arg, argument); + } + +done: + free (dup); + return ret; +} diff --git a/common/argv.h b/common/argv.h new file mode 100644 index 0000000..8f95490 --- /dev/null +++ b/common/argv.h @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2012 Red Hat Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * * Redistributions in binary form must reproduce the + * above copyright notice, this list of conditions and + * the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * * The names of contributors to this software may not be + * used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * Author: Stef Walter <stefw@redhat.com> + */ + +#ifndef P11_ARGV_H_ +#define P11_ARGV_H_ + +#include "compat.h" + +bool p11_argv_parse (const char *string, + void (*sink) (char *, void *), + void *argument); + +#endif /* P11_ARGV_H_ */ |