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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gnutls/gnutls.h>
const char* _gnutls_strerror(int);
static const char headers[] = "\\tablefirsthead{%\n"
"\\hline\n"
"\\multicolumn{1}{|c}{Error code} &\n"
"\\multicolumn{1}{c|}{Description} \\\\\n"
"\\hline}\n"
"\\tablehead{%\n"
"\\hline\n"
"\\multicolumn{2}{|l|}{\\small\\sl continued from previous page}\\\\\n"
"\\hline\n"
"\\multicolumn{1}{|c}{Error code} &\n"
"\\multicolumn{1}{c|}{Description} \\\\\n"
"\\hline}\n"
"\\tabletail{%\n"
"\\hline\n"
"\\multicolumn{2}{|r|}{\\small\\sl continued on next page}\\\\\n"
"\\hline}\n"
"\\tablelasttail{\\hline}\n"
"\\bottomcaption{The error codes table}\n\n";
typedef struct {
char name[128];
int error_index;
} error_name;
static int compar( const void* _n1, const void* _n2)
{ const error_name* n1 = (const error_name*) _n1,
* n2 = (const error_name*) _n2;
return strcmp( n1->name, n2->name);
}
static char* escape_string( const char* str)
{
static char buffer[500];
unsigned int i = 0, j = 0;
while( str[i] != 0 && j < sizeof(buffer) - 1) {
if (str[i]=='_') {
buffer[j++] = '\\';
buffer[j++] = '_';
} else {
buffer[j++] = str[i];
}
i++;
};
buffer[j] = 0;
return buffer;
}
int main()
{
int i, j;
const char* desc;
const char* _name;
error_name names_to_sort[400]; /* up to 400 names */
printf("\\chapter{Error codes and descriptions\\index{Error codes}}\\label{ap:error_codes}\n");
printf("\\begin{center}\n");
puts( headers);
printf("\\begin{supertabular}{|l|p{6cm}|}\n");
memset( names_to_sort, 0, sizeof(names_to_sort));
j=0;
for (i=0;i>-400;i--)
{
_name = _gnutls_strerror(i);
if ( _name == NULL) continue;
strcpy( names_to_sort[j].name, _name);
names_to_sort[j].error_index = i;
j++;
}
qsort( names_to_sort, j, sizeof(error_name), compar);
for (i=0;i<j;i++)
{
_name = names_to_sort[i].name;
desc = gnutls_strerror( names_to_sort[i].error_index);
if (desc == NULL || _name == NULL) continue;
printf( "{\\tiny{%s}} & %s", escape_string(_name), desc);
printf( "\\\\\n");
}
printf("\\end{supertabular}\n\n");
printf("\\end{center}\n");
return 0;
}
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