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authorRob Herring <robh@kernel.org>2018-11-28 18:37:35 -0600
committerRob Herring <robh@kernel.org>2018-11-28 18:37:35 -0600
commitc2e7075ca83036317cee4a564729eb82a5433169 (patch)
tree3172d34d5620eaa9066c0934410b4eeb33d37269 /scripts/dtc/util.c
parentof: Use device_type helpers to access the node type (diff)
downloadlinux-dev-c2e7075ca83036317cee4a564729eb82a5433169.tar.xz
linux-dev-c2e7075ca83036317cee4a564729eb82a5433169.zip
scripts/dtc: Update to upstream version v1.4.7-57-gf267e674d145
This adds the following commits from upstream: f267e674d145 checks: Fix crash with multiple source annotations 3616b9a811b6 checks: Use source position information for check failures 2bdbd07a1223 checks: Make each message output atomic a1eff70c02cf util: Add xa{v}sprintf_append functions 82a52ce4573b libfdt: Add a test for fdt_getprop_by_offset() 607b8586b383 PEP8 / Flake8 cleanups for setup.py f9c0a425b648 Remove broken objdir / srcdir support 5182b5e6f28c pylibfdt: Use common PREFIX variable d45bf1f5f2a6 Refine make tests_clean target 99284c4db9cb Refine pylibfdt_clean target a4629cfaedfb Refine libfdt_clean target 08380fc43aa2 tests: Use modern octal literals for Python 8113c00b99d3 pylibfdt: Allow switch to Python 3 via environment variable PYTHON 11738cf01f15 libfdt: Don't use memcpy to handle unaligned reads on ARM 86a288a73670 checks: Restructure check_msg to decrease indentation 5667e7ef9a9a annotations: add the annotation functionality 8e20ccf52f90 annotations: add positions ca930e20bb54 tests: Don't lose errors from make checkm 43366bb4eeee tests: Property count valgrind errors in wrapped tests 5062516fb8cb srcpos: Remove srcpos_empty a3143fafbf83 Revert "annotations: add positions" 403cc79f06a1 checks: Update SPI bus check for 'spi-slave' baa1d2cf7894 annotations: add positions ff2ad38f6a5a Merge remote-tracking branch 'origin/pr/18' aa7254d9cb17 libfdt: return correct value if #size-cells property is not present 49903aed7783 use ptrdiff_t modifier for printing pointer differences da2b691ccf68 treesource: Fix dts output for phandles in middle of a sequence of ints 8f8b77a0d62d tests: Wrap check_align() calls with base_run_test() 522d81d572f2 Fix dts output with a REF_PATH marker e45198c98359 Added test cases for target references 0fcffda15e9f Merge nodes with local target label references 1e4a0928f3b3 pylibfdt: Don't have setup.py depend on where it's invoked from ca399b14956f pylibfdt: Eliminate run_setup make function 98972f1b3e33 pylibfdt: Improved version extraction 7ba2be6cda5f pylibfdt: Don't silence setup.py when V=1 7691f9d39301 pylibfdt: Make SETUP make variable 855b9963def9 pylibfdt: Simpler CFLAGS handling 47cafbeeb977 pylibfdt: Link extension module with libfdt rather than rebuilding dd695d6afb19 pylibfdt: Correctly set build output directory 59327523d0d8 pylibfdt: We don't need include files from the base directory e84742aa7b93 checks: fix simple-bus compatible matching 8c59a97ce096 Fix missing labels when emitting dts format d448f9a5fd94 Revert dts output formatting changes of spaces around brackets Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'scripts/dtc/util.c')
-rw-r--r--scripts/dtc/util.c60
1 files changed, 39 insertions, 21 deletions
diff --git a/scripts/dtc/util.c b/scripts/dtc/util.c
index a69b7a13463d..9c6fb5f286ae 100644
--- a/scripts/dtc/util.c
+++ b/scripts/dtc/util.c
@@ -46,36 +46,54 @@ char *xstrdup(const char *s)
return d;
}
-/* based in part from (3) vsnprintf */
-int xasprintf(char **strp, const char *fmt, ...)
+int xavsprintf_append(char **strp, const char *fmt, va_list ap)
{
- int n, size = 128; /* start with 128 bytes */
+ int n, size = 0; /* start with 128 bytes */
char *p;
- va_list ap;
+ va_list ap_copy;
- /* initial pointer is NULL making the fist realloc to be malloc */
- p = NULL;
- while (1) {
- p = xrealloc(p, size);
+ p = *strp;
+ if (p)
+ size = strlen(p);
- /* Try to print in the allocated space. */
- va_start(ap, fmt);
- n = vsnprintf(p, size, fmt, ap);
- va_end(ap);
+ va_copy(ap_copy, ap);
+ n = vsnprintf(NULL, 0, fmt, ap_copy) + 1;
+ va_end(ap_copy);
+
+ p = xrealloc(p, size + n);
+
+ n = vsnprintf(p + size, n, fmt, ap);
- /* If that worked, return the string. */
- if (n > -1 && n < size)
- break;
- /* Else try again with more space. */
- if (n > -1) /* glibc 2.1 */
- size = n + 1; /* precisely what is needed */
- else /* glibc 2.0 */
- size *= 2; /* twice the old size */
- }
*strp = p;
return strlen(p);
}
+int xasprintf_append(char **strp, const char *fmt, ...)
+{
+ int n;
+ va_list ap;
+
+ va_start(ap, fmt);
+ n = xavsprintf_append(strp, fmt, ap);
+ va_end(ap);
+
+ return n;
+}
+
+int xasprintf(char **strp, const char *fmt, ...)
+{
+ int n;
+ va_list ap;
+
+ *strp = NULL;
+
+ va_start(ap, fmt);
+ n = xavsprintf_append(strp, fmt, ap);
+ va_end(ap);
+
+ return n;
+}
+
char *join_path(const char *path, const char *name)
{
int lenp = strlen(path);