85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/* A static string buffer, with overflow protection.
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifndef IM_VBUF_H
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#define IM_VBUF_H
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#ifdef __cplusplus
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extern "C" {
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#endif /*__cplusplus*/
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/* A string in the process of being written to ... multiple calls to
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* buf_append add to it, on overflow append "..." and block further writes.
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*/
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typedef struct {
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char *base; /* String base */
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int mx; /* Maximum length */
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int i; /* Current write point */
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gboolean full; /* String has filled, block writes */
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int lasti; /* For read-recent */
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gboolean dynamic; /* We own the string with malloc() */
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} VBuf;
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/* Static init of one of these.
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*/
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#define IM_BUF_STATIC( TEXT, MAX ) \
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{ &TEXT[0], MAX, 0, FALSE, 0, FALSE }
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void im_buf_rewind( VBuf *buf );
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void im_buf_destroy( VBuf *buf );
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void im_buf_init( VBuf *buf );
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void im_buf_set_static( VBuf *buf, char *base, int mx );
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void im_buf_set_dynamic( VBuf *buf, int mx );
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void im_buf_init_static( VBuf *buf, char *base, int mx );
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void im_buf_init_dynamic( VBuf *buf, int mx );
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gboolean im_buf_appendns( VBuf *buf, const char *str, int sz );
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gboolean im_buf_appends( VBuf *buf, const char *str );
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gboolean im_buf_appendline( VBuf *buf, const char *str );
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gboolean im_buf_appendf( VBuf *buf, const char *fmt, ... )
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__attribute__((format(printf, 2, 3)));
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gboolean im_buf_vappendf( VBuf *buf, const char *fmt, va_list ap );
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gboolean im_buf_appendc( VBuf *buf, char ch );
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gboolean im_buf_appendg( VBuf *buf, double g );
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gboolean im_buf_appendsc( VBuf *buf, const char *str );
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gboolean im_buf_removec( VBuf *buf, char ch );
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gboolean im_buf_change( VBuf *buf, const char *old, const char * );
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gboolean im_buf_isempty( VBuf *buf );
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gboolean im_buf_isfull( VBuf *buf );
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const char *im_buf_all( VBuf *buf );
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gboolean im_buf_appendd( VBuf *buf, int d );
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int im_buf_len( VBuf *buf );
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#ifdef __cplusplus
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}
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#endif /*__cplusplus*/
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#endif /*IM_VBUF_H*/
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