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| author | Dmitry Stogov <dmitry@php.net> | 2010-04-20 11:05:54 +0000 |
|---|---|---|
| committer | Dmitry Stogov <dmitry@php.net> | 2010-04-20 11:05:54 +0000 |
| commit | dd5c478be61a0ef94b54837cfa875c964356e14f (patch) | |
| tree | afdce3c072b3c27f7721c6f24895a147a9f825b4 /ext/standard/array.c | |
| parent | 94dd83722b57c4613ccf8371a3c4f50ffc274584 (diff) | |
| download | php-git-dd5c478be61a0ef94b54837cfa875c964356e14f.tar.gz | |
Added concept of interned strings. All strings constants known at compile time are allocated in a single copy and never changed.
Diffstat (limited to 'ext/standard/array.c')
| -rw-r--r-- | ext/standard/array.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/ext/standard/array.c b/ext/standard/array.c index 1988ea3a44..cd9b398355 100644 --- a/ext/standard/array.c +++ b/ext/standard/array.c @@ -1653,24 +1653,28 @@ PHP_FUNCTION(range) high = (unsigned char *)Z_STRVAL_P(zhigh); if (*low > *high) { /* Negative Steps */ + unsigned char ch = *low; + if (lstep <= 0) { err = 1; goto err; } - for (; *low >= *high; (*low) -= (unsigned int)lstep) { - add_next_index_stringl(return_value, (const char *)low, 1, 1); - if (((signed int)*low - lstep) < 0) { + for (; ch >= *high; ch -= (unsigned int)lstep) { + add_next_index_stringl(return_value, (const char *)&ch, 1, 1); + if (((signed int)ch - lstep) < 0) { break; } } } else if (*high > *low) { /* Positive Steps */ + unsigned char ch = *low; + if (lstep <= 0) { err = 1; goto err; } - for (; *low <= *high; (*low) += (unsigned int)lstep) { - add_next_index_stringl(return_value, (const char *)low, 1, 1); - if (((signed int)*low + lstep) > 255) { + for (; ch <= *high; ch += (unsigned int)lstep) { + add_next_index_stringl(return_value, (const char *)&ch, 1, 1); + if (((signed int)ch + lstep) > 255) { break; } } |