| Directory: | src/ |
|---|---|
| File: | src/string.c |
| Date: | 2024-04-25 03:45:42 |
| Exec | Total | Coverage | |
|---|---|---|---|
| Lines: | 6 | 22 | 27.3% |
| Branches: | 3 | 16 | 18.8% |
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2023 Egor Tensin <egor@tensin.name> | ||
| 3 | * This file is part of the "cimple" project. | ||
| 4 | * For details, see https://github.com/egor-tensin/cimple. | ||
| 5 | * Distributed under the MIT License. | ||
| 6 | */ | ||
| 7 | |||
| 8 | #include "string.h" | ||
| 9 | #include "log.h" | ||
| 10 | |||
| 11 | #include <errno.h> | ||
| 12 | #include <stdlib.h> | ||
| 13 | #include <string.h> | ||
| 14 | |||
| 15 | /* glibc calls this stpecpy; it's not provided by glibc; however, it does | ||
| 16 | * provide a possible implementation in string_copying(7), which I copied from. */ | ||
| 17 | 305444 | char *string_append(char *dst, char *end, const char *src) | |
| 18 | { | ||
| 19 |
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305444 | if (!dst) |
| 20 | ✗ | return NULL; | |
| 21 |
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305444 | if (dst == end) |
| 22 | ✗ | return end; | |
| 23 | |||
| 24 | 305444 | char *p = memccpy(dst, src, '\0', end - dst); | |
| 25 |
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305444 | if (p) |
| 26 | 305444 | return p - 1; | |
| 27 | |||
| 28 | ✗ | end[-1] = '\0'; | |
| 29 | ✗ | return end; | |
| 30 | } | ||
| 31 | |||
| 32 | ✗ | int string_to_int(const char *src, int *result) | |
| 33 | { | ||
| 34 | ✗ | char *endptr = NULL; | |
| 35 | |||
| 36 | ✗ | errno = 0; | |
| 37 | ✗ | long ret = strtol(src, &endptr, 10); | |
| 38 | |||
| 39 | ✗ | if (errno) { | |
| 40 | ✗ | log_errno("strtol"); | |
| 41 | ✗ | return -1; | |
| 42 | } | ||
| 43 | |||
| 44 | ✗ | if (endptr == src || *endptr != '\0') { | |
| 45 | ✗ | log_err("Invalid number: %s\n", src); | |
| 46 | ✗ | return -1; | |
| 47 | } | ||
| 48 | |||
| 49 | ✗ | *result = (int)ret; | |
| 50 | ✗ | return 0; | |
| 51 | } | ||
| 52 |