mirror of https://github.com/thesofproject/sof.git
108 lines
2.1 KiB
C
108 lines
2.1 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright(c) 2020 Intel Corporation. All rights reserved.
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*
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* Author: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
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*/
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#include "convert.h"
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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char *vasprintf(const char *format, va_list args)
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{
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va_list args_copy;
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int size;
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char localbuf[1];
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char *result;
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va_copy(args_copy, args);
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size = vsnprintf(localbuf, 1, format, args_copy);
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va_end(args_copy);
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result = malloc(size + 1);
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if (result)
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vsnprintf(result, size + 1, format, args);
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return result;
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}
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char *asprintf(const char *format, ...)
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{
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va_list args;
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char *result;
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va_start(args, format);
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result = vasprintf(format, args);
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va_end(args);
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return result;
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}
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extern struct convert_config *global_config;
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/** Prints 1. once to stderr. 2. a second time to the global out_fd if
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* out_fd is neither stderr nor stdout (because the -o option was used).
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*/
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void log_err(const char *fmt, ...)
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{
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FILE *out_fd = global_config ? global_config->out_fd : NULL;
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static const char prefix[] = "error: ";
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ssize_t needed_size;
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va_list args, args_alloc;
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char *buff;
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va_start(args, fmt);
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/* Print into buff first, then outputs buff twice */
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va_copy(args_alloc, args);
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needed_size = vsnprintf(NULL, 0, fmt, args_alloc) + 1;
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buff = malloc(needed_size);
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va_end(args_alloc);
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if (buff) {
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vsprintf(buff, fmt, args);
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fprintf(stderr, "%s%s", prefix, buff);
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/* take care about out_fd validity and duplicated logging */
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if (out_fd && out_fd != stderr && out_fd != stdout) {
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fprintf(out_fd, "%s%s", prefix, buff);
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fflush(out_fd);
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}
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free(buff);
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} else {
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fprintf(stderr, "%s", prefix);
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vfprintf(stderr, fmt, args);
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}
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va_end(args);
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}
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/* trim whitespaces from string begin */
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char *ltrim(char *s)
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{
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while (isspace(*s))
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s++;
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return s;
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}
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/* trim whitespaces from string end */
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char *rtrim(char *s)
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{
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char *ptr = s + strlen(s) - 1;
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while (ptr >= s && isspace(*ptr)) {
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*ptr = '\0';
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--ptr;
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}
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return s;
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}
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/* trim whitespaces from string begin and end*/
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char *trim(char *s)
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{
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return ltrim(rtrim(s));
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}
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