From 025c439e829e0db9ac511cd9c1b8d5fd53475ead Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 15:14:46 +0200 Subject: Adding upstream version 1.9.15p5. Signed-off-by: Daniel Baumann --- plugins/python/regress/iohelpers.c | 182 +++++++++++++++++++++++++++++++++++++ 1 file changed, 182 insertions(+) create mode 100644 plugins/python/regress/iohelpers.c (limited to 'plugins/python/regress/iohelpers.c') diff --git a/plugins/python/regress/iohelpers.c b/plugins/python/regress/iohelpers.c new file mode 100644 index 0000000..7b85814 --- /dev/null +++ b/plugins/python/regress/iohelpers.c @@ -0,0 +1,182 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Robert Manner + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include "iohelpers.h" +#include + +int +rmdir_recursive(const char *path) +{ + char *cmd = NULL; + int success = false; + + if (asprintf(&cmd, "rm -rf \"%s\"", path) < 0) + return false; + + if (system(cmd) == 0) + success = true; + + free(cmd); + + return success; +} + +int +fwriteall(const char *file_path, const char *string) +{ + int success = false; + + FILE *file = fopen(file_path, "w+"); + if (file == NULL) + goto cleanup; + + size_t size = strlen(string); + if (fwrite(string, 1, size, file) < size) { + goto cleanup; + } + + success = true; + +cleanup: + if (file) + fclose(file); + + return success; +} + +int +freadall(const char *file_path, char *output, size_t max_len) +{ + int rc = false; + FILE *file = fopen(file_path, "rb"); + if (file == NULL) { + sudo_warn_nodebug("failed to open file '%s'", file_path); + goto cleanup; + } + + size_t len = fread(output, 1, max_len - 1, file); + output[len] = '\0'; + + if (ferror(file) != 0) { + sudo_warn_nodebug("failed to read file '%s'", file_path); + goto cleanup; + } + + if (!feof(file)) { + sudo_warn_nodebug("file '%s' was bigger than allocated buffer %zu", + file_path, max_len); + goto cleanup; + } + + rc = true; + +cleanup: + if (file) + fclose(file); + + return rc; +} + +int +vsnprintf_append(char * restrict output, size_t max_output_len, const char * restrict fmt, va_list args) +{ + va_list args2; + va_copy(args2, args); + + size_t output_len = strlen(output); + int rc = vsnprintf(output + output_len, max_output_len - output_len, fmt, args2); + + va_end(args2); + return rc; +} + +int +snprintf_append(char * restrict output, size_t max_output_len, const char * restrict fmt, ...) +{ + va_list args; + va_start(args, fmt); + int rc = vsnprintf_append(output, max_output_len, fmt, args); + va_end(args); + return rc; +} + +int +str_array_count(char **str_array) +{ + int result = 0; + for (; str_array[result] != NULL; ++result) {} + return result; +} + +void +str_array_snprint(char *out_str, size_t max_len, char **str_array, int array_len) +{ + if (array_len < 0) + array_len = str_array_count(str_array); + + for (int pos = 0; pos < array_len; ++pos) { + snprintf_append(out_str, max_len, "%s%s", pos > 0 ? ", " : "", str_array[pos]); + } +} + +char * +str_replaced(const char *source, size_t dest_len, const char *old, const char *new) +{ + char *result = malloc(dest_len); + char *dest = result; + char *pos = NULL; + size_t old_len = strlen(old); + + if (result == NULL) + return NULL; + + while ((pos = strstr(source, old)) != NULL) { + size_t len = (size_t)snprintf(dest, dest_len, + "%.*s%s", (int)(pos - source), source, new); + if (len >= dest_len) + goto fail; + + dest_len -= len; + dest += len; + source = pos + old_len; + } + + if (strlcpy(dest, source, dest_len) >= dest_len) + goto fail; + + return result; + +fail: + free(result); + return strdup("str_replace_all failed, string too long"); +} + +void +str_replace_in_place(char *string, size_t max_length, const char *old, const char *new) +{ + char *replaced = str_replaced(string, max_length, old, new); + if (replaced != NULL) { + strlcpy(string, replaced, max_length); + free(replaced); + } +} -- cgit v1.2.3