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Pacify clang -Wunused-result

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Problem reported by badli al rashid (bug#80512).
* lib-src/make-docfile.c (scan_c_stream): Avoid a tricky ungetc+getc.
This commit is contained in:
Paul Eggert 2026-03-01 11:29:31 -08:00
parent 381eb4985b
commit 6e8dd0f898
1 changed files with 5 additions and 10 deletions
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15
lib-src/make-docfile.c
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@ -387,8 +387,9 @@ scan_keyword_or_put_char (char ch, struct rcsoc_state *state)
/* Skip a C string or C-style comment from INFILE, and return the
byte that follows, or EOF. COMMENT means skip a comment. If
PRINTFLAG is positive, output string contents to stdout. If it is
byte that follows, or EOF. COMMENT means skip a comment.
Leading '"' or '/','*' have already been read.
If PRINTFLAG is positive, output string contents to stdout. If it is
negative, store contents in buf. Convert escape sequences \n and
\t to newline and tab; discard \ followed by newline.
If SAW_USAGE is non-null, then any occurrences of the string "usage:"
@ -1160,19 +1161,13 @@ scan_c_stream (FILE *infile)
}
}
if (c == '"'
|| (c == '/'
&& (c = getc (infile),
ungetc (c, infile),
c == '*')))
bool comment = c == '/' && (c = getc (infile)) == '*';
if (comment || c == '"')
{
bool comment = c != '"';
bool saw_usage;
printf ("\037%c%s\n", defvarflag ? 'V' : 'F', input_buffer);
if (comment)
getc (infile); /* Skip past `*'. */
c = read_c_string_or_comment (infile, 1, comment, &saw_usage);
/* If this is a defun, find the arguments and print them. If