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core/exec-invoke: use strnpcpy() where appropriate (#39446)

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This commit is contained in:
Yu Watanabe
2025-10-26 09:43:14 +09:00
committed by GitHub
parent d08b2f2a06 a169a952b6
commit e772db52c3
2 changed files with 3 additions and 2 deletions
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2
src/basic/strxcpyx.c
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@@ -41,7 +41,7 @@ size_t strnpcpy_full(char **dest, size_t size, const char *src, size_t len, bool
if (ret_truncated)
*ret_truncated = truncated;
*dest[0] = '\0';
(*dest)[0] = '\0';
return size;
}

3
src/core/exec-invoke.c
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@@ -77,6 +77,7 @@
#include "stat-util.h"
#include "string-table.h"
#include "strv.h"
#include "strxcpyx.h"
#include "terminal-util.h"
#include "user-util.h"
#include "utmp-wtmp.h"
@@ -1504,7 +1505,7 @@ static void rename_process_from_path(const char *path) {
size_t len = strlen(buf);
char comm[TASK_COMM_LEN], *p = comm;
*p++ = '(';
p = mempcpy(p, buf + LESS_BY(len, (size_t) (TASK_COMM_LEN - 3)), MIN(len, (size_t) (TASK_COMM_LEN - 3)));
strnpcpy(&p, TASK_COMM_LEN - 2, buf, len); /* strnpcpy() accounts for NUL byte internally */
*p++ = ')';
*p = '\0';