Merge branch 'rename-yasl'

3 files changed, 318 insertions, 318 deletions

diff --git a/src/sds.h b/src/sds.h
deleted file mode 100644
index 6b3a951..0000000
--- a/src/sds.h
+++ /dev/null
@@ -1,131 +0,0 @@
-/* SDS (Simple Dynamic Strings), A C dynamic strings library.
- *
- * Copyright (c) 2006-2014, Salvatore Sanfilippo <antirez at gmail dot com>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *   * Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *   * Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef SDS_H
-#define SDS_H
-
-#define SDS_MAX_PREALLOC (1024*1024)
-
-#include <stdarg.h>
-#include <stddef.h>
-#include <sys/types.h>
-
-typedef char *sds;
-
-struct sdshdr {
-	size_t len;
-	size_t free;
-	char buf[];
-};
-
-
-/**
- * User API function prototypes
- */
-
-/// Initialization
-sds    sdsnew(const void *init, size_t initlen);
-sds    sdsdup(const sds s);
-sds    sdsempty(void);
-sds    sdsfromlonglong(long long value);
-
-
-/// Querying
-int    sdscmp(const sds s1, const sds s2);
-
-
-/// Modification
-void   sdsclear(sds s);
-sds    sdsgrowzero(sds s, size_t len);
-sds    sdscpylen(sds s, const char *t, size_t len);
-sds    sdscpy(sds s, const char *t);
-sds    sdsjoin(char **argv, int argc, char *sep, size_t seplen);
-sds    sdsjoinsds(sds *argv, int argc, const char *sep, size_t seplen);
-sds    sdsmapchars(sds s, const char *from, const char *to, size_t setlen);
-void   sdsrange(sds s, ptrdiff_t start, ptrdiff_t end);
-void   sdstolower(sds s);
-void   sdstoupper(sds s);
-void   sdstrim(sds s, const char *cset);
-void   sdsupdatelen(sds s);
-sds   *sdssplitargs(const char *line, int *argc);
-sds   *sdssplitlen(const char *s, size_t len, const char *sep, size_t seplen, size_t *count);
-
-// Concatenation
-sds    sdscat(sds s, const char *t);
-sds    sdscatsds(sds s, const sds t);
-sds    sdscatlen(sds s, const void *t, size_t len);
-sds    sdscatrepr(sds s, const char *p, size_t len);
-sds    sdscatvprintf(sds s, const char *fmt, va_list ap);
-#ifdef __GNUC__
-sds    sdscatprintf(sds s, const char *fmt, ...)
-            __attribute__((format(printf, 2, 3)));
-#else
-sds    sdscatprintf(sds s, const char *fmt, ...);
-#endif
-
-
-/// Freeing
-void   sdsfree(sds s);
-void   sdsfreesplitres(sds *tokens, size_t count);
-
-
-/// Low-level API function prototypes
-size_t sdsAllocSize(sds s);
-void   sdsIncrLen(sds s, size_t incr);
-sds    sdsMakeRoomFor(sds s, size_t addlen);
-sds    sdsRemoveFreeSpace(sds s);
-
-
-/// Low-level helper functions
-int    is_hex_digit(char c);
-int    hex_digit_to_int(char c);
-
-
-/**
- * Inline functions
- */
-
-static inline struct sdshdr *sdsheader(const sds s) {
-	/* The sdshdr pointer has a different alignment than the original char
-	 * pointer, so cast it through a void pointer to silence the warning. */
-	return (void *)(s - (sizeof (struct sdshdr)));
-}
-
-static inline sds sdsauto(const char *s) {
-	return sdsnew(s, s ? strlen(s) : 0);
-}
-
-static inline size_t sdsavail(const sds s) {
-	return sdsheader(s)->free;
-}
-
-static inline size_t sdslen(const sds s) {
-	return sdsheader(s)->len;
-}
-
-
-#endif
diff --git a/src/sds.c b/src/yasl.c
index 674fc48..265e86c 100644
--- a/src/sds.c
+++ b/src/yasl.c
@@ -1,4 +1,4 @@
-/* SDS (Simple Dynamic Strings), A C dynamic strings library.
+/* yasl, Yet Another String Library for C
  *
  * Copyright (c) 2006-2014, Salvatore Sanfilippo <antirez at gmail dot com>
  * All rights reserved.
@@ -32,30 +32,30 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "sds.h"
+#include "yasl.h"
 
 
 /// Initialization
 
-/* Create a new sds string with the content specified by the 'init' pointer
+/* Create a new yasl string with the content specified by the 'init' pointer
  * and 'initlen'.
  * If NULL is used for 'init' the string is initialized with zero bytes.
  *
- * The string is always null-termined (all the sds strings are, always) so
- * even if you create an sds string with:
+ * The string is always null-termined (all the yasl strings are, always) so
+ * even if you create a yasl string with:
  *
- * mystring = sdsnew("abc", 3");
+ * mystring = yaslnew("abc", 3");
  *
  * You can print the string with printf() as there is an implicit \0 at the
  * end of the string. However the string is binary safe and can contain
- * \0 characters in the middle, as the length is stored in the sds header. */
-sds sdsnew(const void *init, size_t initlen) {
-	struct sdshdr *sh;
+ * \0 characters in the middle, as the length is stored in the yasl header. */
+yastr yaslnew(const void *init, size_t initlen) {
+	struct yastrhdr *sh;
 
 	if (init) {
-		sh = malloc(sizeof(struct sdshdr) + initlen + 1);
+		sh = malloc(sizeof(struct yastrhdr) + initlen + 1);
 	} else {
-		sh = calloc(sizeof(struct sdshdr) + initlen + 1, 1);
+		sh = calloc(sizeof(struct yastrhdr) + initlen + 1, 1);
 	}
 	if (sh == NULL) { return NULL; }
 
@@ -68,22 +68,22 @@ sds sdsnew(const void *init, size_t initlen) {
 	return (char*)sh->buf;
 }
 
-/* Duplicate an sds string. */
-sds sdsdup(const sds s) {
-	return sdsnew(s, sdslen(s));
+/* Duplicate a yasl string. */
+yastr yasldup(const yastr s) {
+	return yaslnew(s, yasllen(s));
 }
 
-/* Create an empty (zero length) sds string. Even in this case the string
+/* Create an empty (zero length) yasl string. Even in this case the string
  * always has an implicit null term. */
-sds sdsempty(void) {
-	return sdsnew("", 0);
+yastr yaslempty(void) {
+	return yaslnew("", 0);
 }
 
-/* Create an sds string from a long long value. It is much faster than:
+/* Create a yasl string from a long long value. It is much faster than:
  *
- * sdscatprintf(sdsempty(), "%lld\n", value);
+ * yaslcatprintf(yaslempty(), "%lld\n", value);
  */
-sds sdsfromlonglong(long long value) {
+yastr yaslfromlonglong(long long value) {
 	char buf[32], *p;
 	unsigned long long v;
 
@@ -95,13 +95,13 @@ sds sdsfromlonglong(long long value) {
 	} while(v);
 	if (value < 0) { *p-- = '-'; }
 	p++;
-	return sdsnew(p, (size_t)(32 - (p - buf)));
+	return yaslnew(p, (size_t)(32 - (p - buf)));
 }
 
 
 /// Querying
 
-/* Compare two sds strings s1 and s2 with memcmp().
+/* Compare two yasl strings s1 and s2 with memcmp().
  *
  * Return value:
  *
@@ -112,12 +112,12 @@ sds sdsfromlonglong(long long value) {
  * If two strings share exactly the same prefix, but one of the two has
  * additional characters, the longer string is considered to be greater than
  * the smaller one. */
-int sdscmp(const sds s1, const sds s2) {
+int yaslcmp(const yastr s1, const yastr s2) {
 	size_t l1, l2, minlen;
 	int cmp;
 
-	l1 = sdslen(s1);
-	l2 = sdslen(s2);
+	l1 = yasllen(s1);
+	l2 = yasllen(s2);
 	minlen = (l1 < l2) ? l1 : l2;
 	cmp = memcmp(s1, s2, minlen);
 	if (cmp == 0) { return (int)(l1 - l2); }
@@ -127,32 +127,32 @@ int sdscmp(const sds s1, const sds s2) {
 
 /// Modification
 
-/* Modify an sds string on-place to make it empty (zero length).
+/* Modify a yasl string in-place to make it empty (zero length).
  * However all the existing buffer is not discarded but set as free space
  * so that next append operations will not require allocations up to the
  * number of bytes previously available. */
-void sdsclear(sds s) {
-	struct sdshdr *sh = sdsheader(s);
+void yaslclear(yastr s) {
+	struct yastrhdr *sh = yaslheader(s);
 	sh->free += sh->len;
 	sh->len = 0;
 	sh->buf[0] = '\0';
 }
 
-/* Grow the sds to have the specified length. Bytes that were not part of
- * the original length of the sds will be set to zero.
+/* Grow the yasl string to have the specified length. Bytes that were not part
+ * of the original length of the yasl string will be set to zero.
  *
  * if the specified length is smaller than the current length, no operation
  * is performed. */
-sds sdsgrowzero(sds s, size_t len) {
-	struct sdshdr *sh = sdsheader(s);
+yastr yaslgrowzero(yastr s, size_t len) {
+	struct yastrhdr *sh = yaslheader(s);
 	size_t totlen, curlen = sh->len;
 
 	if (len <= curlen) { return s; }
-	s = sdsMakeRoomFor(s, len - curlen);
+	s = yaslMakeRoomFor(s, len - curlen);
 	if (s == NULL) { return NULL; }
 
 	/* Make sure added region doesn't contain garbage */
-	sh = sdsheader(s);
+	sh = yaslheader(s);
 	memset(s + curlen, 0, (len - curlen + 1)); /* also set trailing \0 byte */
 	totlen = sh->len + sh->free;
 	sh->len = len;
@@ -160,16 +160,16 @@ sds sdsgrowzero(sds s, size_t len) {
 	return s;
 }
 
-/* Destructively modify the sds string 's' to hold the specified binary
+/* Destructively modify the yasl string 's' to hold the specified binary
  * safe string pointed by 't' of length 'len' bytes. */
-sds sdscpylen(sds s, const char *t, size_t len) {
-	struct sdshdr *sh = sdsheader(s);
+yastr yaslcpylen(yastr s, const char *t, size_t len) {
+	struct yastrhdr *sh = yaslheader(s);
 	size_t totlen = sh->free + sh->len;
 
 	if (totlen < len) {
-		s = sdsMakeRoomFor(s, len - sh->len);
+		s = yaslMakeRoomFor(s, len - sh->len);
 		if (s == NULL) { return NULL; }
-		sh = sdsheader(s);
+		sh = yaslheader(s);
 		totlen = sh->free + sh->len;
 	}
 	memcpy(s, t, len);
@@ -179,31 +179,31 @@ sds sdscpylen(sds s, const char *t, size_t len) {
 	return s;
 }
 
-/* Like sdscpylen() but 't' must be a null-termined string so that the length
+/* Like yaslcpylen() but 't' must be a null-termined string so that the length
  * of the string is obtained with strlen(). */
-sds sdscpy(sds s, const char *t) {
-	return sdscpylen(s, t, strlen(t));
+yastr yaslcpy(yastr s, const char *t) {
+	return yaslcpylen(s, t, strlen(t));
 }
 
 /* Join an array of C strings using the specified separator (also a C string).
- * Returns the result as an sds string. */
-sds sdsjoin(char **argv, int argc, char *sep, size_t seplen) {
-	sds join = sdsempty();
+ * Returns the result as a yasl string. */
+yastr yasljoin(char **argv, int argc, char *sep, size_t seplen) {
+	yastr join = yaslempty();
 
 	for (int j = 0; j < argc; j++) {
-		join = sdscat(join, argv[j]);
-		if (j != argc - 1) { join = sdscatlen(join, sep, seplen); }
+		join = yaslcat(join, argv[j]);
+		if (j != argc - 1) { join = yaslcatlen(join, sep, seplen); }
 	}
 	return join;
 }
 
-/* Like sdsjoin, but joins an array of SDS strings. */
-sds sdsjoinsds(sds *argv, int argc, const char *sep, size_t seplen) {
-	sds join = sdsempty();
+/* Like yasljoin, but joins an array of yasl strings. */
+yastr yasljoinyasl(yastr *argv, int argc, const char *sep, size_t seplen) {
+	yastr join = yaslempty();
 
 	for (int j = 0; j < argc; j++) {
-		join = sdscatsds(join, argv[j]);
-		if (j != argc - 1) { join = sdscatlen(join, sep, seplen); }
+		join = yaslcatyasl(join, argv[j]);
+		if (j != argc - 1) { join = yaslcatlen(join, sep, seplen); }
 	}
 	return join;
 }
@@ -212,13 +212,13 @@ sds sdsjoinsds(sds *argv, int argc, const char *sep, size_t seplen) {
  * characters specified in the 'from' string to the corresponding character
  * in the 'to' array.
  *
- * For instance: sdsmapchars(mystring, "ho", "01", 2)
+ * For instance: yaslmapchars(mystring, "ho", "01", 2)
  * will have the effect of turning the string "hello" into "0ell1".
  *
- * The function returns the sds string pointer, that is always the same
+ * The function returns the yasl string pointer, that is always the same
  * as the input pointer since no resize is needed. */
-sds sdsmapchars(sds s, const char *from, const char *to, size_t setlen) {
-	for (size_t j = 0; j < sdslen(s); j++) {
+yastr yaslmapchars(yastr s, const char *from, const char *to, size_t setlen) {
+	for (size_t j = 0; j < yasllen(s); j++) {
 		for (size_t i = 0; i < setlen; i++) {
 			if (s[j] == from[i]) {
 				s[j] = to[i];
@@ -242,12 +242,12 @@ sds sdsmapchars(sds s, const char *from, const char *to, size_t setlen) {
  *
  * Example:
  *
- * s = sdsauto("Hello World");
- * sdsrange(s, 1, -1); => "ello World"
+ * s = yaslauto("Hello World");
+ * yaslrange(s, 1, -1); => "ello World"
  */
-void sdsrange(sds s, ptrdiff_t start, ptrdiff_t end) {
-	struct sdshdr *sh = sdsheader(s);
-	size_t newlen, len = sdslen(s);
+void yaslrange(yastr s, ptrdiff_t start, ptrdiff_t end) {
+	struct yastrhdr *sh = yaslheader(s);
+	size_t newlen, len = yasllen(s);
 
 	if (len == 0) { return; }
 	if (start < 0) {
@@ -275,16 +275,16 @@ void sdsrange(sds s, ptrdiff_t start, ptrdiff_t end) {
 	sh->len = newlen;
 }
 
-/* Apply tolower() to every character of the sds string 's'. */
-void sdstolower(sds s) {
-	for (size_t j = 0; j < sdslen(s); j++) {
+/* Apply tolower() to every character of the yasl string 's'. */
+void yasltolower(yastr s) {
+	for (size_t j = 0; j < yasllen(s); j++) {
 		s[j] = (char)tolower(s[j]);
 	}
 }
 
-/* Apply toupper() to every character of the sds string 's'. */
-void sdstoupper(sds s) {
-	for (size_t j = 0; j < sdslen(s); j++) {
+/* Apply toupper() to every character of the yasl string 's'. */
+void yasltoupper(yastr s) {
+	for (size_t j = 0; j < yasllen(s); j++) {
 		s[j] = (char)toupper(s[j]);
 	}
 }
@@ -292,24 +292,24 @@ void sdstoupper(sds s) {
 /* Remove the part of the string from left and from right composed just of
  * contiguous characters found in 'cset', that is a null terminted C string.
  *
- * After the call, the modified sds string is no longer valid and all the
+ * After the call, the modified yasl string is no longer valid and all the
  * references must be substituted with the new pointer returned by the call.
  *
  * Example:
  *
- * s = sdsauto("AA...AA.a.aa.aHelloWorld     :::");
- * s = sdstrim(s, "A. :");
+ * s = yaslauto("AA...AA.a.aa.aHelloWorld     :::");
+ * s = yasltrim(s, "A. :");
  * printf("%s\n", s);
  *
  * Output will be just "Hello World".
  */
-void sdstrim(sds s, const char *cset) {
-	struct sdshdr *sh = sdsheader(s);
+void yasltrim(yastr s, const char *cset) {
+	struct yastrhdr *sh = yaslheader(s);
 	char *start, *end, *sp, *ep;
 	size_t len;
 
 	sp = start = s;
-	ep = end = s + sdslen(s) - 1;
+	ep = end = s + yasllen(s) - 1;
 	while(sp <= end && strchr(cset, *sp)) { sp++; }
 	while(ep > start && strchr(cset, *ep)) { ep--; }
 	len = (size_t)((sp > ep) ? 0 : ((ep - sp) + 1));
@@ -319,22 +319,22 @@ void sdstrim(sds s, const char *cset) {
 	sh->len = len;
 }
 
-/* Set the sds string length to the length as obtained with strlen(), so
+/* Set the yasl string length to the length as obtained with strlen(), so
  * considering as content only up to the first null term character.
  *
- * This function is useful when the sds string is hacked manually in some
+ * This function is useful when the yasl string is hacked manually in some
  * way, like in the following example:
  *
- * s = sdsauto("foobar");
+ * s = yaslauto("foobar");
  * s[2] = '\0';
- * sdsupdatelen(s);
- * printf("%d\n", sdslen(s));
+ * yaslupdatelen(s);
+ * printf("%d\n", yasllen(s));
  *
- * The output will be "2", but if we comment out the call to sdsupdatelen()
+ * The output will be "2", but if we comment out the call to yaslupdatelen()
  * the output will be "6" as the string was modified but the logical length
  * remains 6 bytes. */
-void sdsupdatelen(sds s) {
-	struct sdshdr *sh = sdsheader(s);
+void yaslupdatelen(yastr s) {
+	struct yastrhdr *sh = yaslheader(s);
 	size_t reallen = strlen(s);
 	sh->free += (sh->len - reallen);
 	sh->len = reallen;
@@ -346,20 +346,20 @@ void sdsupdatelen(sds s) {
  * foo bar "newline are supported\n" and "\xff\x00otherstuff"
  *
  * The number of arguments is stored into *argc, and an array
- * of sds is returned.
+ * of yasl strings is returned.
  *
- * The caller should free the resulting array of sds strings with
- * sdsfreesplitres().
+ * The caller should free the resulting array of yasl strings with
+ * yaslfreesplitres().
  *
- * Note that sdscatrepr() is able to convert back a string into
- * a quoted string in the same format sdssplitargs() is able to parse.
+ * Note that yaslcatrepr() is able to convert back a string into
+ * a quoted string in the same format yaslsplitargs() is able to parse.
  *
  * The function returns the allocated tokens on success, even when the
  * input string is empty, or NULL if the input contains unbalanced
  * quotes or closed quotes followed by non space characters
  * as in: "foo"bar or "foo'
  */
-sds *sdssplitargs(const char *line, int *argc) {
+yastr *yaslsplitargs(const char *line, int *argc) {
 	const char *p = line;
 	char *current = NULL;
 	char **vector = NULL;
@@ -374,7 +374,7 @@ sds *sdssplitargs(const char *line, int *argc) {
 			int insq=0; /* set to 1 if we are in 'single quotes' */
 			int done=0;
 
-			if (current == NULL) { current = sdsempty(); }
+			if (current == NULL) { current = yaslempty(); }
 			while(!done) {
 				if (inq) {
 					if (*p == '\\' && *(p + 1) == 'x' &&
@@ -385,7 +385,7 @@ sds *sdssplitargs(const char *line, int *argc) {
 
 						byte = (unsigned char)((hex_digit_to_int(*(p + 2)) * 16) +
 						                        hex_digit_to_int(*(p + 3)));
-						current = sdscatlen(current, (char*)&byte, 1);
+						current = yaslcatlen(current, (char*)&byte, 1);
 						p += 3;
 					} else if (*p == '\\' && *(p + 1)) {
 						char c;
@@ -399,7 +399,7 @@ sds *sdssplitargs(const char *line, int *argc) {
 						case 'a': c = '\a'; break;
 						default: c = *p; break;
 						}
-						current = sdscatlen(current, &c, 1);
+						current = yaslcatlen(current, &c, 1);
 					} else if (*p == '"') {
 						/* closing quote must be followed by a space or
 						 * nothing at all. */
@@ -409,12 +409,12 @@ sds *sdssplitargs(const char *line, int *argc) {
 						/* unterminated quotes */
 						goto err;
 					} else {
-						current = sdscatlen(current, p, 1);
+						current = yaslcatlen(current, p, 1);
 					}
 				} else if (insq) {
 					if (*p == '\\' && *(p + 1) == '\'') {
 						p++;
-						current = sdscatlen(current, "'", 1);
+						current = yaslcatlen(current, "'", 1);
 					} else if (*p == '\'') {
 						/* closing quote must be followed by a space or
 						 * nothing at all. */
@@ -424,7 +424,7 @@ sds *sdssplitargs(const char *line, int *argc) {
 						/* unterminated quotes */
 						goto err;
 					} else {
-						current = sdscatlen(current, p, 1);
+						current = yaslcatlen(current, p, 1);
 					}
 				} else {
 					switch(*p) {
@@ -442,7 +442,7 @@ sds *sdssplitargs(const char *line, int *argc) {
 						insq=1;
 						break;
 					default:
-						current = sdscatlen(current, p, 1);
+						current = yaslcatlen(current, p, 1);
 						break;
 					}
 				}
@@ -462,16 +462,16 @@ sds *sdssplitargs(const char *line, int *argc) {
 
 err:
 	while((*argc)--) {
-		sdsfree(vector[*argc]);
+		yaslfree(vector[*argc]);
 	}
 	free(vector);
-	if (current) { sdsfree(current); }
+	if (current) { yaslfree(current); }
 	*argc = 0;
 	return NULL;
 }
 
 /* Split 's' with separator in 'sep'. An array
- * of sds strings is returned. *count will be set
+ * of yasl strings is returned. *count will be set
  * by reference to the number of tokens returned.
  *
  * On out of memory, zero length string, zero length
@@ -479,20 +479,20 @@ err:
  *
  * Note that 'sep' is able to split a string using
  * a multi-character separator. For example
- * sdssplit("foo_-_bar", "_-_"); will return two
+ * yaslsplit("foo_-_bar", "_-_"); will return two
  * elements "foo" and "bar".
  *
  * This version of the function is binary-safe but
- * requires length arguments. sdssplit() is just the
+ * requires length arguments. yaslsplit() is just the
  * same function but for zero-terminated strings.
  */
-sds *sdssplitlen(const char *s, size_t len, const char *sep, size_t seplen, size_t *count) {
+yastr *yaslsplitlen(const char *s, size_t len, const char *sep, size_t seplen, size_t *count) {
 	size_t elements = 0, slots = 5, start = 0;
-	sds *tokens;
+	yastr *tokens;
 
 	if (seplen < 1) { return NULL; }
 
-	tokens = malloc(sizeof(sds)*slots);
+	tokens = malloc(sizeof(yastr)*slots);
 	if (tokens == NULL) { return NULL; }
 
 	if (len == 0) {
@@ -502,16 +502,16 @@ sds *sdssplitlen(const char *s, size_t len, const char *sep, size_t seplen, size
 	for (size_t j = 0; j < (len - (seplen - 1)); j++) {
 		/* make sure there is room for the next element and the final one */
 		if (slots < elements + 2) {
-			sds *newtokens;
+			yastr *newtokens;
 
 			slots *= 2;
-			newtokens = realloc(tokens, sizeof(sds) * slots);
+			newtokens = realloc(tokens, sizeof(yastr) * slots);
 			if (newtokens == NULL) { goto cleanup; }
 			tokens = newtokens;
 		}
 		/* search the separator */
 		if ((seplen == 1 && *(s + j) == sep[0]) || (memcmp(s + j, sep, seplen) == 0)) {
-			tokens[elements] = sdsnew(s + start, (size_t)(j - start));
+			tokens[elements] = yaslnew(s + start, (size_t)(j - start));
 			if (tokens[elements] == NULL) { goto cleanup; }
 			elements++;
 			start = j + seplen;
@@ -519,7 +519,7 @@ sds *sdssplitlen(const char *s, size_t len, const char *sep, size_t seplen, size
 		}
 	}
 	/* Add the final element. We are sure there is room in the tokens array. */
-	tokens[elements] = sdsnew(s + start, (size_t)(len - start));
+	tokens[elements] = yaslnew(s + start, (size_t)(len - start));
 	if (tokens[elements] == NULL) { goto cleanup; }
 	elements++;
 	*count = elements;
@@ -528,7 +528,7 @@ sds *sdssplitlen(const char *s, size_t len, const char *sep, size_t seplen, size
 cleanup:
 	{
 		for (size_t i = 0; i < elements; i++) {
-			sdsfree(tokens[i]);
+			yaslfree(tokens[i]);
 		}
 		free(tokens);
 		*count = 0;
@@ -538,34 +538,34 @@ cleanup:
 
 // Concatenation
 
-/* Append the specified null termianted C string to the sds string 's'.
+/* Append the specified null termianted C string to the yasl string 's'.
  *
- * After the call, the passed sds string is no longer valid and all the
+ * After the call, the passed yasl string is no longer valid and all the
  * references must be substituted with the new pointer returned by the call. */
-sds sdscat(sds s, const char *t) {
-	return sdscatlen(s, t, strlen(t));
+yastr yaslcat(yastr s, const char *t) {
+	return yaslcatlen(s, t, strlen(t));
 }
 
-/* Append the specified sds 't' to the existing sds 's'.
+/* Append the specified yasl string 't' to the existing yasl string 's'.
  *
- * After the call, the modified sds string is no longer valid and all the
+ * After the call, the modified yasl string is no longer valid and all the
  * references must be substituted with the new pointer returned by the call. */
-sds sdscatsds(sds s, const sds t) {
-	return sdscatlen(s, t, sdslen(t));
+yastr yaslcatyasl(yastr s, const yastr t) {
+	return yaslcatlen(s, t, yasllen(t));
 }
 
 /* Append the specified binary-safe string pointed by 't' of 'len' bytes to the
- * end of the specified sds string 's'.
+ * end of the specified yasl string 's'.
  *
- * After the call, the passed sds string is no longer valid and all the
+ * After the call, the passed yasl string is no longer valid and all the
  * references must be substituted with the new pointer returned by the call. */
-sds sdscatlen(sds s, const void *t, size_t len) {
-	struct sdshdr *sh;
-	size_t curlen = sdslen(s);
+yastr yaslcatlen(yastr s, const void *t, size_t len) {
+	struct yastrhdr *sh;
+	size_t curlen = yasllen(s);
 
-	s = sdsMakeRoomFor(s, len);
+	s = yaslMakeRoomFor(s, len);
 	if (s == NULL) { return NULL; }
-	sh = sdsheader(s);
+	sh = yaslheader(s);
 	memcpy(s + curlen, t, len);
 	sh->len = curlen + len;
 	sh->free = sh->free - len;
@@ -573,41 +573,41 @@ sds sdscatlen(sds s, const void *t, size_t len) {
 	return s;
 }
 
-/* Append to the sds string "s" an escaped string representation where
+/* Append to the yasl string "s" an escaped string representation where
  * all the non-printable characters (tested with isprint()) are turned into
  * escapes in the form "\n\r\a...." or "\x<hex-number>".
  *
- * After the call, the modified sds string is no longer valid and all the
+ * After the call, the modified yasl string is no longer valid and all the
  * references must be substituted with the new pointer returned by the call. */
-sds sdscatrepr(sds s, const char *p, size_t len) {
-	s = sdscatlen(s, "\"", 1);
+yastr yaslcatrepr(yastr s, const char *p, size_t len) {
+	s = yaslcatlen(s, "\"", 1);
 	while(len--) {
 		switch(*p) {
 		case '\\':
 		case '"':
-			s = sdscatprintf(s, "\\%c", *p);
+			s = yaslcatprintf(s, "\\%c", *p);
 			break;
-		case '\n': s = sdscatlen(s, "\\n", 2); break;
-		case '\r': s = sdscatlen(s, "\\r", 2); break;
-		case '\t': s = sdscatlen(s, "\\t", 2); break;
-		case '\a': s = sdscatlen(s, "\\a", 2); break;
-		case '\b': s = sdscatlen(s, "\\b", 2); break;
+		case '\n': s = yaslcatlen(s, "\\n", 2); break;
+		case '\r': s = yaslcatlen(s, "\\r", 2); break;
+		case '\t': s = yaslcatlen(s, "\\t", 2); break;
+		case '\a': s = yaslcatlen(s, "\\a", 2); break;
+		case '\b': s = yaslcatlen(s, "\\b", 2); break;
 		default:
 			if (isprint(*p)) {
-				s = sdscatprintf(s, "%c", *p);
+				s = yaslcatprintf(s, "%c", *p);
 			} else {
-				s = sdscatprintf(s, "\\x%02x", (unsigned char)*p);
+				s = yaslcatprintf(s, "\\x%02x", (unsigned char)*p);
 				break;
 			}
 		}
 		p++;
 	}
-	return sdscatlen(s, "\"", 1);
+	return yaslcatlen(s, "\"", 1);
 }
 
-/* Like sdscatpritf() but gets va_list instead of being variadic. */
+/* Like yaslcatpritf() but gets va_list instead of being variadic. */
 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
-sds sdscatvprintf(sds s, const char *fmt, va_list ap) {
+yastr yaslcatvprintf(yastr s, const char *fmt, va_list ap) {
 	va_list cpy;
 	char *buf, *t;
 	size_t buflen = 16;
@@ -625,33 +625,33 @@ sds sdscatvprintf(sds s, const char *fmt, va_list ap) {
 		}
 		break;
 	}
-	t = sdscat(s, buf);
+	t = yaslcat(s, buf);
 	free(buf);
 	return t;
 }
 #pragma GCC diagnostic warning "-Wformat-nonliteral"
 
-/* Append to the sds string 's' a string obtained using printf-alike format
+/* Append to the yasl string 's' a string obtained using printf-alike format
  * specifier.
  *
- * After the call, the modified sds string is no longer valid and all the
+ * After the call, the modified yasl string is no longer valid and all the
  * references must be substituted with the new pointer returned by the call.
  *
  * Example:
  *
- * s = sdsempty("Sum is: ");
- * s = sdscatprintf(s, "%d + %d = %d", a, b, a + b).
+ * s = yaslempty("Sum is: ");
+ * s = yaslcatprintf(s, "%d + %d = %d", a, b, a + b).
  *
  * Often you need to create a string from scratch with the printf-alike
- * format. When this is the need, just use sdsempty() as the target string:
+ * format. When this is the need, just use yaslempty() as the target string:
  *
- * s = sdscatprintf(sdsempty(), "... your format ...", args);
+ * s = yaslcatprintf(yaslempty(), "... your format ...", args);
  */
-sds sdscatprintf(sds s, const char *fmt, ...) {
+yastr yaslcatprintf(yastr s, const char *fmt, ...) {
 	va_list ap;
 	char *t;
 	va_start(ap, fmt);
-	t = sdscatvprintf(s, fmt, ap);
+	t = yaslcatvprintf(s, fmt, ap);
 	va_end(ap);
 	return t;
 }
@@ -659,17 +659,17 @@ sds sdscatprintf(sds s, const char *fmt, ...) {
 
 /// Freeing
 
-/* Free an sds string. No operation is performed if 's' is NULL. */
-void sdsfree(sds s) {
+/* Free a yasl string. No operation is performed if 's' is NULL. */
+void yaslfree(yastr s) {
 	if (s == NULL) { return; }
-	free(sdsheader(s));
+	free(yaslheader(s));
 }
 
-/* Free the result returned by sdssplitlen(), or do nothing if 'tokens' is NULL. */
-void sdsfreesplitres(sds *tokens, size_t count) {
+/* Free the result returned by yaslsplitlen(), or do nothing if 'tokens' is NULL. */
+void yaslfreesplitres(yastr *tokens, size_t count) {
 	if (!tokens) { return; }
 	while(count--) {
-		sdsfree(tokens[count]);
+		yaslfree(tokens[count]);
 	}
 	free(tokens);
 }
@@ -677,41 +677,41 @@ void sdsfreesplitres(sds *tokens, size_t count) {
 
 // Low-level functions
 
-/* Return the total size of the allocation of the specifed sds string,
+/* Return the total size of the allocation of the specifed yasl string,
  * including:
- * 1) The sds header before the pointer.
+ * 1) The yasl header before the pointer.
  * 2) The string.
  * 3) The free buffer at the end if any.
  * 4) The implicit null term.
  */
-size_t sdsAllocSize(sds s) {
-	struct sdshdr *sh = sdsheader(s);
+size_t yaslAllocSize(yastr s) {
+	struct yastrhdr *sh = yaslheader(s);
 
 	return sizeof(*sh) + sh->len + sh->free + 1;
 }
 
-/* Increment the sds length and decrements the left free space at the
- * end of the string according to 'incr'. Also set the null term
- * in the new end of the string.
+/* Increment the yasl string length and decrements the left free space at the
+ * end of the string according to 'incr'. Also set the null term in the new end
+ * of the string.
  *
  * This function is used in order to fix the string length after the
- * user calls sdsMakeRoomFor(), writes something after the end of
+ * user calls yaslMakeRoomFor(), writes something after the end of
  * the current string, and finally needs to set the new length.
  *
  * Usage example:
  *
- * Using sdsIncrLen() and sdsMakeRoomFor() it is possible to mount the
- * following schema, to cat bytes coming from the kernel to the end of an
- * sds string without copying into an intermediate buffer:
+ * Using yaslIncrLen() and yaslMakeRoomFor() it is possible to mount the
+ * following schema, to cat bytes coming from the kernel to the end of a
+ * yasl string without copying into an intermediate buffer:
  *
- * oldlen = sdslen(s);
- * s = sdsMakeRoomFor(s, BUFFER_SIZE);
+ * oldlen = yasllen(s);
+ * s = yaslMakeRoomFor(s, BUFFER_SIZE);
  * nread = read(fd, s + oldlen, BUFFER_SIZE);
  * ... check for nread <= 0 and handle it ...
- * sdsIncrLen(s, nread);
+ * yaslIncrLen(s, nread);
  */
-void sdsIncrLen(sds s, size_t incr) {
-	struct sdshdr *sh = sdsheader(s);
+void yaslIncrLen(yastr s, size_t incr) {
+	struct yastrhdr *sh = yaslheader(s);
 
 	assert(sh->free >= incr);
 	sh->len += incr;
@@ -719,44 +719,44 @@ void sdsIncrLen(sds s, size_t incr) {
 	s[sh->len] = '\0';
 }
 
-/* Enlarge the free space at the end of the sds string so that the caller
+/* Enlarge the free space at the end of the yasl string so that the caller
  * is sure that after calling this function can overwrite up to addlen
  * bytes after the end of the string, plus one more byte for nul term.
  *
- * Note: this does not change the *length* of the sds string as returned
- * by sdslen(), but only the free buffer space we have. */
-sds sdsMakeRoomFor(sds s, size_t addlen) {
-	struct sdshdr *sh, *newsh;
-	size_t free = sdsavail(s);
+ * Note: this does not change the *length* of the yasl string as returned
+ * by yasllen(), but only the free buffer space we have. */
+yastr yaslMakeRoomFor(yastr s, size_t addlen) {
+	struct yastrhdr *sh, *newsh;
+	size_t free = yaslavail(s);
 	size_t len, newlen;
 
 	if (free >= addlen) { return s; }
-	len = sdslen(s);
-	sh = sdsheader(s);
+	len = yasllen(s);
+	sh = yaslheader(s);
 	newlen = (len + addlen);
-	if (newlen < SDS_MAX_PREALLOC) {
+	if (newlen < YASL_MAX_PREALLOC) {
 		newlen *= 2;
 	} else {
-		newlen += SDS_MAX_PREALLOC;
+		newlen += YASL_MAX_PREALLOC;
 	}
-	newsh = realloc(sh, sizeof(struct sdshdr) + newlen + 1);
+	newsh = realloc(sh, sizeof(struct yastrhdr) + newlen + 1);
 	if (newsh == NULL) { return NULL; }
 
 	newsh->free = newlen - len;
 	return newsh->buf;
 }
 
-/* Reallocate the sds string so that it has no free space at the end. The
+/* Reallocate the yasl string so that it has no free space at the end. The
  * contained string remains not altered, but next concatenation operations
  * will require a reallocation.
  *
- * After the call, the passed sds string is no longer valid and all the
+ * After the call, the passed yasl string is no longer valid and all the
  * references must be substituted with the new pointer returned by the call. */
-sds sdsRemoveFreeSpace(sds s) {
-	struct sdshdr *sh;
+yastr yaslRemoveFreeSpace(yastr s) {
+	struct yastrhdr *sh;
 
-	sh = sdsheader(s);
-	sh = realloc(sh, sizeof(struct sdshdr) + sh->len + 1);
+	sh = yaslheader(s);
+	sh = realloc(sh, sizeof(struct yastrhdr) + sh->len + 1);
 	sh->free = 0;
 	return sh->buf;
 }
@@ -764,14 +764,14 @@ sds sdsRemoveFreeSpace(sds s) {
 
 /// Low-level helper functions
 
-/* Helper function for sdssplitargs() that returns non zero if 'c'
+/* Helper function for yaslsplitargs() that returns non zero if 'c'
  * is a valid hex digit. */
 int is_hex_digit(char c) {
 	return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') ||
 	       (c >= 'A' && c <= 'F');
 }
 
-/* Helper function for sdssplitargs() that converts a hex digit into an
+/* Helper function for yaslsplitargs() that converts a hex digit into an
  * integer from 0 to 15 */
 int hex_digit_to_int(char c) {
 	switch(c) {
diff --git a/src/yasl.h b/src/yasl.h
new file mode 100644
index 0000000..90860bc
--- /dev/null
+++ b/src/yasl.h
@@ -0,0 +1,131 @@
+/* yasl, Yet Another String Library for C
+ *
+ * Copyright (c) 2006-2014, Salvatore Sanfilippo <antirez at gmail dot com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef YASL_H
+#define YASL_H
+
+#define YASL_MAX_PREALLOC (1024*1024)
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <sys/types.h>
+
+typedef char *yastr;
+
+struct yastrhdr {
+	size_t len;
+	size_t free;
+	char buf[];
+};
+
+
+/**
+ * User API function prototypes
+ */
+
+/// Initialization
+yastr  yaslnew(const void *init, size_t initlen);
+yastr  yasldup(const yastr s);
+yastr  yaslempty(void);
+yastr  yaslfromlonglong(long long value);
+
+
+/// Querying
+int    yaslcmp(const yastr s1, const yastr s2);
+
+
+/// Modification
+void   yaslclear(yastr s);
+yastr  yaslgrowzero(yastr s, size_t len);
+yastr  yaslcpylen(yastr s, const char *t, size_t len);
+yastr  yaslcpy(yastr s, const char *t);
+yastr  yasljoin(char **argv, int argc, char *sep, size_t seplen);
+yastr  yasljoinyasl(yastr *argv, int argc, const char *sep, size_t seplen);
+yastr  yaslmapchars(yastr s, const char *from, const char *to, size_t setlen);
+void   yaslrange(yastr s, ptrdiff_t start, ptrdiff_t end);
+void   yasltolower(yastr s);
+void   yasltoupper(yastr s);
+void   yasltrim(yastr s, const char *cset);
+void   yaslupdatelen(yastr s);
+yastr *yaslsplitargs(const char *line, int *argc);
+yastr *yaslsplitlen(const char *s, size_t len, const char *sep, size_t seplen, size_t *count);
+
+// Concatenation
+yastr  yaslcat(yastr s, const char *t);
+yastr  yaslcatyasl(yastr s, const yastr t);
+yastr  yaslcatlen(yastr s, const void *t, size_t len);
+yastr  yaslcatrepr(yastr s, const char *p, size_t len);
+yastr  yaslcatvprintf(yastr s, const char *fmt, va_list ap);
+#ifdef __GNUC__
+yastr  yaslcatprintf(yastr s, const char *fmt, ...)
+            __attribute__((format(printf, 2, 3)));
+#else
+yastr  yaslcatprintf(yastr s, const char *fmt, ...);
+#endif
+
+
+/// Freeing
+void   yaslfree(yastr s);
+void   yaslfreesplitres(yastr *tokens, size_t count);
+
+
+/// Low-level API function prototypes
+size_t yaslAllocSize(yastr s);
+void   yaslIncrLen(yastr s, size_t incr);
+yastr  yaslMakeRoomFor(yastr s, size_t addlen);
+yastr  yaslRemoveFreeSpace(yastr s);
+
+
+/// Low-level helper functions
+int    is_hex_digit(char c);
+int    hex_digit_to_int(char c);
+
+
+/**
+ * Inline functions
+ */
+
+static inline struct yastrhdr *yaslheader(const yastr s) {
+	/* The yastrhdr pointer has a different alignment than the original char
+	 * pointer, so cast it through a void pointer to silence the warning. */
+	return (void *)(s - (sizeof (struct yastrhdr)));
+}
+
+static inline yastr yaslauto(const char *s) {
+	return yaslnew(s, s ? strlen(s) : 0);
+}
+
+static inline size_t yaslavail(const yastr s) {
+	return yaslheader(s)->free;
+}
+
+static inline size_t yasllen(const yastr s) {
+	return yaslheader(s)->len;
+}
+
+
+#endif