The function takes an int argument, and returns an int result. Since the cast from char to int is probably from 8 to 16 bits, no data is lost. But on the cast back to char from the int return, the change from 16 to 8 bits means data could be lost.
Of course, changing the contents of the string object passed to ToLower() isn't going to change the contents of the string in the calling code. Since the object is passed by value, the object that the ToLower() method operates on is a copy of the object in the calling code. For example, this code
produces this output:
Note that calls to toLowerVal() do not change the data contained in the calling code.
Hi, I'm converting a C program that I made using the Visual Studio. I now use GCC (over Linux) and can't find some equivalences. I changed my __int64 definitions to unsigned long long, but can't find an equivalent to the microsoft i64toa() function, which let you convert a char* to a 64 bit... (1 Reply)
hello everybody!
I want to create a file with permissions for read, write, and execute to everybody using C, so I write this code:
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
int main(){
int fileDescriptor;
fileDescriptor =... (2 Replies)
Hi,
I have a char buf,ch; and the buf is filled with the result from MySQL server which I get like this numbytes = recv(sock, buf, 1024, 0));I have the followingcode to display the results
printf("received %ld bytes:\n",numbytes);
for(c=0;c<numbytes;c++){
ch = (char)buf;
... (2 Replies)
Hi,
from the manual
listen(2): listen for connections on socket - Linux man page
It has a parameter called backlog and it limits the maximum length of queue of pending list.
If I set backlog to 128, is it means no more than 128 packets can be handled by server?
If I have three... (3 Replies)
Compiling xpp (The X Printing Panel) on SL6 (RHEL6 essentially):
xpp.cxx: In constructor ‘printFiles::printFiles(int, char**, int&)’:
xpp.cxx:200: error: invalid conversion from ‘const char*’ to ‘char*’
The same error with all c++ constructors - gcc 4.4.4.
If anyone can throw any light on... (8 Replies)
My question is simple: When should I use a long, int, char, unsigned/signed variables??
When I declare a variable "unsigned;" what did I do it???
Why would I delcare an integer "long" or "short" ( unsigned or signed)??
Any examples of when things like "unsigned", "long", "short" etc...... (6 Replies)
As this function returns the address of the string corressponding to the errno value provided to it. Can someone please let me know where, in the memory, it could be (on freeBSD).
The MAN page tells under the BUG section that "For unknown error numbers, the strerror() function will return its... (5 Replies)
Dear all,
I am using C and ROOT for programming. And I need to incorporate following in my code.
char *fps=NULL;
int dec=0,sign=0;
float mean = h1->GetMean(1); //0.001298
fps= fcvt(mean,6 , &dec, &sign);
I need to provide this mean as const char to some other function to get... (8 Replies)
Pointers are seeming to get the best of me and I get that error in my program.
Here is the code
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define REPORTHEADING1 " Employee Pay Hours Gross Tax Net\n"
#define REPORTHEADING2 " Name ... (1 Reply)
I have a problem at make step to install a downloaded package consisted of different programs.
In file included from kcdbext.cc:16:0:
kcdbext.h: In member function �char* kyotocabinet::IndexDB::get(const char*, size_t, size_t*)’:
kcdbext.h:1281:14: error: cannot convert �bool’ to... (3 Replies)
Discussion started by: yifangt
3 Replies
LEARN ABOUT SUNOS
tiffwarning
TIFFWarning(3tiff) Introduction to Library Functions TIFFWarning(3tiff)NAME
TIFFWarning, TIFFSetWarningHandler - library warning interface
SYNOPSIS
#include <tiffio.h>
void TIFFWarning(const char* module, const char* fmt, ...)
#include <stdarg.h>
typedef void (*TIFFWarningHandler)(const char* module, const
char* fmt, va_list ap);
TIFFWarningHandler TIFFSetWarningHandler(TIFFWarningHandler
handler);
DESCRIPTION
TIFFWarning invokes the library-wide warning handler function to (normally) write a warning message to stderr. The fmt parameter is a
printf(3S) format string, and any number of arguments can be supplied. The module parameter is interpreted as a string that, if non-zero,
should be printed before the message, and is typically used to identify the software module in which a warning is detected.
Applications that desire to capture control in the event of a warning should use TIFFSetWarningHandler to override the default warning han-
dler. A NULL(0) warning handler function may be installed to suppress error messages.
RETURN VALUES
TIFFSetWarningHandler returns a reference to the previous error handling function.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWTiff |
+-----------------------------+-----------------------------+
|Interface stability |External |
+-----------------------------+-----------------------------+
SEE ALSO libtiff(3), TIFFError(3tiff), printf(3S)NOTES
This man page was originally written by Sam Leffler. Updated by Breda McColgan, Sun Microsystems Inc., 2004.
SunOS 5.10 02 Apr 2004 TIFFWarning(3tiff)