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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15134 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2006-09-17 17:36:42 +00:00
parent 8aeb5072ab
commit aa3240972a
5 changed files with 235 additions and 148 deletions
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208
library/string_strerror.c
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@ -1,5 +1,5 @@
/*
* $Id: string_strerror.c,v 1.3 2006-01-08 12:04:27 obarthel Exp $
* $Id: string_strerror.c,v 1.4 2006-09-17 17:36:42 obarthel Exp $
*
* :ts=4
*
@ -37,162 +37,78 @@
/****************************************************************************/
static char * error_table[EILSEQ - EPERM + 1] =
static void
number_to_string(int number,char * string,size_t string_size)
{
"Operation not permitted",
"No such file or directory",
"No such process",
"Interrupted system call",
"Input/output error",
"Device not configured",
"Argument list too long",
"Exec format error",
"Bad file descriptor",
"No child processes",
"Resource deadlock avoided",
"Cannot allocate memory",
"Permission denied",
"Bad address",
"Block device required",
"Device busy",
"File exists",
"Cross-device link",
"Operation not supported by device",
"Not a directory",
"Is a directory",
"Invalid argument",
"Too many open files in system",
"Too many open files",
"Inappropriate ioctl for device",
"Text file busy",
"File too large",
"No space left on device",
"Illegal seek",
"Read-only file system",
"Too many links",
"Broken pipe",
"Numerical argument out of domain",
"Result too large",
"Resource temporarily unavailable",
"Operation now in progress",
"Operation already in progress",
"Socket operation on non-socket",
"Destination address required",
"Message too long",
"Protocol wrong type for socket",
"Protocol not available",
"Protocol not supported",
"Socket type not supported",
"Operation not supported on socket",
"Protocol family not supported",
"Address family not supported by protocol family",
"Address already in use",
"Can't assign requested address",
"Network is down",
"Network is unreachable",
"Network dropped connection on reset",
"Software caused connection abort",
"Connection reset by peer",
"No buffer space available",
"Socket is already connected",
"Socket is not connected",
"Can't send after socket shutdown",
"Too many references: can't splice",
"Connection timed out",
"Connection refused",
"Too many levels of symbolic links",
"File name too long",
"Host is down",
"No route to host",
"Directory not empty",
"Too many processes",
"Too many users",
"Disc quota exceeded",
"Stale NFS file handle",
"Too many levels of remote in path",
"RPC struct is bad",
"RPC version wrong",
"RPC program not available",
"Program version wrong",
"Bad procedure for program",
"No locks available",
"Function not implemented",
"Inappropriate file type or format",
"Authentication error",
"Need authenticator",
"Identifier removed",
"No message of the desired type.",
"Value too large to be stored in data type.",
"Encoding error detected"
};
int is_negative = 0;
char * s = string;
unsigned int n;
size_t i,len;
char c;
/* We convert the error number into in an unsigned
integer, so that numbers such as 0x80000000
can come out of the conversion. */
if(number < 0)
{
is_negative = 1;
n = (-number);
}
else
{
n = number;
}
/* Convert the error number into a string of digits. */
len = 0;
do
{
(*s++) = '0' + (n % 10);
n /= 10;
len++;
}
while(n > 0 && len < string_size-1);
/* Add the sign, if necessary. */
if(is_negative && len < string_size-1)
{
(*s++) = '-';
len++;
}
(*s) = '\0';
/* Reverse the string in place. */
for(i = 0 ; i < len / 2 ; i++)
{
c = string[len-1-i];
string[len-1-i] = string[i];
string[i] = c;
}
}
/****************************************************************************/
char *
strerror(int error_number)
{
char * result;
static char error_message[80];
if(error_number < EPERM || error_number > EILSEQ)
/* NOTE: We are making the assumption that if strerror_r() fails, it
will fail only because the error code is unknown, and not
because the size of the supplied buffer is too small. */
if(strerror_r(error_number,error_message,sizeof(error_message)) != 0)
{
static char error_buffer[80];
char number[30];
char *s = number;
int is_negative = 0;
unsigned int n;
int i,len,c;
char number[20];
/* We convert the error number into in an unsigned
integer, so that numbers such as 0x80000000
can come out of the conversion. */
if(error_number < 0)
{
is_negative = 1;
number_to_string(error_number,number,sizeof(number));
n = (-error_number);
}
else
{
n = error_number;
}
/* Convert the error number into a string of digits. */
len = 0;
do
{
(*s++) = '0' + (n % 10);
n /= 10;
len++;
}
while(n > 0 && len < (int)sizeof(number)-1);
/* Add the sign, if necessary. */
if(is_negative && len < (int)sizeof(number)-1)
{
(*s++) = '-';
len++;
}
(*s) = '\0';
/* Reverse the string in place. */
for(i = 0 ; i < len / 2 ; i++)
{
c = number[len-1-i];
number[len-1-i] = number[i];
number[i] = c;
}
strcpy(error_buffer,"Unknown error ");
strcat(error_buffer,number);
result = error_buffer;
}
else
{
result = error_table[error_number - EPERM];
strcpy(error_message,"Unknown error ");
strcat(error_message,number);
}
return(result);
return(error_message);
}