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-rw-r--r--src/dstring.c57
1 files changed, 41 insertions, 16 deletions
diff --git a/src/dstring.c b/src/dstring.c
index f019ba9..dada70b 100644
--- a/src/dstring.c
+++ b/src/dstring.c
@@ -54,12 +54,18 @@ char *dstralloc(size_t capacity) {
}
char *dstrdup(const char *str) {
- size_t len = strlen(str);
- return dstralloc_impl(len, len, str);
+ return dstrxdup(str, strlen(str));
}
char *dstrndup(const char *str, size_t n) {
- size_t len = strnlen(str, n);
+ return dstrxdup(str, strnlen(str, n));
+}
+
+char *dstrddup(const char *dstr) {
+ return dstrxdup(dstr, dstrlen(dstr));
+}
+
+char *dstrxdup(const char *str, size_t len) {
return dstralloc_impl(len, len, str);
}
@@ -98,37 +104,56 @@ int dstresize(char **dstr, size_t length) {
struct dstring *header = dstrheader(*dstr);
header->length = length;
header->data[length] = '\0';
-
return 0;
}
-/** Common implementation of dstr{cat,ncat,app}. */
-static int dstrcat_impl(char **dest, const char *src, size_t srclen) {
+int dstrcat(char **dest, const char *src) {
+ return dstrxcat(dest, src, strlen(src));
+}
+
+int dstrncat(char **dest, const char *src, size_t n) {
+ return dstrxcat(dest, src, strnlen(src, n));
+}
+
+int dstrdcat(char **dest, const char *src) {
+ return dstrxcat(dest, src, dstrlen(src));
+}
+
+int dstrxcat(char **dest, const char *src, size_t len) {
size_t oldlen = dstrlen(*dest);
- size_t newlen = oldlen + srclen;
+ size_t newlen = oldlen + len;
if (dstresize(dest, newlen) != 0) {
return -1;
}
- memcpy(*dest + oldlen, src, srclen);
+ memcpy(*dest + oldlen, src, len);
return 0;
}
-int dstrcat(char **dest, const char *src) {
- return dstrcat_impl(dest, src, strlen(src));
+int dstrapp(char **str, char c) {
+ return dstrxcat(str, &c, 1);
}
-int dstrncat(char **dest, const char *src, size_t n) {
- return dstrcat_impl(dest, src, strnlen(src, n));
+int dstrcpy(char **dest, const char *src) {
+ return dstrxcpy(dest, src, strlen(src));
}
-int dstrdcat(char **dest, const char *src) {
- return dstrcat_impl(dest, src, dstrlen(src));
+int dstrncpy(char **dest, const char *src, size_t n) {
+ return dstrxcpy(dest, src, strnlen(src, n));
}
-int dstrapp(char **str, char c) {
- return dstrcat_impl(str, &c, 1);
+int dstrdcpy(char **dest, const char *src) {
+ return dstrxcpy(dest, src, dstrlen(src));
+}
+
+int dstrxcpy(char **dest, const char *src, size_t len) {
+ if (dstresize(dest, len) != 0) {
+ return -1;
+ }
+
+ memcpy(*dest, src, len);
+ return 0;
}
char *dstrprintf(const char *format, ...) {