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config: style for '\0' and NULL

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Use NULL for pointers instead of '0' (though hey are the same thing in
these cases). Ditto for using the zero character '\0' instead of a naked
0 (ditto).

Reviewed by:		markj@
Sponsored by:		Netflix
Differential Revision:	https://reviews.freebsd.org/D29847
This commit is contained in:
Warner Losh 2021-04-19 16:09:42 -06:00
parent 59690eab57
commit 2763a0928a
1 changed files with 9 additions and 9 deletions
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18
usr.sbin/config/mkmakefile.c
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@ -193,7 +193,7 @@ sanitize_envline(char *result, const char *src)
/* If there is no '=' it's not a well-formed name=value line. */
if ((eq = strchr(src, '=')) == NULL) {
*result = 0;
*result = '\0';
return;
}
dst = result;
@ -210,7 +210,7 @@ sanitize_envline(char *result, const char *src)
/* If it was all leading space, we don't have a well-formed line. */
if (leading) {
*result = 0;
*result = '\0';
return;
}
@ -221,7 +221,7 @@ sanitize_envline(char *result, const char *src)
/* Copy chars after the '=', skipping any leading whitespace. */
leading = true;
while ((c = *src++) != 0) {
while ((c = *src++) != '\0') {
if (leading && (isspace(c) || c == '"'))
continue;
*dst++ = c;
@ -230,7 +230,7 @@ sanitize_envline(char *result, const char *src)
/* If it was all leading space, it's a valid 'var=' (nil value). */
if (leading) {
*dst = 0;
*dst = '\0';
return;
}
@ -238,7 +238,7 @@ sanitize_envline(char *result, const char *src)
while (isspace(dst[-1]) || dst[-1] == '"')
--dst;
*dst = 0;
*dst = '\0';
}
/*
@ -444,10 +444,10 @@ read_file(char *fname)
compile = 0;
match = 1;
nreqs = 0;
compilewith = 0;
depends = 0;
clean = 0;
warning = 0;
compilewith = NULL;
depends = NULL;
clean = NULL;
warning = NULL;
std = 0;
imp_rule = 0;
no_ctfconvert = 0;