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| author | Simon Glass <sjg@chromium.org> | 2015-06-23 15:39:08 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-07-21 17:39:28 -0600 |
| commit | c4af6732c4021ffe8b3d0c82bdcf1eebb263bfc3 (patch) | |
| tree | b34c0808db76437623e8c1f887ea24d36df91d59 /lib/fdtdec.c | |
| parent | 1acab96d974a1b9f35cbc901f68ef00653d18738 (diff) | |
| download | u-boot-imx-c4af6732c4021ffe8b3d0c82bdcf1eebb263bfc3.zip u-boot-imx-c4af6732c4021ffe8b3d0c82bdcf1eebb263bfc3.tar.gz u-boot-imx-c4af6732c4021ffe8b3d0c82bdcf1eebb263bfc3.tar.bz2 | |
lib: Add function to extract a number from the end of a string
Split out the code in fdtdec which finds a number at the end of a string. It
can be useful in other situations.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib/fdtdec.c')
| -rw-r--r-- | lib/fdtdec.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 9c6b361..f6c2b19 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -505,8 +505,7 @@ int fdtdec_get_alias_seq(const void *blob, const char *base, int offset, const char *prop; const char *name; const char *slash; - const char *p; - int len; + int len, val; prop = fdt_getprop_by_offset(blob, prop_offset, &name, &len); debug(" - %s, %s\n", name, prop); @@ -517,12 +516,11 @@ int fdtdec_get_alias_seq(const void *blob, const char *base, int offset, slash = strrchr(prop, '/'); if (strcmp(slash + 1, find_name)) continue; - for (p = name + strlen(name) - 1; p > name; p--) { - if (!isdigit(*p)) { - *seqp = simple_strtoul(p + 1, NULL, 10); - debug("Found seq %d\n", *seqp); - return 0; - } + val = trailing_strtol(name); + if (val != -1) { + *seqp = val; + debug("Found seq %d\n", *seqp); + return 0; } } |