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-rw-r--r--src/sds.c808
-rw-r--r--src/sds.h16
2 files changed, 411 insertions, 413 deletions
diff --git a/src/sds.c b/src/sds.c
index d844b59..aa326a2 100644
--- a/src/sds.c
+++ b/src/sds.c
@@ -46,43 +46,43 @@
* 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 sdsnewlen(const void *init, size_t initlen) {
- struct sdshdr *sh;
-
- if (init) {
- sh = malloc(sizeof(struct sdshdr)+initlen+1);
- } else {
- sh = calloc(sizeof(struct sdshdr)+initlen+1,1);
- }
- if (sh == NULL) return NULL;
- sh->len = initlen;
- sh->free = 0;
- if (initlen && init)
- memcpy(sh->buf, init, initlen);
- sh->buf[initlen] = '\0';
- return (char*)sh->buf;
+ struct sdshdr *sh;
+
+ if (init) {
+ sh = malloc(sizeof(struct sdshdr)+initlen+1);
+ } else {
+ sh = calloc(sizeof(struct sdshdr)+initlen+1,1);
+ }
+ if (sh == NULL) return NULL;
+ sh->len = initlen;
+ sh->free = 0;
+ if (initlen && init)
+ memcpy(sh->buf, init, initlen);
+ sh->buf[initlen] = '\0';
+ return (char*)sh->buf;
}
/* Create an empty (zero length) sds string. Even in this case the string
* always has an implicit null term. */
sds sdsempty(void) {
- return sdsnewlen("",0);
+ return sdsnewlen("",0);
}
/* Create a new sds string starting from a null termined C string. */
sds sdsnew(const char *init) {
- size_t initlen = (init == NULL) ? 0 : strlen(init);
- return sdsnewlen(init, initlen);
+ size_t initlen = (init == NULL) ? 0 : strlen(init);
+ return sdsnewlen(init, initlen);
}
/* Duplicate an sds string. */
sds sdsdup(const sds s) {
- return sdsnewlen(s, sdslen(s));
+ return sdsnewlen(s, sdslen(s));
}
/* Free an sds string. No operation is performed if 's' is NULL. */
void sdsfree(sds s) {
- if (s == NULL) return;
- free(sdsheader(s));
+ if (s == NULL) return;
+ free(sdsheader(s));
}
/* Set the sds string length to the length as obtained with strlen(), so
@@ -100,10 +100,10 @@ void sdsfree(sds s) {
* 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);
- int reallen = strlen(s);
- sh->free += (sh->len-reallen);
- sh->len = reallen;
+ struct sdshdr *sh = sdsheader(s);
+ int reallen = strlen(s);
+ sh->free += (sh->len-reallen);
+ sh->len = reallen;
}
/* Modify an sds string on-place to make it empty (zero length).
@@ -111,10 +111,10 @@ void sdsupdatelen(sds s) {
* 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);
- sh->free += sh->len;
- sh->len = 0;
- sh->buf[0] = '\0';
+ struct sdshdr *sh = sdsheader(s);
+ sh->free += sh->len;
+ sh->len = 0;
+ sh->buf[0] = '\0';
}
/* Enlarge the free space at the end of the sds string so that the caller
@@ -124,23 +124,23 @@ void sdsclear(sds s) {
* 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);
- size_t len, newlen;
+ struct sdshdr *sh, *newsh;
+ size_t free = sdsavail(s);
+ size_t len, newlen;
- if (free >= addlen) return s;
- len = sdslen(s);
- sh = sdsheader(s);
- newlen = (len+addlen);
- if (newlen < SDS_MAX_PREALLOC)
- newlen *= 2;
- else
- newlen += SDS_MAX_PREALLOC;
- newsh = realloc(sh, sizeof(struct sdshdr)+newlen+1);
- if (newsh == NULL) return NULL;
+ if (free >= addlen) return s;
+ len = sdslen(s);
+ sh = sdsheader(s);
+ newlen = (len+addlen);
+ if (newlen < SDS_MAX_PREALLOC)
+ newlen *= 2;
+ else
+ newlen += SDS_MAX_PREALLOC;
+ newsh = realloc(sh, sizeof(struct sdshdr)+newlen+1);
+ if (newsh == NULL) return NULL;
- newsh->free = newlen - len;
- return newsh->buf;
+ newsh->free = newlen - len;
+ return newsh->buf;
}
/* Reallocate the sds string so that it has no free space at the end. The
@@ -150,12 +150,12 @@ sds sdsMakeRoomFor(sds s, size_t addlen) {
* After the call, the passed sds 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;
+ struct sdshdr *sh;
- sh = sdsheader(s);
- sh = realloc(sh, sizeof(struct sdshdr)+sh->len+1);
- sh->free = 0;
- return sh->buf;
+ sh = sdsheader(s);
+ sh = realloc(sh, sizeof(struct sdshdr)+sh->len+1);
+ sh->free = 0;
+ return sh->buf;
}
/* Return the total size of the allocation of the specifed sds string,
@@ -166,9 +166,9 @@ sds sdsRemoveFreeSpace(sds s) {
* 4) The implicit null term.
*/
size_t sdsAllocSize(sds s) {
- struct sdshdr *sh = sdsheader(s);
+ struct sdshdr *sh = sdsheader(s);
- return sizeof(*sh)+sh->len+sh->free+1;
+ return sizeof(*sh)+sh->len+sh->free+1;
}
/* Increment the sds length and decrements the left free space at the
@@ -195,13 +195,13 @@ size_t sdsAllocSize(sds s) {
* sdsIncrLen(s, nread);
*/
void sdsIncrLen(sds s, int incr) {
- struct sdshdr *sh = sdsheader(s);
+ struct sdshdr *sh = sdsheader(s);
- assert(sh->free >= incr);
- sh->len += incr;
- sh->free -= incr;
- assert(sh->free >= 0);
- s[sh->len] = '\0';
+ assert(sh->free >= incr);
+ sh->len += incr;
+ sh->free -= incr;
+ assert(sh->free >= 0);
+ s[sh->len] = '\0';
}
/* Grow the sds to have the specified length. Bytes that were not part of
@@ -210,20 +210,20 @@ void sdsIncrLen(sds s, int incr) {
* 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);
- size_t totlen, curlen = sh->len;
+ struct sdshdr *sh = sdsheader(s);
+ size_t totlen, curlen = sh->len;
- if (len <= curlen) return s;
- s = sdsMakeRoomFor(s,len-curlen);
- if (s == NULL) return NULL;
+ if (len <= curlen) return s;
+ s = sdsMakeRoomFor(s,len-curlen);
+ if (s == NULL) return NULL;
- /* Make sure added region doesn't contain garbage */
- sh = sdsheader(s);
- memset(s+curlen,0,(len-curlen+1)); /* also set trailing \0 byte */
- totlen = sh->len+sh->free;
- sh->len = len;
- sh->free = totlen-sh->len;
- return s;
+ /* Make sure added region doesn't contain garbage */
+ sh = sdsheader(s);
+ memset(s+curlen,0,(len-curlen+1)); /* also set trailing \0 byte */
+ totlen = sh->len+sh->free;
+ sh->len = len;
+ sh->free = totlen-sh->len;
+ return s;
}
/* Append the specified binary-safe string pointed by 't' of 'len' bytes to the
@@ -232,17 +232,17 @@ sds sdsgrowzero(sds s, size_t len) {
* After the call, the passed sds 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);
+ struct sdshdr *sh;
+ size_t curlen = sdslen(s);
- s = sdsMakeRoomFor(s,len);
- if (s == NULL) return NULL;
- sh = sdsheader(s);
- memcpy(s+curlen, t, len);
- sh->len = curlen+len;
- sh->free = sh->free-len;
- s[curlen+len] = '\0';
- return s;
+ s = sdsMakeRoomFor(s,len);
+ if (s == NULL) return NULL;
+ sh = sdsheader(s);
+ memcpy(s+curlen, t, len);
+ sh->len = curlen+len;
+ sh->free = sh->free-len;
+ s[curlen+len] = '\0';
+ return s;
}
/* Append the specified null termianted C string to the sds string 's'.
@@ -250,7 +250,7 @@ sds sdscatlen(sds s, const void *t, size_t len) {
* After the call, the passed sds 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));
+ return sdscatlen(s, t, strlen(t));
}
/* Append the specified sds 't' to the existing sds 's'.
@@ -258,56 +258,56 @@ sds sdscat(sds s, const char *t) {
* After the call, the modified sds 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));
+ return sdscatlen(s, t, sdslen(t));
}
/* Destructively modify the sds 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);
- size_t totlen = sh->free+sh->len;
-
- if (totlen < len) {
- s = sdsMakeRoomFor(s,len-sh->len);
- if (s == NULL) return NULL;
- sh = sdsheader(s);
- totlen = sh->free+sh->len;
- }
- memcpy(s, t, len);
- s[len] = '\0';
- sh->len = len;
- sh->free = totlen-len;
- return s;
+ struct sdshdr *sh = sdsheader(s);
+ size_t totlen = sh->free+sh->len;
+
+ if (totlen < len) {
+ s = sdsMakeRoomFor(s,len-sh->len);
+ if (s == NULL) return NULL;
+ sh = sdsheader(s);
+ totlen = sh->free+sh->len;
+ }
+ memcpy(s, t, len);
+ s[len] = '\0';
+ sh->len = len;
+ sh->free = totlen-len;
+ return s;
}
/* Like sdscpylen() 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));
+ return sdscpylen(s, t, strlen(t));
}
/* Like sdscatpritf() but gets va_list instead of being variadic. */
sds sdscatvprintf(sds s, const char *fmt, va_list ap) {
- va_list cpy;
- char *buf, *t;
- size_t buflen = 16;
-
- while(1) {
- buf = malloc(buflen);
- if (buf == NULL) return NULL;
- buf[buflen-2] = '\0';
- va_copy(cpy,ap);
- vsnprintf(buf, buflen, fmt, cpy);
- if (buf[buflen-2] != '\0') {
- free(buf);
- buflen *= 2;
- continue;
- }
- break;
- }
- t = sdscat(s, buf);
- free(buf);
- return t;
+ va_list cpy;
+ char *buf, *t;
+ size_t buflen = 16;
+
+ while(1) {
+ buf = malloc(buflen);
+ if (buf == NULL) return NULL;
+ buf[buflen-2] = '\0';
+ va_copy(cpy,ap);
+ vsnprintf(buf, buflen, fmt, cpy);
+ if (buf[buflen-2] != '\0') {
+ free(buf);
+ buflen *= 2;
+ continue;
+ }
+ break;
+ }
+ t = sdscat(s, buf);
+ free(buf);
+ return t;
}
/* Append to the sds string 's' a string obtained using printf-alike format
@@ -327,12 +327,12 @@ sds sdscatvprintf(sds s, const char *fmt, va_list ap) {
* s = sdscatprintf(sdsempty(), "... your format ...", args);
*/
sds sdscatprintf(sds s, const char *fmt, ...) {
- va_list ap;
- char *t;
- va_start(ap, fmt);
- t = sdscatvprintf(s,fmt,ap);
- va_end(ap);
- return t;
+ va_list ap;
+ char *t;
+ va_start(ap, fmt);
+ t = sdscatvprintf(s,fmt,ap);
+ va_end(ap);
+ return t;
}
/* Remove the part of the string from left and from right composed just of
@@ -350,19 +350,19 @@ sds sdscatprintf(sds s, const char *fmt, ...) {
* Output will be just "Hello World".
*/
void sdstrim(sds s, const char *cset) {
- struct sdshdr *sh = sdsheader(s);
- char *start, *end, *sp, *ep;
- size_t len;
+ struct sdshdr *sh = sdsheader(s);
+ char *start, *end, *sp, *ep;
+ size_t len;
- sp = start = s;
- ep = end = s+sdslen(s)-1;
- while(sp <= end && strchr(cset, *sp)) sp++;
- while(ep > start && strchr(cset, *ep)) ep--;
- len = (sp > ep) ? 0 : ((ep-sp)+1);
- if (sh->buf != sp) memmove(sh->buf, sp, len);
- sh->buf[len] = '\0';
- sh->free = sh->free+(sh->len-len);
- sh->len = len;
+ sp = start = s;
+ ep = end = s+sdslen(s)-1;
+ while(sp <= end && strchr(cset, *sp)) sp++;
+ while(ep > start && strchr(cset, *ep)) ep--;
+ len = (sp > ep) ? 0 : ((ep-sp)+1);
+ if (sh->buf != sp) memmove(sh->buf, sp, len);
+ sh->buf[len] = '\0';
+ sh->free = sh->free+(sh->len-len);
+ sh->len = len;
}
/* Turn the string into a smaller (or equal) string containing only the
@@ -382,47 +382,47 @@ void sdstrim(sds s, const char *cset) {
* sdsrange(s,1,-1); => "ello World"
*/
void sdsrange(sds s, int start, int end) {
- struct sdshdr *sh = sdsheader(s);
- size_t newlen, len = sdslen(s);
-
- if (len == 0) return;
- if (start < 0) {
- start = len+start;
- if (start < 0) start = 0;
- }
- if (end < 0) {
- end = len+end;
- if (end < 0) end = 0;
- }
- newlen = (start > end) ? 0 : (end-start)+1;
- if (newlen != 0) {
- if (start >= (signed)len) {
- newlen = 0;
- } else if (end >= (signed)len) {
- end = len-1;
- newlen = (start > end) ? 0 : (end-start)+1;
- }
- } else {
- start = 0;
- }
- if (start && newlen) memmove(sh->buf, sh->buf+start, newlen);
- sh->buf[newlen] = 0;
- sh->free = sh->free+(sh->len-newlen);
- sh->len = newlen;
+ struct sdshdr *sh = sdsheader(s);
+ size_t newlen, len = sdslen(s);
+
+ if (len == 0) return;
+ if (start < 0) {
+ start = len+start;
+ if (start < 0) start = 0;
+ }
+ if (end < 0) {
+ end = len+end;
+ if (end < 0) end = 0;
+ }
+ newlen = (start > end) ? 0 : (end-start)+1;
+ if (newlen != 0) {
+ if (start >= (signed)len) {
+ newlen = 0;
+ } else if (end >= (signed)len) {
+ end = len-1;
+ newlen = (start > end) ? 0 : (end-start)+1;
+ }
+ } else {
+ start = 0;
+ }
+ if (start && newlen) memmove(sh->buf, sh->buf+start, newlen);
+ sh->buf[newlen] = 0;
+ sh->free = sh->free+(sh->len-newlen);
+ sh->len = newlen;
}
/* Apply tolower() to every character of the sds string 's'. */
void sdstolower(sds s) {
- int len = sdslen(s), j;
+ int len = sdslen(s), j;
- for (j = 0; j < len; j++) s[j] = tolower(s[j]);
+ for (j = 0; j < len; j++) s[j] = tolower(s[j]);
}
/* Apply toupper() to every character of the sds string 's'. */
void sdstoupper(sds s) {
- int len = sdslen(s), j;
+ int len = sdslen(s), j;
- for (j = 0; j < len; j++) s[j] = toupper(s[j]);
+ for (j = 0; j < len; j++) s[j] = toupper(s[j]);
}
/* Compare two sds strings s1 and s2 with memcmp().
@@ -437,15 +437,15 @@ void sdstoupper(sds s) {
* additional characters, the longer string is considered to be greater than
* the smaller one. */
int sdscmp(const sds s1, const sds s2) {
- size_t l1, l2, minlen;
- int cmp;
+ size_t l1, l2, minlen;
+ int cmp;
- l1 = sdslen(s1);
- l2 = sdslen(s2);
- minlen = (l1 < l2) ? l1 : l2;
- cmp = memcmp(s1,s2,minlen);
- if (cmp == 0) return l1-l2;
- return cmp;
+ l1 = sdslen(s1);
+ l2 = sdslen(s2);
+ minlen = (l1 < l2) ? l1 : l2;
+ cmp = memcmp(s1,s2,minlen);
+ if (cmp == 0) return l1-l2;
+ return cmp;
}
/* Split 's' with separator in 'sep'. An array
@@ -465,60 +465,60 @@ int sdscmp(const sds s1, const sds s2) {
* same function but for zero-terminated strings.
*/
sds *sdssplitlen(const char *s, int len, const char *sep, int seplen, int *count) {
- int elements = 0, slots = 5, start = 0, j;
- sds *tokens;
-
- if (seplen < 1 || len < 0) return NULL;
-
- tokens = malloc(sizeof(sds)*slots);
- if (tokens == NULL) return NULL;
-
- if (len == 0) {
- *count = 0;
- return tokens;
- }
- for (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;
-
- slots *= 2;
- newtokens = realloc(tokens,sizeof(sds)*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] = sdsnewlen(s+start,j-start);
- if (tokens[elements] == NULL) goto cleanup;
- elements++;
- start = j+seplen;
- j = j+seplen-1; /* skip the separator */
- }
- }
- /* Add the final element. We are sure there is room in the tokens array. */
- tokens[elements] = sdsnewlen(s+start,len-start);
- if (tokens[elements] == NULL) goto cleanup;
- elements++;
- *count = elements;
- return tokens;
+ int elements = 0, slots = 5, start = 0, j;
+ sds *tokens;
+
+ if (seplen < 1 || len < 0) return NULL;
+
+ tokens = malloc(sizeof(sds)*slots);
+ if (tokens == NULL) return NULL;
+
+ if (len == 0) {
+ *count = 0;
+ return tokens;
+ }
+ for (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;
+
+ slots *= 2;
+ newtokens = realloc(tokens,sizeof(sds)*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] = sdsnewlen(s+start,j-start);
+ if (tokens[elements] == NULL) goto cleanup;
+ elements++;
+ start = j+seplen;
+ j = j+seplen-1; /* skip the separator */
+ }
+ }
+ /* Add the final element. We are sure there is room in the tokens array. */
+ tokens[elements] = sdsnewlen(s+start,len-start);
+ if (tokens[elements] == NULL) goto cleanup;
+ elements++;
+ *count = elements;
+ return tokens;
cleanup:
- {
- int i;
- for (i = 0; i < elements; i++) sdsfree(tokens[i]);
- free(tokens);
- *count = 0;
- return NULL;
- }
+ {
+ int i;
+ for (i = 0; i < elements; i++) sdsfree(tokens[i]);
+ free(tokens);
+ *count = 0;
+ return NULL;
+ }
}
/* Free the result returned by sdssplitlen(), or do nothing if 'tokens' is NULL. */
void sdsfreesplitres(sds *tokens, int count) {
- if (!tokens) return;
- while(count--)
- sdsfree(tokens[count]);
- free(tokens);
+ if (!tokens) return;
+ while(count--)
+ sdsfree(tokens[count]);
+ free(tokens);
}
/* Create an sds string from a long long value. It is much faster than:
@@ -526,18 +526,18 @@ void sdsfreesplitres(sds *tokens, int count) {
* sdscatprintf(sdsempty(),"%lld\n", value);
*/
sds sdsfromlonglong(long long value) {
- char buf[32], *p;
- unsigned long long v;
+ char buf[32], *p;
+ unsigned long long v;
- v = (value < 0) ? -value : value;
- p = buf+31; /* point to the last character */
- do {
- *p-- = '0'+(v%10);
- v /= 10;
- } while(v);
- if (value < 0) *p-- = '-';
- p++;
- return sdsnewlen(p,32-(p-buf));
+ v = (value < 0) ? -value : value;
+ p = buf+31; /* point to the last character */
+ do {
+ *p-- = '0'+(v%10);
+ v /= 10;
+ } while(v);
+ if (value < 0) *p-- = '-';
+ p++;
+ return sdsnewlen(p,32-(p-buf));
}
/* Append to the sds string "s" an escaped string representation where
@@ -547,59 +547,59 @@ sds sdsfromlonglong(long long value) {
* After the call, the modified sds 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);
- while(len--) {
- switch(*p) {
- case '\\':
- case '"':
- s = sdscatprintf(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;
- default:
- if (isprint(*p))
- s = sdscatprintf(s,"%c",*p);
- else
- s = sdscatprintf(s,"\\x%02x",(unsigned char)*p);
- break;
- }
- p++;
- }
- return sdscatlen(s,"\"",1);
+ s = sdscatlen(s,"\"",1);
+ while(len--) {
+ switch(*p) {
+ case '\\':
+ case '"':
+ s = sdscatprintf(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;
+ default:
+ if (isprint(*p))
+ s = sdscatprintf(s,"%c",*p);
+ else
+ s = sdscatprintf(s,"\\x%02x",(unsigned char)*p);
+ break;
+ }
+ p++;
+ }
+ return sdscatlen(s,"\"",1);
}
/* Helper function for sdssplitargs() 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');
+ return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') ||
+ (c >= 'A' && c <= 'F');
}
/* Helper function for sdssplitargs() that converts a hex digit into an
* integer from 0 to 15 */
int hex_digit_to_int(char c) {
- switch(c) {
- case '0': return 0;
- case '1': return 1;
- case '2': return 2;
- case '3': return 3;
- case '4': return 4;
- case '5': return 5;
- case '6': return 6;
- case '7': return 7;
- case '8': return 8;
- case '9': return 9;
- case 'a': case 'A': return 10;
- case 'b': case 'B': return 11;
- case 'c': case 'C': return 12;
- case 'd': case 'D': return 13;
- case 'e': case 'E': return 14;
- case 'f': case 'F': return 15;
- default: return 0;
- }
+ switch(c) {
+ case '0': return 0;
+ case '1': return 1;
+ case '2': return 2;
+ case '3': return 3;
+ case '4': return 4;
+ case '5': return 5;
+ case '6': return 6;
+ case '7': return 7;
+ case '8': return 8;
+ case '9': return 9;
+ case 'a': case 'A': return 10;
+ case 'b': case 'B': return 11;
+ case 'c': case 'C': return 12;
+ case 'd': case 'D': return 13;
+ case 'e': case 'E': return 14;
+ case 'f': case 'F': return 15;
+ default: return 0;
+ }
}
/* Split a line into arguments, where every argument can be in the
@@ -622,113 +622,113 @@ int hex_digit_to_int(char c) {
* as in: "foo"bar or "foo'
*/
sds *sdssplitargs(const char *line, int *argc) {
- const char *p = line;
- char *current = NULL;
- char **vector = NULL;
-
- *argc = 0;
- while(1) {
- /* skip blanks */
- while(*p && isspace(*p)) p++;
- if (*p) {
- /* get a token */
- int inq=0; /* set to 1 if we are in "quotes" */
- int insq=0; /* set to 1 if we are in 'single quotes' */
- int done=0;
-
- if (current == NULL) current = sdsempty();
- while(!done) {
- if (inq) {
- if (*p == '\\' && *(p+1) == 'x' &&
- is_hex_digit(*(p+2)) &&
- is_hex_digit(*(p+3)))
- {
- unsigned char byte;
-
- byte = (hex_digit_to_int(*(p+2))*16)+
- hex_digit_to_int(*(p+3));
- current = sdscatlen(current,(char*)&byte,1);
- p += 3;
- } else if (*p == '\\' && *(p+1)) {
- char c;
-
- p++;
- switch(*p) {
- case 'n': c = '\n'; break;
- case 'r': c = '\r'; break;
- case 't': c = '\t'; break;
- case 'b': c = '\b'; break;
- case 'a': c = '\a'; break;
- default: c = *p; break;
- }
- current = sdscatlen(current,&c,1);
- } else if (*p == '"') {
- /* closing quote must be followed by a space or
- * nothing at all. */
- if (*(p+1) && !isspace(*(p+1))) goto err;
- done=1;
- } else if (!*p) {
- /* unterminated quotes */
- goto err;
- } else {
- current = sdscatlen(current,p,1);
- }
- } else if (insq) {
- if (*p == '\\' && *(p+1) == '\'') {
- p++;
- current = sdscatlen(current,"'",1);
- } else if (*p == '\'') {
- /* closing quote must be followed by a space or
- * nothing at all. */
- if (*(p+1) && !isspace(*(p+1))) goto err;
- done=1;
- } else if (!*p) {
- /* unterminated quotes */
- goto err;
- } else {
- current = sdscatlen(current,p,1);
- }
- } else {
- switch(*p) {
- case ' ':
- case '\n':
- case '\r':
- case '\t':
- case '\0':
- done=1;
- break;
- case '"':
- inq=1;
- break;
- case '\'':
- insq=1;
- break;
- default:
- current = sdscatlen(current,p,1);
- break;
- }
- }
- if (*p) p++;
- }
- /* add the token to the vector */
- vector = realloc(vector,((*argc)+1)*sizeof(char*));
- vector[*argc] = current;
- (*argc)++;
- current = NULL;
- } else {
- /* Even on empty input string return something not NULL. */
- if (vector == NULL) vector = malloc(sizeof(void*));
- return vector;
- }
- }
+ const char *p = line;
+ char *current = NULL;
+ char **vector = NULL;
+
+ *argc = 0;
+ while(1) {
+ /* skip blanks */
+ while(*p && isspace(*p)) p++;
+ if (*p) {
+ /* get a token */
+ int inq=0; /* set to 1 if we are in "quotes" */
+ int insq=0; /* set to 1 if we are in 'single quotes' */
+ int done=0;
+
+ if (current == NULL) current = sdsempty();
+ while(!done) {
+ if (inq) {
+ if (*p == '\\' && *(p+1) == 'x' &&
+ is_hex_digit(*(p+2)) &&
+ is_hex_digit(*(p+3)))
+ {
+ unsigned char byte;
+
+ byte = (hex_digit_to_int(*(p+2))*16)+
+ hex_digit_to_int(*(p+3));
+ current = sdscatlen(current,(char*)&byte,1);
+ p += 3;
+ } else if (*p == '\\' && *(p+1)) {
+ char c;
+
+ p++;
+ switch(*p) {
+ case 'n': c = '\n'; break;
+ case 'r': c = '\r'; break;
+ case 't': c = '\t'; break;
+ case 'b': c = '\b'; break;
+ case 'a': c = '\a'; break;
+ default: c = *p; break;
+ }
+ current = sdscatlen(current,&c,1);
+ } else if (*p == '"') {
+ /* closing quote must be followed by a space or
+ * nothing at all. */
+ if (*(p+1) && !isspace(*(p+1))) goto err;
+ done=1;
+ } else if (!*p) {
+ /* unterminated quotes */
+ goto err;
+ } else {
+ current = sdscatlen(current,p,1);
+ }
+ } else if (insq) {
+ if (*p == '\\' && *(p+1) == '\'') {
+ p++;
+ current = sdscatlen(current,"'",1);
+ } else if (*p == '\'') {
+ /* closing quote must be followed by a space or
+ * nothing at all. */
+ if (*(p+1) && !isspace(*(p+1))) goto err;
+ done=1;
+ } else if (!*p) {
+ /* unterminated quotes */
+ goto err;
+ } else {
+ current = sdscatlen(current,p,1);
+ }
+ } else {
+ switch(*p) {
+ case ' ':
+ case '\n':
+ case '\r':
+ case '\t':
+ case '\0':
+ done=1;
+ break;
+ case '"':
+ inq=1;
+ break;
+ case '\'':
+ insq=1;
+ break;
+ default:
+ current = sdscatlen(current,p,1);
+ break;
+ }
+ }
+ if (*p) p++;
+ }
+ /* add the token to the vector */
+ vector = realloc(vector,((*argc)+1)*sizeof(char*));
+ vector[*argc] = current;
+ (*argc)++;
+ current = NULL;
+ } else {
+ /* Even on empty input string return something not NULL. */
+ if (vector == NULL) vector = malloc(sizeof(void*));
+ return vector;
+ }
+ }
err:
- while((*argc)--)
- sdsfree(vector[*argc]);
- free(vector);
- if (current) sdsfree(current);
- *argc = 0;
- return NULL;
+ while((*argc)--)
+ sdsfree(vector[*argc]);
+ free(vector);
+ if (current) sdsfree(current);
+ *argc = 0;
+ return NULL;
}
/* Modify the string substituting all the occurrences of the set of
@@ -741,42 +741,40 @@ err:
* The function returns the sds 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) {
- size_t j, i, l = sdslen(s);
+ size_t j, i, l = sdslen(s);
- for (j = 0; j < l; j++) {
- for (i = 0; i < setlen; i++) {
- if (s[j] == from[i]) {
- s[j] = to[i];
- break;
- }
- }
- }
- return s;
+ for (j = 0; j < l; j++) {
+ for (i = 0; i < setlen; i++) {
+ if (s[j] == from[i]) {
+ s[j] = to[i];
+ break;
+ }
+ }
+ }
+ return s;
}
/* 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();
- int j;
+ sds join = sdsempty();
+ int j;
- for (j = 0; j < argc; j++) {
- join = sdscat(join, argv[j]);
- if (j != argc-1) join = sdscatlen(join,sep,seplen);
- }
- return join;
+ for (j = 0; j < argc; j++) {
+ join = sdscat(join, argv[j]);
+ if (j != argc-1) join = sdscatlen(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();
- int j;
+ sds join = sdsempty();
+ int j;
- for (j = 0; j < argc; j++) {
- join = sdscatsds(join, argv[j]);
- if (j != argc-1) join = sdscatlen(join,sep,seplen);
- }
- return join;
+ for (j = 0; j < argc; j++) {
+ join = sdscatsds(join, argv[j]);
+ if (j != argc-1) join = sdscatlen(join,sep,seplen);
+ }
+ return join;
}
-
-
diff --git a/src/sds.h b/src/sds.h
index 4c7ae5f..2d98969 100644
--- a/src/sds.h
+++ b/src/sds.h
@@ -36,23 +36,23 @@
typedef char *sds;
struct sdshdr {
- int len;
- int free;
- char buf[];
+ int len;
+ int free;
+ char buf[];
};
static inline struct sdshdr * sdsheader(const sds s) {
- return s - (sizeof (struct sdshdr));
+ return s - (sizeof (struct sdshdr));
}
static inline size_t sdslen(const sds s) {
- struct sdshdr *sh = sdsheader(s);
- return sh->len;
+ struct sdshdr *sh = sdsheader(s);
+ return sh->len;
}
static inline size_t sdsavail(const sds s) {
- struct sdshdr *sh = sdsheader(s);
- return sh->free;
+ struct sdshdr *sh = sdsheader(s);
+ return sh->free;
}
sds sdsnewlen(const void *init, size_t initlen);
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-21 17:21:47 +0000