77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
/* radare - LGPL - Copyright 2013 - pancake */
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#include "r_types.h"
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#include "r_util.h"
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#include <stdio.h>
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R_API RStrBuf *r_strbuf_new() {
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return R_NEW0 (RStrBuf);
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}
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R_API void r_strbuf_init(RStrBuf *sb) {
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memset (sb, 0, sizeof (RStrBuf));
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}
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R_API void r_strbuf_set(RStrBuf *sb, const char *s) {
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int l = strlen (s);
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if (l>=sizeof (sb->buf)) {
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free (sb->ptr);
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sb->ptr = malloc (l+1);
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memcpy (sb->ptr, s, l+1);
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} else {
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sb->ptr = NULL;
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memcpy (sb->buf, s, l+1);
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}
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sb->len = l;
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}
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R_API void r_strbuf_setf(RStrBuf *sb, const char *fmt, ...) {
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int ret;
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char string[4096];
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va_list ap;
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va_start (ap, fmt);
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ret = vsnprintf (string, sizeof (string), fmt, ap);
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if (ret>=sizeof (string)) {
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char *p = malloc (ret+2);
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if (!p) return;
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vsnprintf (p, ret+1, fmt, ap);
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r_strbuf_set (sb, p);
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free (p);
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} else r_strbuf_set (sb, string);
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va_end (ap);
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}
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R_API void r_strbuf_append(RStrBuf *sb, const char *s) {
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int l = strlen (s);
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if ((sb->len+l+1)<sizeof (sb->buf)) {
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strcpy (sb->buf+sb->len, s);
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sb->ptr = NULL;
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} else {
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char *p = malloc (sb->len+l+1);
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strcpy (p, sb->ptr?sb->ptr:sb->buf);
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strcpy (p+sb->len, s);
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free (sb->ptr);
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sb->ptr = p;
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}
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sb->len += l;
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}
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R_API char *r_strbuf_get(RStrBuf *sb) {
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if (sb) {
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if (sb->ptr)
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return sb->ptr;
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return sb->buf;
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}
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return NULL;
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}
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R_API void r_strbuf_free(RStrBuf *sb) {
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r_strbuf_fini (sb);
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free (sb);
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}
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R_API void r_strbuf_fini(RStrBuf *sb) {
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if (sb && sb->ptr)
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free (sb->ptr);
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}
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