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53 lines
1.1 KiB
53 lines
1.1 KiB
// Copyright 2022 Takeshi Ishii (@mtei)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "pseudo_sprintf.h"
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static char *sprint_decimal(char *buf, int data) {
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if (data > 9) {
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buf = sprint_decimal(buf, data/10);
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}
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*buf++ = "0123456789"[data%10];
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*buf = '\0';
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return buf;
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}
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static char *sprint_hex(char *buf, uint32_t data) {
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if (data > 0xf) {
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buf = sprint_hex(buf, data/0x10);
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}
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*buf++ = "0123456789abcdef"[data & 0xf];
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*buf = '\0';
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return buf;
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}
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char *sprints(char *buf, char *src) {
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while (*src) {
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*buf++ = *src++;
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}
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*buf = '\0';
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return buf;
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}
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char *sprintx(char *buf, char *leadstr, uint32_t data) {
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buf = sprints(buf, leadstr);
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buf = sprint_hex(buf, data);
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return buf;
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}
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char *sprintd(char *buf, char *leadstr, int data) {
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buf = sprints(buf, leadstr);
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buf = sprint_decimal(buf, data);
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return buf;
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}
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char *sprint2d(char *buf, char *leadstr, int data) {
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buf = sprints(buf, leadstr);
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if (data > 99) {
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return sprint_decimal(buf, data);
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}
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if (data < 10) {
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*buf++ = ' ';
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}
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return sprint_decimal(buf, data);
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}
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