72 lines
1.2 KiB
C
72 lines
1.2 KiB
C
// SPDX-FileCopyrightText: 2022-2024 Geoffrey D. Bennett <g@b4.vu>
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include "stringhelper.h"
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// return the first number found in the string
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int get_num_from_string(const char *s) {
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int num;
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while (*s) {
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if (isdigit(*s))
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break;
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s++;
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}
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if (!*s)
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return -1;
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if (!sscanf(s, "%d", &num))
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return 0;
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return num;
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}
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// return the first two numbers found in the string
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void get_two_num_from_string(const char *s, int *a, int *b) {
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*a = -1;
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*b = -1;
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while (*s) {
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if (isdigit(*s))
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break;
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s++;
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}
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if (!*s)
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return;
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if (!sscanf(s, "%d", a))
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return;
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while (*s) {
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if (!isdigit(*s))
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break;
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s++;
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}
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while (*s) {
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if (isdigit(*s))
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break;
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s++;
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}
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if (!sscanf(s, "%d", b))
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return;
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}
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// check if the given string ends with the given suffix
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int string_ends_with(const char *s, const char *suffix) {
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if (!s || !suffix)
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return 0;
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int s_len = strlen(s);
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int suffix_len = strlen(suffix);
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if (s_len < suffix_len)
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return 0;
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return strcmp(s + s_len - suffix_len, suffix) == 0;
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}
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