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POFailed to copy Xcode project to another version of OS X
 

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  1. POFailed to copy Xcode project to another version of OS X
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    <p>I create a project with Xcode 4.5.1 on OS X 10.8. Configurations are: Project: Architectures: Standard (32/64-bit intel) Base SDK: OS X 10.7 Deployment Target: 10.7</p> <p>At first everything goes smoothly.However, when I copy this project to another Macbook with Xcode 4.4.1 on OS X 10.7, runtime errors are thrown.</p> <hr> <p>Configurations above un changed, and error occurs at a method that fetch configuration string from file:</p> <pre><code>+(NSString *)configValueFromFile:(NSString *)path withParameter:(NSString *)parameter { const char *cPath = [path UTF8String]; const char *cPara = [[parameter uppercaseString] UTF8String]; char buff[CFG_CONFIG_READ_TOOL_BUFFER_LEN]; size_t paraLen = [parameter length]; size_t lineLen; FILE *fileFd = NULL; //struct stat dummyFileStat; BOOL isValueFound = NO; NSString *ret = nil; /* open file *//* if (0 != stat(cPath, &amp;dummyFileStat)) { NSLog(@"stat() %@: %@", path, [AMCTools strError]); return nil; }*/ fileFd = fopen(cPath, "r"); if(!fileFd) { NSLog(@"fopen() %@: %@", path, [AMCTools strError]); return nil; } /* read configuration */ while((!feof(fileFd)) &amp;&amp; (!isValueFound)) { @autoreleasepool { size_t tmp; fgets(buff, sizeof(buff), fileFd); if ('\0' == buff[sizeof(buff) - 1]) { break; } /* get a line */ lineLen = strlen(buff); if ((0 == lineLen) || ('#' == buff[0])) { continue; /* !!!!!!! */ } while(('\n' == buff[lineLen - 1]) || ('\r' == buff[lineLen - 1])) { buff[lineLen - 1] = '\0'; lineLen --; } //NSLog(@"Get line: %s", buff); /* upper case the parameter */ for (tmp = 0; (tmp &lt; lineLen) || ('=' != buff[tmp]); tmp++) { if ((buff[tmp] &gt;= 'a') &amp;&amp; (buff[tmp] &lt;= 'z')) { buff[tmp] += 'A' - 'a'; } } /* compare */ if (0 == strncmp(cPara, buff, paraLen)) { isValueFound = YES; /* fetch value sector */ for (tmp = paraLen; tmp &lt; lineLen; tmp++) { if ('=' == buff[tmp]) { tmp++; break; } } // end: for (tmp = paraLen...) if (tmp &gt;= lineLen) { /* no parameter values */ ret = @""; } else { /* skip blank */ for (/**/; tmp &lt; lineLen; tmp++) { if ((' ' != buff[tmp]) &amp;&amp; ('\t' != buff[tmp])) { break; } } ret = [NSString stringWithUTF8String:buff+tmp]; } } // end: compare } // end: autoreleasepool } //end: while(...) ENDS: if (fileFd) { fclose(fileFd); } return ret; } </code></pre> <p>This Method goes fine until the "return ret", which throws a error "<b>Thread 1: signal SIGABRT</b>";<br/></p> <hr> <p>What should I do?</p> <p>Thanks!!</p> <hr> <p>Further information for <i>Cody</i>:</p> <ol> <li>About your concern:</li> </ol> <p>Oh, I forgot mentioning that I did use ARC. It should had not been release. </p> <p>You mentioned about the line:</p> <pre><code>const char *cPara = [[parameter uppercaseString] UTF8String]; </code></pre> <p>If it is not appropriate, how should I correct it?</p>
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    1. USAndrew Chang
    1. USAndrew Chang
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    1. COare you sure that if you place it in other place that method is called at all? Place some NSLog in it to see. And by the way if you are using ARC remove @autoreleasepool block - it is little bit confusing.
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      1. POFailed to copy Xcode project to another version of OS X
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    2. COSorry, I take my "latest trial" back. Maybe that is only one luck or something else. I tried comment out the autoreleasepool, and add a NSLog between "<i>fclose()</i>" and "<i>return ret</i>". It proved that "ret" still retained at the time NSLog() is. But after it return, it is released as you mentioned.
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      1. USAndrew Chang
 

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