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version 1.140, 2014/06/14 16:14:04
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version 1.141, 2014/07/17 19:55:40
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| return p - (Uint8*)dest; | return p - (Uint8*)dest; |
| } | } |
| | |
| // Function to return a formatted char* from a va_list. |
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| // Allocates space for the returned char* and repeats the |
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| // build process until the allocated space is large enough |
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| // to hold the result. This is internal only and the core function |
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| // used by stringPrintf and stringVPrintf |
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| |
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| static char* _charVPrintf(const char* format, va_list ap) |
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| { |
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| // Iniitial allocation size. This is a guess assuming that |
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| // most printfs are one or two lines long |
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| int allocSize = 256; |
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| |
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| int rtnSize; |
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| char *p; |
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| |
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| // initial allocate for output |
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| if ((p = (char*)malloc(allocSize)) == NULL) |
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| { |
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| return 0; |
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| } |
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| |
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| // repeat formatting with increased realloc until it works. |
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| do |
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| { |
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| rtnSize = vsnprintf(p, allocSize, format, ap); |
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| |
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| // return if successful if not negative and |
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| // returns less than allocated size. |
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| if (rtnSize > -1 && rtnSize < allocSize) |
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| { |
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| return p; |
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| } |
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| |
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| // increment alloc size. Assumes that positive return is |
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| // expected size and negative is error. |
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| allocSize = (rtnSize > -1)? (rtnSize + 1) : allocSize * 2; |
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| |
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| } while((p = (char*)peg_inln_realloc(p, allocSize)) != NULL); |
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| |
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| // return error code if realloc failed |
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| return 0; |
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| } |
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| |
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| //============================================================================== | //============================================================================== |
| // | // |
| // class CString | // class CString |
Return to
String.cpp
CVS log
Up to [Pegasus] / pegasus / src / Pegasus / Common