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Make srcpos_{v,}error() more widely useful

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Allow them to take a prefix argument giving the general type of error,
which will be useful in future.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Gibson
2014-01-01 23:27:31 +11:00
parent 0c0bf8519a
commit 0e2d399225
3 changed files with 13 additions and 11 deletions
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12
srcpos.c
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@@ -290,27 +290,27 @@ srcpos_string(struct srcpos *pos)
return pos_str;
}
void
srcpos_verror(struct srcpos *pos, const char *fmt, va_list va)
void srcpos_verror(struct srcpos *pos, const char *prefix,
const char *fmt, va_list va)
{
char *srcstr;
srcstr = srcpos_string(pos);
fprintf(stderr, "Error: %s ", srcstr);
fprintf(stderr, "%s: %s ", prefix, srcstr);
vfprintf(stderr, fmt, va);
fprintf(stderr, "\n");
free(srcstr);
}
void
srcpos_error(struct srcpos *pos, const char *fmt, ...)
void srcpos_error(struct srcpos *pos, const char *prefix,
const char *fmt, ...)
{
va_list va;
va_start(va, fmt);
srcpos_verror(pos, fmt, va);
srcpos_verror(pos, prefix, fmt, va);
va_end(va);
}