Page MenuHomeClusterLabs Projects
Files F3154297

dynar-str.c
No OneTemporary
Actions

dynar-str.c
View Options

/*
* Copyright (c) 2015-2016 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Jan Friesse (jfriesse@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* 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.
* - Neither the name of the Red Hat, Inc. nor the names of its
* contributors may 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.
*/
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include "dynar-str.h"
int
dynar_str_cpy(struct dynar *dest, const char *str)
{
if (strlen(str) > dynar_max_size(dest)) {
return (-1);
}
dynar_clean(dest);
return (dynar_str_cat(dest, str));
}
int
dynar_str_cat(struct dynar *dest, const char *str)
{
return (dynar_cat(dest, str, strlen(str)));
}
int
dynar_str_prepend(struct dynar *dest, const char *str)
{
return (dynar_prepend(dest, str, strlen(str)));
}
int
dynar_str_vcatf(struct dynar *dest, const char *format, va_list ap)
{
int to_write;
int written;
va_list ap_copy;
size_t allocated;
char buf;
char *p;
/*
* Find out how much bytes is needed
*/
va_copy(ap_copy, ap);
to_write = vsnprintf(&buf, sizeof(buf), format, ap_copy);
va_end(ap_copy);
if (to_write < 0) {
return (-1);
}
if (to_write < sizeof(buf)) {
/*
* Writing 1 byte string (snprintf writes also '\0') means string is empty
*/
return (0);
}
allocated = to_write + 1;
if (dynar_prealloc(dest, allocated) != 0) {
return (-1);
}
p = dynar_data(dest) + dynar_size(dest);
va_copy(ap_copy, ap);
written = vsnprintf(p, allocated, format, ap_copy);
va_end(ap_copy);
if (written >= allocated) {
return (-1);
}
dest->size += written;
return (written);
}
int
dynar_str_catf(struct dynar *dest, const char *format, ...)
{
va_list ap;
int res;
va_start(ap, format);
res = dynar_str_vcatf(dest, format, ap);
va_end(ap);
return (res);
}
int
dynar_str_quote_cat(struct dynar *dest, const char *str)
{
size_t zi;
if (dynar_str_cat(dest, "\"") != 0) {
return (-1);
}
for (zi = 0; zi < strlen(str); zi++) {
if (str[zi] == '"' || str[zi] == '\\') {
if (dynar_str_cat(dest, "\\") != 0) {
return (-1);
}
}
if (dynar_cat(dest, &str[zi], sizeof(str[zi])) != 0) {
return (-1);
}
}
if (dynar_str_cat(dest, "\"") != 0) {
return (-1);
}
return (0);
}
int
dynar_str_quote_cpy(struct dynar *dest, const char *str)
{
dynar_clean(dest);
return (dynar_str_quote_cat(dest, str));
}

File Metadata

Mime Type
text/x-c
Expires
Wed, Feb 26, 11:40 AM (23 h, 7 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
1465312
Default Alt Text
dynar-str.c (3 KB)

Event Timeline