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Add more path utility functions

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This commit is contained in:
Rodrigo Arias 2024-09-09 16:40:33 +02:00
parent eceec52194
commit add2c5638a
2 changed files with 49 additions and 1 deletions
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44
src/emu/path.c
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@ -112,3 +112,47 @@ path_filename(const char *path)
return start;
}
int
path_append(char dst[PATH_MAX], const char *src, const char *extra)
{
if (snprintf(dst, PATH_MAX, "%s/%s", src, extra) >= PATH_MAX) {
err("path too long: %s/%s", src, extra);
return -1;
}
return 0;
}
/** Copy the path src into dst. */
int
path_copy(char dst[PATH_MAX], const char *src)
{
if (snprintf(dst, PATH_MAX, "%s", src) >= PATH_MAX) {
err("path too long: %s", src);
return -1;
}
return 0;
}
/** Strip last component from path */
void
path_dirname(char path[PATH_MAX])
{
path_remove_trailing(path);
int n = (int) strlen(path);
int i;
for (i = n - 1; i >= 0; i--) {
if (path[i] == '/') {
break;
}
}
/* Remove all '/' */
for (; i >= 0; i--) {
if (path[i] != '/')
break;
else
path[i] = '\0';
}
}

6
src/emu/path.h
View File

@ -1,9 +1,10 @@
/* Copyright (c) 2021-2023 Barcelona Supercomputing Center (BSC)
/* Copyright (c) 2021-2024 Barcelona Supercomputing Center (BSC)
* SPDX-License-Identifier: GPL-3.0-or-later */
#ifndef PATH_H
#define PATH_H
#include <limits.h>
#include "common.h"
USE_RET int path_has_prefix(const char *path, const char *prefix);
@ -13,5 +14,8 @@ USE_RET int path_keep(char *path, int n);
USE_RET int path_strip(const char *path, int n, const char (**next));
void path_remove_trailing(char *path);
USE_RET const char *path_filename(const char *path);
USE_RET int path_append(char dst[PATH_MAX], const char *src, const char *extra);
USE_RET int path_copy(char dst[PATH_MAX], const char *src);
void path_dirname(char path[PATH_MAX]);
#endif /* PATH_H */