add number.h (and adapt existing code)

This commit is contained in:
r4 2022-05-29 20:43:30 +02:00
parent 0627084381
commit 8e9ff3b108
2 changed files with 13 additions and 23 deletions

View File

@ -2,6 +2,7 @@
// SPDX license identifier: MIT // SPDX license identifier: MIT
#include <ds/error.h> #include <ds/error.h>
#include <ds/number.h>
void *error_reserved_for_error = NULL; void *error_reserved_for_error = NULL;
@ -20,37 +21,25 @@ void error_term() {
size_t error_to_string(char *buf, size_t size, Error e, bool destroy) { size_t error_to_string(char *buf, size_t size, Error e, bool destroy) {
size_t written = 0; size_t written = 0;
if (e.has_location) { if (e.has_location) {
size_t left = size > written ? size - written : 0; written += snprintf(buf + written, sub_clamped(size, written), "%s:%zu: ", e.file, e.line);
written += snprintf(buf + written, left, "%s:%zu: ", e.file, e.line);
} }
switch (e.kind) { switch (e.kind) {
case ErrorNone: { case ErrorNone:
size_t left = size > written ? size - written : 0; written += snprintf(buf + written, sub_clamped(size, written), "Success");
written += snprintf(buf + written, left, "Success");
}
break; break;
case ErrorOutOfMemory: { case ErrorOutOfMemory:
size_t left = size > written ? size - written : 0; written += snprintf(buf + written, sub_clamped(size, written), "Out of memory");
written += snprintf(buf + written, left, "Out of memory");
}
break; break;
case ErrorString: { case ErrorString: {
size_t left = size > written ? size - written : 0; written += snprintf(buf + written, sub_clamped(size, written), "%s", e.str);
written += snprintf(buf + written, left, "%s", e.str);
if (e.str_on_heap && destroy) if (e.str_on_heap && destroy)
free(e.str); free(e.str);
} }
break; break;
} }
if (e.has_annex) { if (e.has_annex) {
{ written += snprintf(buf + written, sub_clamped(size, written), ": ");
size_t left = size > written ? size - written : 0; written += error_to_string(buf + written, sub_clamped(size, written), *e.annex, destroy);
written += snprintf(buf + written, left, ": ");
}
{
size_t left = size > written ? size - written : 0;
written += error_to_string(buf + written, left, *e.annex, destroy);
}
if (destroy) if (destroy)
free(e.annex); free(e.annex);
} }

View File

@ -4,6 +4,7 @@
#define GENERIC_IMPL_STATIC #define GENERIC_IMPL_STATIC
#include <ds/fmt.h> #include <ds/fmt.h>
#include <ds/number.h>
#include <ds/types.h> #include <ds/types.h>
#include <stdio.h> #include <stdio.h>
@ -531,7 +532,7 @@ size_t _fmtsv(const char *restrict file, size_t line, char *restrict buf, size_t
}; };
_fmtcv(file, line, &ctx, format, args); _fmtcv(file, line, &ctx, format, args);
if (size > 0) if (size > 0)
buf[ctxs.written < size - 1 ? ctxs.written : size - 1] = 0; buf[min(ctxs.written, size - 1)] = 0;
return ctxs.written; return ctxs.written;
} }