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Repeatedly calling a run-time function like strlen() on an
invariant value is inefficient, especially if that value can be
computed once (at initialization) or better yet, computed at
compile-time.
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
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Better safe than sorry and while at it prefer use of PRId16 and PRId32
formatting constants as well.
Reviewed-by: Jo-Philipp Wich <jo@mein.io>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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libjson-c json_type_int values are stored as int64_t. Use
json_object_get_int64() instead of json_object_get_int()
to avoid clamping to INT32_MAX.
Reviewed-by: Jo-Philipp Wich <jo@mein.io>
Signed-off-by: Dainis Jonitis <dainis.jonitis@ubnt.com>
[fixed author to match SoB, added unit test results]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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int16 blobmsg type is currently being serialized as uint16_t due to
missing cast during JSON output.
Following blobmsg content:
bar-min: -32768 (i16)
bar-max: 32767 (i16)
Produces following JSON:
{ "bar-min":32768,"bar-max":32767 }
Whereas one would expect:
{ "bar-min":-32768,"bar-max":32767 }
Reviewed-by: Jo-Philipp Wich <jo@mein.io>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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clang-10 analyzer reports following:
blobmsg_json.c:285:2: warning: The expression is an uninitialized value. The computed value will also be garbage
s->indent_level++;
^~~~~~~~~~~~~~~~~
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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gcc-9 on x86/64 has reported following issues:
base64.c:173:17: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
base64.c:230:18: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
base64.c:238:18: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
base64.c:242:22: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
base64.c:252:18: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
base64.c:256:22: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
base64.c:266:18: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
base64.c:315:27: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
base64.c:329:15: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
blob.c:207:11: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
blob.c:210:11: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
blob.c:243:31: error: comparison of integer expressions of different signedness: ‘int’ and ‘unsigned int’ [-Werror=sign-compare]
blob.c:246:31: error: comparison of integer expressions of different signedness: ‘int’ and ‘unsigned int’ [-Werror=sign-compare]
blob.h:245:37: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
blob.h:253:37: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
blobmsg.h:269:37: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
blobmsg_json.c:155:10: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
examples/../blob.h:245:37: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
examples/../blobmsg.h:269:37: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
json_script.c:590:7: error: this statement may fall through [-Werror=implicit-fallthrough=]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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Resolves FS#2147
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
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This adds support for double floating point type to make it more JSON
compatible. For type checking it also adds a stub BLOB_ATTR_DOUBLE type.
If necessary, the accessor functions for blob can be added later
Signed-off-by: André Gaul <andre@gaul.io>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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The current blobmsg_format_json* functions will return invalid JSON when
the "list" argument is given as false (blobmsg_format_element() will
output the name of the blob_attr as if the value is printed as part of a
JSON object).
To avoid breaking software relying on this behaviour, introduce new
functions which will never print the blob_attr name and thus always
produce valid JSON.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Acked-by: Jo-Philipp Wich <jo@mein.io>
Signed-off-by: Felix Fietkau <nbd@nbd.name> [cosmetic style fix]
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Consistently handle allocation failures. Some functions are changed to
return bool or int instead of void to allow returning an error.
Also fix a buffer size miscalculation in lua/uloop and use _exit() instead
of exit() on errors after forking.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
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The hard-coded length limits are replaced with strlen to make the code more
robust.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
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We already serialize BLOBMSG_TYPE_UNSPEC as "null" so represent JSON null
values as blob attribute type unspec with payload size zero.
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
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header file
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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arrays
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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conversion
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Perkov)
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