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/* src/interfaces/ecpg/preproc/util.c */
#include "postgres_fe.h"
#include <unistd.h>
#include "preproc_extern.h"
static void vmmerror(int error_code, enum errortype type, const char *error, va_list ap) pg_attribute_printf(3, 0);
/*
* Handle preprocessor errors and warnings
*/
static void
vmmerror(int error_code, enum errortype type, const char *error, va_list ap)
{
/* localize the error message string */
error = _(error);
fprintf(stderr, "%s:%d: ", input_filename, base_yylineno);
switch (type)
{
case ET_WARNING:
fprintf(stderr, _("WARNING: "));
break;
case ET_ERROR:
fprintf(stderr, _("ERROR: "));
break;
}
vfprintf(stderr, error, ap);
fprintf(stderr, "\n");
/* If appropriate, set error code to be inspected by ecpg.c */
switch (type)
{
case ET_WARNING:
break;
case ET_ERROR:
ret_value = error_code;
break;
}
}
/* Report an error or warning */
void
mmerror(int error_code, enum errortype type, const char *error,...)
{
va_list ap;
va_start(ap, error);
vmmerror(error_code, type, error, ap);
va_end(ap);
}
/* Report an error and abandon execution */
void
mmfatal(int error_code, const char *error,...)
{
va_list ap;
va_start(ap, error);
vmmerror(error_code, ET_ERROR, error, ap);
va_end(ap);
if (base_yyin)
fclose(base_yyin);
if (base_yyout)
fclose(base_yyout);
if (strcmp(output_filename, "-") != 0 && unlink(output_filename) != 0)
fprintf(stderr, _("could not remove output file \"%s\"\n"), output_filename);
exit(error_code);
}
/*
* Basic memory management support
*/
/* malloc + error check */
void *
mm_alloc(size_t size)
{
void *ptr = malloc(size);
if (ptr == NULL)
mmfatal(OUT_OF_MEMORY, "out of memory");
return ptr;
}
/* strdup + error check */
char *
mm_strdup(const char *string)
{
char *new = strdup(string);
if (new == NULL)
mmfatal(OUT_OF_MEMORY, "out of memory");
return new;
}
/*
* String concatenation
*/
/*
* Concatenate 2 strings, inserting a space between them unless either is empty
*
* The input strings are freed.
*/
char *
cat2_str(char *str1, char *str2)
{
char *res_str = (char *) mm_alloc(strlen(str1) + strlen(str2) + 2);
strcpy(res_str, str1);
if (strlen(str1) != 0 && strlen(str2) != 0)
strcat(res_str, " ");
strcat(res_str, str2);
free(str1);
free(str2);
return res_str;
}
/*
* Concatenate N strings, inserting spaces between them unless they are empty
*
* The input strings are freed.
*/
char *
cat_str(int count,...)
{
va_list args;
int i;
char *res_str;
va_start(args, count);
res_str = va_arg(args, char *);
/* now add all other strings */
for (i = 1; i < count; i++)
res_str = cat2_str(res_str, va_arg(args, char *));
va_end(args);
return res_str;
}
/*
* Concatenate 2 strings, with no space between
*
* The input strings are freed.
*/
char *
make2_str(char *str1, char *str2)
{
char *res_str = (char *) mm_alloc(strlen(str1) + strlen(str2) + 1);
strcpy(res_str, str1);
strcat(res_str, str2);
free(str1);
free(str2);
return res_str;
}
/*
* Concatenate 3 strings, with no space between
*
* The input strings are freed.
*/
char *
make3_str(char *str1, char *str2, char *str3)
{
char *res_str = (char *) mm_alloc(strlen(str1) + strlen(str2) + strlen(str3) + 1);
strcpy(res_str, str1);
strcat(res_str, str2);
strcat(res_str, str3);
free(str1);
free(str2);
free(str3);
return res_str;
}
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