mirror of https://github.com/OpenIPC/firmware.git
41 lines
1.0 KiB
Diff
41 lines
1.0 KiB
Diff
diff -drupN a/scripts/dtc/util.c b/scripts/dtc/util.c
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--- a/scripts/dtc/util.c 2018-08-06 17:23:04.000000000 +0300
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+++ b/scripts/dtc/util.c 2022-06-12 05:28:14.000000000 +0300
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@@ -46,6 +46,36 @@ char *xstrdup(const char *s)
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return d;
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}
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+/* based in part from (3) vsnprintf */
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+int xasprintf(char **strp, const char *fmt, ...)
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+{
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+ int n, size = 128; /* start with 128 bytes */
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+ char *p;
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+ va_list ap;
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+
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+ /* initial pointer is NULL making the fist realloc to be malloc */
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+ p = NULL;
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+ while (1) {
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+ p = xrealloc(p, size);
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+
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+ /* Try to print in the allocated space. */
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+ va_start(ap, fmt);
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+ n = vsnprintf(p, size, fmt, ap);
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+ va_end(ap);
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+
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+ /* If that worked, return the string. */
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+ if (n > -1 && n < size)
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+ break;
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+ /* Else try again with more space. */
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+ if (n > -1) /* glibc 2.1 */
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+ size = n + 1; /* precisely what is needed */
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+ else /* glibc 2.0 */
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+ size *= 2; /* twice the old size */
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+ }
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+ *strp = p;
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+ return strlen(p);
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+}
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+
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char *join_path(const char *path, const char *name)
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{
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int lenp = strlen(path);
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