sortix-mirror/sh/util.h

44 lines
1.4 KiB
C

/*
* Copyright (c) 2011, 2012, 2013, 2014, 2015 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* util.h
* Utility functions.
*/
#ifndef UTIL_H
#define UTIL_H
char* strdup_safe(const char* string);
const char* getenv_safe_def(const char* name, const char* def);
const char* getenv_safe(const char* name);
bool array_add(void*** array_ptr,
size_t* used_ptr,
size_t* length_ptr,
void* value);
bool might_need_shell_quote(char c);
struct stringbuf
{
char* string;
size_t length;
size_t allocated_size;
};
void stringbuf_begin(struct stringbuf* buf);
void stringbuf_append_c(struct stringbuf* buf, char c);
char* stringbuf_finish(struct stringbuf* buf);
#endif