mirror of
https://github.com/gnustep/libs-base.git
synced 2025-05-30 08:21:25 +00:00
Tidied and improved logging for read from and write to file.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@14638 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
CaS
parent
8286dec7f6
commit
72d997aa58
6 changed files with 262 additions and 100 deletions
205
Source/NSData.m
205
Source/NSData.m
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@ -144,7 +144,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned int* len, NSZone* zone)
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if ([path getFileSystemRepresentation: thePath
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maxLength: sizeof(thePath)-1] == NO)
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{
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NSWarnLog(@"Open (%s) attempt failed - bad path", thePath);
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NSWarnFLog(@"Open (%s) attempt failed - bad path", thePath);
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return NO;
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}
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@ -153,21 +153,24 @@ readContentsOfFile(NSString* path, void** buf, unsigned int* len, NSZone* zone)
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FILE_ATTRIBUTE_NORMAL, 0);
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if (fh == INVALID_HANDLE_VALUE)
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{
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NSLog(@"Open (%s) attempt failed", thePath);
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NSWarnFLog(@"Open (%s) attempt failed - %s", thePath,
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GSLastErrorStr(errno));
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return NO;
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}
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fileLength = GetFileSize(fh, &high);
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if ((fileLength == 0xFFFFFFFF) && (GetLastError() != NO_ERROR))
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{
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NSWarnFLog(@"Failed to determine size of - %s - %s", thePath,
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GSLastErrorStr(errno));
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CloseHandle(fh);
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NSLog(@"Failed to determine size of - %s", thePath);
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return NO;
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}
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if (high != 0)
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{
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NSWarnFLog(@"File to big to handle - %s - %s", thePath,
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GSLastErrorStr(errno));
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CloseHandle(fh);
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NSLog(@"File too big to handle - %s", thePath);
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return NO;
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}
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@ -178,26 +181,28 @@ readContentsOfFile(NSString* path, void** buf, unsigned int* len, NSZone* zone)
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#endif
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if (tmp == 0)
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{
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CloseHandle(fh);
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NSLog(@"Malloc failed for file (%s) of length %d - %s",
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NSWarnFLog(@"Malloc failed for file (%s) of length %d - %s",
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thePath, fileLength, GSLastErrorStr(errno));
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CloseHandle(fh);
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return NO;
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}
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if (!ReadFile(fh, tmp, fileLength, &got, 0))
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{
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if (tmp != 0)
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{
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NSWarnFLog(@"File read operation failed for %s - %s", thePath,
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GSLastErrorStr(errno));
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NSZoneFree(zone, tmp);
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CloseHandle(fh);
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NSLog(@"File read operation failed for %s", thePath);
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return NO;
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}
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}
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if (got != fileLength)
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{
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NSWarnFLog(@"File read operation short for %s - %s", thePath,
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GSLastErrorStr(errno));
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NSZoneFree(zone, tmp);
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CloseHandle(fh);
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NSLog(@"File read operation short for %s", thePath);
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return NO;
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}
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CloseHandle(fh);
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@ -210,7 +215,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned int* len, NSZone* zone)
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if (theFile == NULL) /* We failed to open the file. */
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{
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NSLog(@"Open (%s) attempt failed - %s", thePath,
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NSWarnFLog(@"Open (%s) attempt failed - %s", thePath,
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GSLastErrorStr(errno));
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goto failure;
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}
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@ -221,7 +226,8 @@ readContentsOfFile(NSString* path, void** buf, unsigned int* len, NSZone* zone)
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c = fseek(theFile, 0L, SEEK_END);
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if (c != 0)
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{
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NSLog(@"Seek to end of file failed - %s", GSLastErrorStr(errno));
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NSWarnFLog(@"Seek to end of file (%s) failed - %s", thePath,
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GSLastErrorStr(errno));
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goto failure;
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}
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@ -232,7 +238,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned int* len, NSZone* zone)
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fileLength = ftell(theFile);
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if (fileLength == -1)
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{
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NSLog(@"Ftell failed - %s", GSLastErrorStr(errno));
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NSWarnFLog(@"Ftell on %s failed - %s", thePath, GSLastErrorStr(errno));
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goto failure;
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}
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@ -243,7 +249,8 @@ readContentsOfFile(NSString* path, void** buf, unsigned int* len, NSZone* zone)
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c = fseek(theFile, 0L, SEEK_SET);
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if (c != 0)
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{
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NSLog(@"Fseek to start of file failed - %s", GSLastErrorStr(errno));
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NSWarnFLog(@"Fseek to start of file (%s) failed - %s",
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thePath, GSLastErrorStr(errno));
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goto failure;
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}
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@ -276,8 +283,8 @@ readContentsOfFile(NSString* path, void** buf, unsigned int* len, NSZone* zone)
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}
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if (tmp == 0)
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{
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NSLog(@"Malloc failed for file of length %d - %s",
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fileLength + c, GSLastErrorStr(errno));
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NSWarnFLog(@"Malloc failed for file (%s) of length %d - %s",
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thePath, fileLength + c, GSLastErrorStr(errno));
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goto failure;
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}
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memcpy(tmp + fileLength, buf, c);
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@ -293,15 +300,16 @@ readContentsOfFile(NSString* path, void** buf, unsigned int* len, NSZone* zone)
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#endif
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if (tmp == 0)
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{
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NSLog(@"Malloc failed for file of length %d - %s",
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fileLength, GSLastErrorStr(errno));
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NSWarnFLog(@"Malloc failed for file (%s) of length %d - %s",
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thePath, fileLength, GSLastErrorStr(errno));
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goto failure;
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}
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c = fread(tmp, 1, fileLength, theFile);
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if (c != fileLength)
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{
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NSLog(@"read of file contents failed - %s", GSLastErrorStr(errno));
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NSWarnFLog(@"read of file (%s) contents failed - %s",
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thePath, GSLastErrorStr(errno));
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goto failure;
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}
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}
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@ -419,6 +427,10 @@ failure:
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return empty;
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}
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/**
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* Returns an autoreleased data object containing data copied from bytes
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* and with the specified length. Invokes -initWithBytes:length:
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*/
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+ (id) dataWithBytes: (const void*)bytes
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length: (unsigned int)length
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{
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@ -429,6 +441,11 @@ failure:
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return AUTORELEASE(d);
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}
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/**
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* Returns an autoreleased data object encapsulating the data at bytes
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* and with the specified length. Invokes
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* -initWithBytesNoCopy:length:freeWhenDone: with YES
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*/
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+ (id) dataWithBytesNoCopy: (void*)bytes
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length: (unsigned int)length
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{
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@ -439,6 +456,11 @@ failure:
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return AUTORELEASE(d);
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}
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/**
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* Returns an autoreleased data object encapsulating the data at bytes
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* and with the specified length. Invokes
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* -initWithBytesNoCopy:length:freeWhenDone:
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*/
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+ (id) dataWithBytesNoCopy: (void*)bytes
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length: (unsigned int)length
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freeWhenDone: (BOOL)shouldFree
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@ -457,6 +479,10 @@ failure:
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return AUTORELEASE(d);
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}
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/**
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* Returns a data object encapsulating the contents of the specified file.
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* Invokes -initWithContentsOfFile:
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*/
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+ (id) dataWithContentsOfFile: (NSString*)path
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{
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NSData *d;
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@ -466,6 +492,11 @@ failure:
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return AUTORELEASE(d);
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}
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/**
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* Returns a data object encapsulating the contents of the specified
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* file mapped directly into memory.
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* Invokes -initWithContentsOfMappedFile:
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*/
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+ (id) dataWithContentsOfMappedFile: (NSString*)path
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{
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NSData *d;
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@ -480,6 +511,10 @@ failure:
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return AUTORELEASE(d);
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}
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/**
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* Retrieves the information at the specified url and returns an NSData
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* instance encapsulating it.
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*/
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+ (id) dataWithContentsOfURL: (NSURL*)url
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{
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NSData *d;
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@ -488,6 +523,9 @@ failure:
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return d;
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}
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/**
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* Returns an autoreleased instance initialised by copying the contents of data.
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*/
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+ (id) dataWithData: (NSData*)data
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{
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NSData *d;
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@ -497,6 +535,9 @@ failure:
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return AUTORELEASE(d);
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}
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/**
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* Returns a new empty data object.
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*/
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+ (id) new
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{
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NSData *d;
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@ -511,6 +552,11 @@ failure:
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return [self initWithBytesNoCopy: 0 length: 0 freeWhenDone: YES];
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}
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/**
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* Makes a copy of bufferSize bytes of data at aBuffer, and passes it to
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* -initWithBytesNoCopy:length:freeWhenDone: with a YES argument in order
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* to initialise the receiver. Returns the result.
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*/
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- (id) initWithBytes: (const void*)aBuffer
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length: (unsigned int)bufferSize
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{
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@ -540,6 +586,13 @@ failure:
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}
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/** <init /><override-subclass />
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* Initialises the receiver.<br />
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* The value of aBuffer is a pointer to something to be stored.<br />
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* The value of bufferSize is the number of bytes to use.<br />
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* The value fo shouldFree specifies whether the receiver should
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* attempt to free the memory pointer to by aBuffer when the receiver
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* is deallocated ... ie. it says whether the receiver <em>owns</em>
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* the memory.
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*/
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- (id) initWithBytesNoCopy: (void*)aBuffer
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length: (unsigned int)bufferSize
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@ -551,8 +604,8 @@ failure:
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/**
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* Initialises the receiver with the contents of the specified file.<br />
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* Returns the resulting object.
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* Returns nil if the file does not exist.
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* Returns the resulting object.<br />
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* Returns nil if the file does not exist or can not be read for some reason.
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*/
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- (id) initWithContentsOfFile: (NSString*)path
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{
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@ -567,8 +620,7 @@ failure:
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#endif
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if (readContentsOfFile(path, &fileBytes, &fileLength, zone) == NO)
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{
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RELEASE(self);
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self = nil;
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DESTROY(self);
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}
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else
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{
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@ -615,6 +667,9 @@ failure:
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// Accessing Data
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/** <override-subclass>
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* Returns a pointer to the data encapsulated by the receiver.
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*/
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- (const void*) bytes
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{
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[self subclassResponsibility: _cmd];
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@ -667,16 +722,36 @@ failure:
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return AUTORELEASE(str);
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}
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/**
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* Copies the contents of the memory encapsulated by the receiver into
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* the specified buffer. The buffer must be large enough to contain
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* -length bytes of data ... if it isn't then a crash is likely to occur.<br />
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* Invokes -getBytes:range: with the range set to the whole of the receiver.
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*/
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- (void) getBytes: (void*)buffer
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{
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[self getBytes: buffer range: NSMakeRange(0, [self length])];
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}
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/**
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* Copies length bytes of data from the memory encapsulated by the receiver
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* into the specified buffer. The buffer must be large enough to contain
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* length bytes of data ... if it isn't then a crash is likely to occur.<br />
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* Invokes -getBytes:range: with the range set to iNSMakeRange(0, length)
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*/
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- (void) getBytes: (void*)buffer length: (unsigned int)length
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{
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[self getBytes: buffer range: NSMakeRange(0, length)];
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}
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/**
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* Copies data from the memory encapsulated by the receiver (in the range
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* specified by aRange) into the specified buffer.<br />
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* The buffer must be large enough to contain the data ... if it isn't then
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* a crash is likely to occur.<br />
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* If aRange specifies a range which does not entirely lie within the
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* receiver, an exception is raised.
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*/
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- (void) getBytes: (void*)buffer range: (NSRange)aRange
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{
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unsigned size = [self length];
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@ -690,6 +765,12 @@ failure:
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return self;
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}
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/**
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* Returns an NSData instance encapsulating the memory from the reciever
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* specified by the range aRange.<br />
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* If aRange specifies a range which does not entirely lie within the
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* receiver, an exception is raised.
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*/
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- (NSData*) subdataWithRange: (NSRange)aRange
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{
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void *buffer;
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@ -747,15 +828,28 @@ failure:
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return NO;
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}
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|
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// Querying a Data Object
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/**
|
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* Returns a boolean value indicating if the receiver and other contain
|
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* identical data (using a byte by byte comparison). Assumes that the
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* other object is an NSData instance ... may raise an exception if it isn't.
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*/
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- (BOOL) isEqualToData: (NSData*)other
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{
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int len;
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if (other == self)
|
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{
|
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return YES;
|
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}
|
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if ((len = [self length]) != [other length])
|
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return NO;
|
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{
|
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return NO;
|
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}
|
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return (memcmp([self bytes], [other bytes], len) ? NO : YES);
|
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}
|
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|
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/** <override-subclass>
|
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* Returns the number of bytes of data encapsulated by the receiver.
|
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*/
|
||||
- (unsigned int) length
|
||||
{
|
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/* This is left to concrete subclasses to implement. */
|
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|
|
@ -763,9 +857,16 @@ failure:
|
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return 0;
|
||||
}
|
||||
|
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|
||||
// Storing Data
|
||||
|
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/**
|
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* <p>Writes a copy of the data encapsulated by the receiver to a file
|
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* at path. If the useAuxiliaryFile flag is YES, this writes to a
|
||||
* temporary file and then renames that to the file at path, thus
|
||||
* ensuring that path exists and does not contain partially written
|
||||
* data at any point.
|
||||
* </p>
|
||||
* <p>On success returns YES, on failure returns NO.
|
||||
* </p>
|
||||
*/
|
||||
- (BOOL) writeToFile: (NSString*)path atomically: (BOOL)useAuxiliaryFile
|
||||
{
|
||||
char thePath[BUFSIZ*2+8];
|
||||
|
|
@ -783,7 +884,7 @@ failure:
|
|||
if ([path getFileSystemRepresentation: theRealPath
|
||||
maxLength: sizeof(theRealPath)-1] == NO)
|
||||
{
|
||||
NSWarnLog(@"Open (%s) attempt failed - bad path", theRealPath);
|
||||
NSWarnMLog(@"Open (%s) attempt failed - bad path", theRealPath);
|
||||
return NO;
|
||||
}
|
||||
|
||||
|
|
@ -795,7 +896,7 @@ failure:
|
|||
if ([tmppath getFileSystemRepresentation: thePath
|
||||
maxLength: sizeof(thePath)-1] == NO)
|
||||
{
|
||||
NSWarnLog(@"Open (%s) attempt failed - bad path", thePath);
|
||||
NSWarnMLog(@"Open (%s) attempt failed - bad path", thePath);
|
||||
return NO;
|
||||
}
|
||||
|
||||
|
|
@ -803,14 +904,16 @@ failure:
|
|||
FILE_ATTRIBUTE_NORMAL, NULL);
|
||||
if (fh == INVALID_HANDLE_VALUE)
|
||||
{
|
||||
NSLog(@"Create (%s) attempt failed", thePath);
|
||||
NSWarnMLog(@"Create (%s) attempt failed - %s", thePath,
|
||||
GSLastErrorStr(errno));
|
||||
return NO;
|
||||
}
|
||||
|
||||
if (!WriteFile(fh, [self bytes], [self length], &wroteBytes, 0))
|
||||
{
|
||||
NSWarnMLog(@"Write (%s) attempt failed - %s", thePath,
|
||||
GSLastErrorStr(errno));
|
||||
CloseHandle(fh);
|
||||
NSLog(@"Write (%s) attempt failed", thePath);
|
||||
goto failure;
|
||||
}
|
||||
CloseHandle(fh);
|
||||
|
|
@ -826,7 +929,8 @@ failure:
|
|||
strcat(thePath, "XXXXXX");
|
||||
if ((desc = mkstemp(thePath)) < 0)
|
||||
{
|
||||
NSLog(@"mkstemp (%s) failed - %s", thePath, GSLastErrorStr(errno));
|
||||
NSWarnMLog(@"mkstemp (%s) failed - %s", thePath,
|
||||
GSLastErrorStr(errno));
|
||||
goto failure;
|
||||
}
|
||||
mask = umask(0);
|
||||
|
|
@ -852,7 +956,8 @@ failure:
|
|||
strcat(thePath, "XXXXXX");
|
||||
if (mktemp(thePath) == 0)
|
||||
{
|
||||
NSLog(@"mktemp (%s) failed - %s", thePath, GSLastErrorStr(errno));
|
||||
NSWarnMLog(@"mktemp (%s) failed - %s", thePath,
|
||||
GSLastErrorStr(errno));
|
||||
goto failure;
|
||||
}
|
||||
}
|
||||
|
|
@ -868,7 +973,7 @@ failure:
|
|||
if (theFile == NULL) /* Something went wrong; we weren't
|
||||
* even able to open the file. */
|
||||
{
|
||||
NSLog(@"Open (%s) failed - %s", thePath, GSLastErrorStr(errno));
|
||||
NSWarnMLog(@"Open (%s) failed - %s", thePath, GSLastErrorStr(errno));
|
||||
goto failure;
|
||||
}
|
||||
|
||||
|
|
@ -880,7 +985,7 @@ failure:
|
|||
if (c < [self length]) /* We failed to write everything for
|
||||
* some reason. */
|
||||
{
|
||||
NSLog(@"Fwrite (%s) failed - %s", thePath, GSLastErrorStr(errno));
|
||||
NSWarnMLog(@"Fwrite (%s) failed - %s", thePath, GSLastErrorStr(errno));
|
||||
goto failure;
|
||||
}
|
||||
|
||||
|
|
@ -891,7 +996,7 @@ failure:
|
|||
* closing the file, but we got here,
|
||||
* so we need to deal with it. */
|
||||
{
|
||||
NSLog(@"Fclose (%s) failed - %s", thePath, GSLastErrorStr(errno));
|
||||
NSWarnMLog(@"Fclose (%s) failed - %s", thePath, GSLastErrorStr(errno));
|
||||
goto failure;
|
||||
}
|
||||
#endif
|
||||
|
|
@ -942,7 +1047,7 @@ failure:
|
|||
#endif
|
||||
if (c != 0) /* Many things could go wrong, I guess. */
|
||||
{
|
||||
NSLog(@"Rename ('%s' to '%s') failed - %s",
|
||||
NSWarnMLog(@"Rename ('%s' to '%s') failed - %s",
|
||||
thePath, theRealPath, GSLastErrorStr(errno));
|
||||
goto failure;
|
||||
}
|
||||
|
|
@ -961,7 +1066,10 @@ failure:
|
|||
[att removeObjectForKey: NSFileDeviceIdentifier];
|
||||
[att removeObjectForKey: NSFileType];
|
||||
if ([mgr changeFileAttributes: att atPath: path] == NO)
|
||||
NSLog(@"Unable to correctly set all attributes for '%@'", path);
|
||||
{
|
||||
NSWarnMLog(@"Unable to correctly set all attributes for '%@'",
|
||||
path);
|
||||
}
|
||||
}
|
||||
#ifndef __MINGW__
|
||||
else if (geteuid() == 0 && [@"root" isEqualToString: NSUserName()] == NO)
|
||||
|
|
@ -969,7 +1077,9 @@ failure:
|
|||
att = [NSDictionary dictionaryWithObjectsAndKeys:
|
||||
NSFileOwnerAccountName, NSUserName(), nil];
|
||||
if ([mgr changeFileAttributes: att atPath: path] == NO)
|
||||
NSLog(@"Unable to correctly set ownership for '%@'", path);
|
||||
{
|
||||
NSWarnMLog(@"Unable to correctly set ownership for '%@'", path);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
|
@ -989,6 +1099,9 @@ failure:
|
|||
return NO;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a copy of the contents of the receiver to the specified URL.
|
||||
*/
|
||||
- (BOOL) writeToURL: (NSURL*)anURL atomically: (BOOL)flag
|
||||
{
|
||||
if ([anURL isFileURL] == YES)
|
||||
|
|
@ -2629,13 +2742,13 @@ getBytes(void* dst, void* src, unsigned len, unsigned limit, unsigned *pos)
|
|||
if ([path getFileSystemRepresentation: thePath
|
||||
maxLength: sizeof(thePath)-1] == NO)
|
||||
{
|
||||
NSLog(@"Open (%s) attempt failed - bad path", thePath);
|
||||
NSWarnMLog(@"Open (%s) attempt failed - bad path", thePath);
|
||||
return NO;
|
||||
}
|
||||
fd = open(thePath, O_RDONLY);
|
||||
if (fd < 0)
|
||||
{
|
||||
NSLog(@"[NSDataMappedFile -initWithContentsOfMappedFile:] unable to open %s - %s", thePath, GSLastErrorStr(errno));
|
||||
NSWarnMLog(@"unable to open %s - %s", thePath, GSLastErrorStr(errno));
|
||||
RELEASE(self);
|
||||
return nil;
|
||||
}
|
||||
|
|
@ -2643,7 +2756,8 @@ getBytes(void* dst, void* src, unsigned len, unsigned limit, unsigned *pos)
|
|||
length = lseek(fd, 0, SEEK_END);
|
||||
if (length < 0)
|
||||
{
|
||||
NSLog(@"[NSDataMappedFile -initWithContentsOfMappedFile:] unable to seek to eof %s - %s", thePath, GSLastErrorStr(errno));
|
||||
NSWarnMLog(@"unable to seek to eof %s - %s",
|
||||
thePath, GSLastErrorStr(errno));
|
||||
close(fd);
|
||||
RELEASE(self);
|
||||
return nil;
|
||||
|
|
@ -2651,7 +2765,8 @@ getBytes(void* dst, void* src, unsigned len, unsigned limit, unsigned *pos)
|
|||
/* Position at start of file. */
|
||||
if (lseek(fd, 0, SEEK_SET) != 0)
|
||||
{
|
||||
NSLog(@"[NSDataMappedFile -initWithContentsOfMappedFile:] unable to seek to sof %s - %s", thePath, GSLastErrorStr(errno));
|
||||
NSWarnMLog(@"unable to seek to sof %s - %s",
|
||||
thePath, GSLastErrorStr(errno));
|
||||
close(fd);
|
||||
RELEASE(self);
|
||||
return nil;
|
||||
|
|
@ -2659,7 +2774,8 @@ getBytes(void* dst, void* src, unsigned len, unsigned limit, unsigned *pos)
|
|||
bytes = mmap(0, length, PROT_READ, MAP_SHARED, fd, 0);
|
||||
if (bytes == MAP_FAILED)
|
||||
{
|
||||
NSLog(@"[NSDataMappedFile -initWithContentsOfMappedFile:] mapping failed for %s - %s", thePath, GSLastErrorStr(errno));
|
||||
NSWarnMLog(@"mapping failed for %s - %s",
|
||||
thePath, GSLastErrorStr(errno));
|
||||
close(fd);
|
||||
RELEASE(self);
|
||||
self = [dataMalloc allocWithZone: NSDefaultMallocZone()];
|
||||
|
|
@ -2909,8 +3025,7 @@ getBytes(void* dst, void* src, unsigned len, unsigned limit, unsigned *pos)
|
|||
self = [self initWithCapacity: 0];
|
||||
if (readContentsOfFile(path, &bytes, &length, zone) == NO)
|
||||
{
|
||||
RELEASE(self);
|
||||
self = nil;
|
||||
DESTROY(self);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue