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Merge branch 'jc/c99-var-decl-in-for-loop' 

Weather balloon to find compilers that do not grok variable
declaration in the for() loop.

* jc/c99-var-decl-in-for-loop:
  revision: use C99 declaration of variable in for() loop
This commit is contained in:
Junio C Hamano 2021-12-21 15:03:15 -08:00
parent a0f5ca94dd 44ba10d671
commit 5a4069a1d8
2 changed files with 9 additions and 3 deletions
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1
Makefile
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@ -1206,6 +1206,7 @@ endif
# Set CFLAGS, LDFLAGS and other *FLAGS variables. These might be
# tweaked by config.* below as well as the command-line, both of
# which'll override these defaults.
# Older versions of GCC may require adding "-std=gnu99" at the end.
CFLAGS = -g -O2 -Wall
LDFLAGS =
CC_LD_DYNPATH = -Wl,-rpath,

11
revision.c
View File

@ -44,10 +44,15 @@ static inline int want_ancestry(const struct rev_info *revs);
void show_object_with_name(FILE *out, struct object *obj, const char *name)
{
const char *p;
fprintf(out, "%s ", oid_to_hex(&obj->oid));
for (p = name; *p && *p != '\n'; p++)
/*
* This "for (const char *p = ..." is made as a first step towards
* making use of such declarations elsewhere in our codebase. If
* it causes compilation problems on your platform, please report
* it to the Git mailing list at git@vger.kernel.org. In the meantime,
* adding -std=gnu99 to CFLAGS may help if you are with older GCC.
*/
for (const char *p = name; *p && *p != '\n'; p++)
fputc(*p, out);
fputc('\n', out);
}