Merge pull request #7625 from thom311/th/const-strlen
Don't use strlen() to declare variable-length arrays
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commit
966c04cf01
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@ -368,7 +368,7 @@ bool fdname_is_valid(const char *s) {
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}
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int fd_get_path(int fd, char **ret) {
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char procfs_path[strlen("/proc/self/fd/") + DECIMAL_STR_MAX(int)];
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char procfs_path[STRLEN("/proc/self/fd/") + DECIMAL_STR_MAX(int)];
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int r;
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xsprintf(procfs_path, "/proc/self/fd/%i", fd);
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@ -144,6 +144,14 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
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!__builtin_types_compatible_p(typeof(x), typeof(&*(x))), \
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sizeof(x)/sizeof((x)[0]), \
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(void)0))
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/*
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* STRLEN - return the length of a string literal, minus the trailing NUL byte.
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* Contrary to strlen(), this is a constant expression.
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* @x: a string literal.
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*/
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#define STRLEN(x) (sizeof(""x"") - 1)
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/*
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* container_of - cast a member of a structure out to the containing structure
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* @ptr: the pointer to the member.
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@ -987,7 +987,7 @@ int dhcp_lease_save(sd_dhcp_lease *lease, const char *lease_file) {
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}
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LIST_FOREACH(options, option, lease->private_options) {
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char key[strlen("OPTION_000")+1];
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char key[STRLEN("OPTION_000")+1];
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xsprintf(key, "OPTION_%" PRIu8, option->tag);
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r = serialize_dhcp_option(f, key, option->data, option->length);
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