diff options
Diffstat (limited to 'src/yasl.c')
-rw-r--r-- | src/yasl.c | 250 |
1 files changed, 125 insertions, 125 deletions
@@ -44,12 +44,12 @@ * The string is always null-termined (all the sds strings are, always) so * even if you create an sds 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) { +sds yaslnew(const void *init, size_t initlen) { struct sdshdr *sh; if (init) { @@ -69,21 +69,21 @@ sds sdsnew(const void *init, size_t initlen) { } /* Duplicate an sds string. */ -sds sdsdup(const sds s) { - return sdsnew(s, sdslen(s)); +sds yasldup(const sds s) { + return yaslnew(s, yasllen(s)); } /* Create an empty (zero length) sds string. Even in this case the string * always has an implicit null term. */ -sds sdsempty(void) { - return sdsnew("", 0); +sds yaslempty(void) { + return yaslnew("", 0); } /* Create an sds 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) { +sds yaslfromlonglong(long long value) { char buf[32], *p; unsigned long long v; @@ -95,7 +95,7 @@ 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))); } @@ -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 sds s1, const sds 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); } @@ -131,8 +131,8 @@ int sdscmp(const sds s1, const sds s2) { * 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(sds s) { + struct sdshdr *sh = yaslheader(s); sh->free += sh->len; sh->len = 0; sh->buf[0] = '\0'; @@ -143,16 +143,16 @@ void sdsclear(sds s) { * * 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); +sds yaslgrowzero(sds s, size_t len) { + struct sdshdr *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; @@ -162,14 +162,14 @@ sds sdsgrowzero(sds s, size_t len) { /* 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); +sds yaslcpylen(sds s, const char *t, size_t len) { + struct sdshdr *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)); +sds yaslcpy(sds 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(); +sds yasljoin(char **argv, int argc, char *sep, size_t seplen) { + sds 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 SDS strings. */ +sds yasljoinyasl(sds *argv, int argc, const char *sep, size_t seplen) { + sds 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 * 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++) { +sds yaslmapchars(sds 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(sds s, ptrdiff_t start, ptrdiff_t end) { + struct sdshdr *sh = yaslheader(s); + size_t newlen, len = yasllen(s); if (len == 0) { return; } if (start < 0) { @@ -276,15 +276,15 @@ void sdsrange(sds s, ptrdiff_t start, ptrdiff_t end) { } /* Apply tolower() to every character of the sds string 's'. */ -void sdstolower(sds s) { - for (size_t j = 0; j < sdslen(s); j++) { +void yasltolower(sds 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++) { +void yasltoupper(sds s) { + for (size_t j = 0; j < yasllen(s); j++) { s[j] = (char)toupper(s[j]); } } @@ -297,19 +297,19 @@ void sdstoupper(sds s) { * * 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(sds s, const char *cset) { + struct sdshdr *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)); @@ -325,16 +325,16 @@ void sdstrim(sds s, const char *cset) { * This function is useful when the sds 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(sds s) { + struct sdshdr *sh = yaslheader(s); size_t reallen = strlen(s); sh->free += (sh->len - reallen); sh->len = reallen; @@ -349,17 +349,17 @@ void sdsupdatelen(sds s) { * of sds is returned. * * The caller should free the resulting array of sds strings with - * sdsfreesplitres(). + * 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) { +sds *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; } } @@ -462,10 +462,10 @@ 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; } @@ -486,7 +486,7 @@ err: * requires length arguments. sdssplit() 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) { +sds *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; @@ -511,7 +511,7 @@ sds *sdssplitlen(const char *s, size_t len, const char *sep, size_t seplen, size } /* 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; @@ -542,16 +542,16 @@ cleanup: * * 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)); +sds yaslcat(sds s, const char *t) { + return yaslcatlen(s, t, strlen(t)); } /* Append the specified sds 't' to the existing sds 's'. * * 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)); +sds yaslcatyasl(sds s, const sds t) { + return yaslcatlen(s, t, yasllen(t)); } /* Append the specified binary-safe string pointed by 't' of 'len' bytes to the @@ -559,13 +559,13 @@ sds sdscatsds(sds s, const sds t) { * * 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) { +sds yaslcatlen(sds s, const void *t, size_t len) { struct sdshdr *sh; - size_t curlen = sdslen(s); + 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; @@ -579,35 +579,35 @@ sds sdscatlen(sds s, const void *t, size_t len) { * * 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); +sds yaslcatrepr(sds 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) { +sds yaslcatvprintf(sds s, const char *fmt, va_list ap) { va_list cpy; char *buf, *t; size_t buflen = 16; @@ -625,7 +625,7 @@ sds sdscatvprintf(sds s, const char *fmt, va_list ap) { } break; } - t = sdscat(s, buf); + t = yaslcat(s, buf); free(buf); return t; } @@ -639,19 +639,19 @@ sds sdscatvprintf(sds s, const char *fmt, va_list ap) { * * 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, ...) { +sds yaslcatprintf(sds 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; } @@ -660,16 +660,16 @@ sds sdscatprintf(sds s, const char *fmt, ...) { /// Freeing /* Free an sds string. No operation is performed if 's' is NULL. */ -void sdsfree(sds s) { +void yaslfree(sds 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(sds *tokens, size_t count) { if (!tokens) { return; } while(count--) { - sdsfree(tokens[count]); + yaslfree(tokens[count]); } free(tokens); } @@ -684,8 +684,8 @@ void sdsfreesplitres(sds *tokens, size_t count) { * 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(sds s) { + struct sdshdr *sh = yaslheader(s); return sizeof(*sh) + sh->len + sh->free + 1; } @@ -695,23 +695,23 @@ size_t sdsAllocSize(sds s) { * 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 + * Using yaslIncrLen() and yaslMakeRoomFor() 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: * - * 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(sds s, size_t incr) { + struct sdshdr *sh = yaslheader(s); assert(sh->free >= incr); sh->len += incr; @@ -724,15 +724,15 @@ void sdsIncrLen(sds s, size_t incr) { * 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) { + * by yasllen(), but only the free buffer space we have. */ +sds yaslMakeRoomFor(sds s, size_t addlen) { struct sdshdr *sh, *newsh; - size_t free = sdsavail(s); + 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) { newlen *= 2; @@ -752,10 +752,10 @@ 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) { +sds yaslRemoveFreeSpace(sds s) { struct sdshdr *sh; - sh = sdsheader(s); + sh = yaslheader(s); sh = realloc(sh, sizeof(struct sdshdr) + 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) { |