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author | Sascha Schumann <sas@php.net> | 2003-03-16 23:02:19 +0000 |
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committer | Sascha Schumann <sas@php.net> | 2003-03-16 23:02:19 +0000 |
commit | d0debaf45c3ed4986b531b2772026cfcc7730856 (patch) | |
tree | c78fb21e22dfe5598c5d1ceb094f4be3e6908dfd /ext/standard/php_smart_str.h | |
parent | aba27fc6ca95c4300513ecc70ca7095e84eb4b28 (diff) | |
download | php-git-d0debaf45c3ed4986b531b2772026cfcc7730856.tar.gz |
Merge macro changes
Diffstat (limited to 'ext/standard/php_smart_str.h')
-rw-r--r-- | ext/standard/php_smart_str.h | 221 |
1 files changed, 124 insertions, 97 deletions
diff --git a/ext/standard/php_smart_str.h b/ext/standard/php_smart_str.h index 47ef596eba..8622a2efab 100644 --- a/ext/standard/php_smart_str.h +++ b/ext/standard/php_smart_str.h @@ -24,120 +24,147 @@ #include <stdlib.h> #include <zend.h> -#define smart_str_0(x) do { if ((x)->c) { (x)->c[(x)->len] = '\0'; } } while (0) +#define smart_str_0(x) do { \ + if ((x)->c) { \ + (x)->c[(x)->len] = '\0'; \ + } \ +} while (0) #ifndef SMART_STR_PREALLOC #define SMART_STR_PREALLOC 128 #endif -#define smart_str_alloc(d, n, what) {\ - if (!d->c) d->len = d->a = 0; \ - newlen = d->len + n; \ - if (newlen >= d->a) {\ - d->c = perealloc(d->c, newlen + SMART_STR_PREALLOC + 1, what); \ - d->a = newlen + SMART_STR_PREALLOC; \ - }\ -} - -#define smart_str_appends_ex(dest, src, what) smart_str_appendl_ex(dest, src, strlen(src), what) -#define smart_str_appends(dest, src) smart_str_appendl(dest, src, strlen(src)) - -#define smart_str_appendc(dest, c) smart_str_appendc_ex(dest, c, 0) -#define smart_str_free(s) smart_str_free_ex(s, 0) -#define smart_str_appendl(dest, src, len) smart_str_appendl_ex(dest, src, len, 0) -#define smart_str_append(dest, src) smart_str_append_ex(dest, src, 0) -#define smart_str_append_long(dest, val) smart_str_append_long_ex(dest, val, 0) -#define smart_str_append_unsigned(dest, val) smart_str_append_unsigned_ex(dest, val, 0) - -static inline void smart_str_appendc_ex(smart_str *dest, unsigned char c, int what) -{ - size_t newlen; - - smart_str_alloc(dest, 1, what); - dest->len = newlen; - ((unsigned char *) dest->c)[dest->len - 1] = c; -} +#define smart_str_alloc4(d, n, what, newlen) do { \ + if (!(d)->c) (d)->len = (d)->a = 0; \ + newlen = (d)->len + (n); \ + if (newlen >= (d)->a) { \ + (d)->a = newlen + SMART_STR_PREALLOC; \ + (d)->c = perealloc((d)->c, (d)->a + 1, (what)); \ + } \ +} while (0) + +#define smart_str_alloc(d, n, what) \ + smart_str_alloc4((d), (n), (what), newlen) + +/* wrapper */ + +#define smart_str_appends_ex(dest, src, what) \ + smart_str_appendl_ex((dest), (src), strlen(src), (what)) +#define smart_str_appends(dest, src) \ + smart_str_appendl((dest), (src), strlen(src)) + +#define smart_str_appendc(dest, c) \ + smart_str_appendc_ex((dest), (c), 0) +#define smart_str_free(s) \ + smart_str_free_ex((s), 0) +#define smart_str_appendl(dest, src, len) \ + smart_str_appendl_ex((dest), (src), (len), 0) +#define smart_str_append(dest, src) \ + smart_str_append_ex((dest), (src), 0) +#define smart_str_append_long(dest, val) \ + smart_str_append_long_ex((dest), (val), 0) +#define smart_str_append_off_t(dest, val) \ + smart_str_append_off_t_ex((dest), (val), 0) +#define smart_str_append_unsigned(dest, val) \ + smart_str_append_unsigned_ex((dest), (val), 0) + +#define smart_str_appendc_ex(dest, ch, what) do { \ + register size_t __nl; \ + smart_str_alloc4((dest), 1, (what), __nl); \ + (dest)->len = __nl; \ + ((unsigned char *) (dest)->c)[(dest)->len - 1] = (ch); \ +} while (0) + +#define smart_str_free_ex(s, what) do { \ + smart_str *__s = (smart_str *) (s); \ + if (__s->c) { \ + pefree(__s->c, what); \ + __s->c = NULL; \ + } \ + __s->a = __s->len = 0; \ +} while (0) + +#define smart_str_appendl_ex(dest, src, nlen, what) do { \ + register size_t __nl; \ + smart_str *__dest = (smart_str *) (dest); \ + \ + smart_str_alloc4(__dest, (nlen), (what), __nl); \ + memcpy(__dest->c + __dest->len, (src), (nlen)); \ + __dest->len = __nl; \ +} while (0) + +/* input: buf points to the END of the buffer */ +#define smart_str_print_unsigned4(buf, num, vartype, result) do { \ + char *__p = (buf); \ + vartype __num = (num); \ + *__p = '\0'; \ + do { \ + *--__p = (char) (__num % 10) + '0'; \ + __num /= 10; \ + } while (__num > 0); \ + result = __p; \ +} while (0) +/* buf points to the END of the buffer */ +#define smart_str_print_long4(buf, num, vartype, result) do { \ + if (num < 0) { \ + /* this might cause problems when dealing with LONG_MIN \ + and machines which don't support long long. Works \ + flawlessly on 32bit x86 */ \ + smart_str_print_unsigned4((buf), -(num), vartype, (result)); \ + *--(result) = '-'; \ + } else { \ + smart_str_print_unsigned4((buf), (num), vartype, (result)); \ + } \ +} while (0) -static inline void smart_str_free_ex(smart_str *s, int what) -{ - if (s->c) { - pefree(s->c, what); - s->c = NULL; - } - s->a = s->len = 0; +/* + * these could be replaced using a braced-group inside an expression + * for GCC compatible compilers, e.g. + * + * #define f(..) ({char *r;..;__r;}) + */ + +static inline char *smart_str_print_long(char *buf, long num) { + char *r; + smart_str_print_long4(buf, num, unsigned long, r); + return r; } -static inline void smart_str_appendl_ex(smart_str *dest, const char *src, size_t len, int what) -{ - size_t newlen; - - smart_str_alloc(dest, len, what); - memcpy(dest->c + dest->len, src, len); - dest->len = newlen; +static inline char *smart_str_print_unsigned(char *buf, long num) { + char *r; + smart_str_print_unsigned4(buf, num, unsigned long, r); + return r; } -/* buf points to the END of the buffer */ -static inline char *smart_str_print_unsigned(char *buf, unsigned long num) -{ - char *p = buf; +#define smart_str_append_generic_ex(dest, num, type, vartype, func) do { \ + char __b[32]; \ + char *__t; \ + smart_str_print##func##4 (__b + sizeof(__b) - 1, (num), vartype, __t); \ + smart_str_appendl_ex((dest), __t, __b + sizeof(__b) - 1 - __t, (type)); \ +} while (0) - *p = '\0'; - do { - *--p = (char)(num % 10) + '0'; - num /= 10; - } while (num > 0); +#define smart_str_append_unsigned_ex(dest, num, type) \ + smart_str_append_generic_ex((dest), (num), (type), unsigned long, _unsigned) - return p; -} - -/* buf points to the END of the buffer */ -static inline char *smart_str_print_long(char *buf, long num) -{ - char *p; - - if (num < 0) { - /* this might cause problems when dealing with LONG_MIN - and machines which don't support long long. Works - flawlessly on 32bit x86 */ - p = smart_str_print_unsigned(buf, -num); - *--p = '-'; - } else { - p = smart_str_print_unsigned(buf, num); - } - - return p; -} +#define smart_str_append_long_ex(dest, num, type) \ + smart_str_append_generic_ex((dest), (num), (type), unsigned long, _long) -static inline void smart_str_append_long_ex(smart_str *dest, long num, int type) -{ - char buf[32]; - char *p = smart_str_print_long(buf + sizeof(buf) - 1, num); - smart_str_appendl_ex(dest, p, (buf + sizeof(buf) - 1) - p, type); -} +#define smart_str_append_off_t_ex(dest, num, type) \ + smart_str_append_generic_ex((dest), (num), (type), off_t, _long) -static inline void smart_str_append_unsigned_ex(smart_str *dest, long num, int type) -{ - char buf[32]; - char *p = smart_str_print_unsigned(buf + sizeof(buf) - 1, num); - smart_str_appendl_ex(dest, p, (buf + sizeof(buf) - 1) - p, type); -} +#define smart_str_append_ex(dest, src, what) \ + smart_str_appendl_ex((dest), ((smart_str *)(src))->c, \ + ((smart_str *)(src))->len, (what)); -static inline void smart_str_append_ex(smart_str *dest, smart_str *src, int what) -{ - smart_str_appendl_ex(dest, src->c, src->len, what); -} -static inline void smart_str_setl(smart_str *dest, const char *src, size_t len) -{ - dest->len = len; - dest->a = len + 1; - dest->c = (char *) src; -} +#define smart_str_setl(dest, src, nlen) do { \ + (dest)->len = (nlen); \ + (dest)->a = (nlen) + 1; \ + (dest)->c = (char *) (src); \ +} while (0) -static inline void smart_str_sets(smart_str *dest, const char *src) -{ - smart_str_setl(dest, src, strlen(src)); -} +#define smart_str_sets(dest, src) \ + smart_str_setl((dest), (src), strlen(src)); #endif |