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authorStefan Metzmacher <metze@samba.org>2007-09-18 11:54:10 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 15:06:53 -0500
commit46d369b0f0ad9213e461457ec960cb43ec918ebe (patch)
treeddac865e295f964420be254774492dda6a21028c
parent22b827ccbdbac3d1b682b877050356b7a31f5c11 (diff)
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r25208: add talloc_str[n]dup_append[_buffer]() functions
metze (This used to be commit 8532076720ddaf3409db1196550cd7c6884380fc)
-rw-r--r--source4/lib/talloc/talloc.c96
-rw-r--r--source4/lib/talloc/talloc.h27
2 files changed, 114 insertions, 9 deletions
diff --git a/source4/lib/talloc/talloc.c b/source4/lib/talloc/talloc.c
index 92970426e8..0b4d977aa7 100644
--- a/source4/lib/talloc/talloc.c
+++ b/source4/lib/talloc/talloc.c
@@ -1167,6 +1167,102 @@ char *talloc_strndup(const void *t, const char *p, size_t n)
return __talloc_strlendup(t, p, strnlen(p, n));
}
+static inline char *__talloc_strlendup_append(char *s, size_t slen,
+ const char *a, size_t alen)
+{
+ char *ret;
+
+ ret = talloc_realloc(NULL, s, char, slen + alen + 1);
+ if (unlikely(!ret)) return NULL;
+
+ /* append the string and the trailing \0 */
+ memcpy(&ret[slen], a, alen);
+ ret[slen+alen] = 0;
+
+ _talloc_set_name_const(ret, ret);
+ return ret;
+}
+
+/*
+ * Appends at the end of the string.
+ */
+char *talloc_strdup_append(char *s, const char *a)
+{
+ if (unlikely(!s)) {
+ return talloc_strdup(NULL, a);
+ }
+
+ if (unlikely(!a)) {
+ return s;
+ }
+
+ return __talloc_strlendup_append(s, strlen(s), a, strlen(a));
+}
+
+/*
+ * Appends at the end of the talloc'ed buffer,
+ * not the end of the string.
+ */
+char *talloc_strdup_append_buffer(char *s, const char *a)
+{
+ size_t slen;
+
+ if (unlikely(!s)) {
+ return talloc_strdup(NULL, a);
+ }
+
+ if (unlikely(!a)) {
+ return s;
+ }
+
+ slen = talloc_get_size(s);
+ if (likely(slen > 0)) {
+ slen--;
+ }
+
+ return __talloc_strlendup_append(s, slen, a, strlen(a));
+}
+
+/*
+ * Appends at the end of the string.
+ */
+char *talloc_strndup_append(char *s, const char *a, size_t n)
+{
+ if (unlikely(!s)) {
+ return talloc_strdup(NULL, a);
+ }
+
+ if (unlikely(!a)) {
+ return s;
+ }
+
+ return __talloc_strlendup_append(s, strlen(s), a, strnlen(a, n));
+}
+
+/*
+ * Appends at the end of the talloc'ed buffer,
+ * not the end of the string.
+ */
+char *talloc_strndup_append_buffer(char *s, const char *a, size_t n)
+{
+ size_t slen;
+
+ if (unlikely(!s)) {
+ return talloc_strdup(NULL, a);
+ }
+
+ if (unlikely(!a)) {
+ return s;
+ }
+
+ slen = talloc_get_size(s);
+ if (likely(slen > 0)) {
+ slen--;
+ }
+
+ return __talloc_strlendup_append(s, slen, a, strnlen(a, n));
+}
+
#ifndef HAVE_VA_COPY
#ifdef HAVE___VA_COPY
#define va_copy(dest, src) __va_copy(dest, src)
diff --git a/source4/lib/talloc/talloc.h b/source4/lib/talloc/talloc.h
index 95152a1416..72af4dbfa8 100644
--- a/source4/lib/talloc/talloc.h
+++ b/source4/lib/talloc/talloc.h
@@ -152,15 +152,6 @@ void talloc_enable_leak_report(void);
void talloc_enable_leak_report_full(void);
void *_talloc_zero(const void *ctx, size_t size, const char *name);
void *_talloc_memdup(const void *t, const void *p, size_t size, const char *name);
-char *talloc_strdup(const void *t, const char *p);
-char *talloc_strndup(const void *t, const char *p, size_t n);
-char *talloc_append_string(const void *t, char *orig, const char *append);
-char *talloc_vasprintf(const void *t, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
-char *talloc_vasprintf_append(char *s, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
-char *talloc_vasprintf_append_buffer(char *s, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
-char *talloc_asprintf(const void *t, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
-char *talloc_asprintf_append(char *s, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
-char *talloc_asprintf_append_buffer(char *s, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
void *_talloc_array(const void *ctx, size_t el_size, unsigned count, const char *name);
void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name);
void *_talloc_realloc_array(const void *ctx, void *ptr, size_t el_size, unsigned count, const char *name);
@@ -171,4 +162,22 @@ void *talloc_find_parent_byname(const void *ctx, const char *name);
void talloc_show_parents(const void *context, FILE *file);
int talloc_is_parent(const void *context, const void *ptr);
+char *talloc_strdup(const void *t, const char *p);
+char *talloc_strdup_append(char *s, const char *a);
+char *talloc_strdup_append_buffer(char *s, const char *a);
+
+char *talloc_strndup(const void *t, const char *p, size_t n);
+char *talloc_strndup_append(char *s, const char *a, size_t n);
+char *talloc_strndup_append_buffer(char *s, const char *a, size_t n);
+
+char *talloc_vasprintf(const void *t, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
+char *talloc_vasprintf_append(char *s, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
+char *talloc_vasprintf_append_buffer(char *s, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
+
+char *talloc_asprintf(const void *t, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
+char *talloc_asprintf_append(char *s, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
+char *talloc_asprintf_append_buffer(char *s, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
+
+char *talloc_append_string(const void *t, char *orig, const char *append);
+
#endif