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cfg_readline: really ignore empty lines

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Simplify cfg_readline and at the same time fix it so that it does
really ignore empty lines.

This fixes point 2-1 of Issue #210

Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
This commit is contained in:
Carlos Martín Nieto 2011-05-29 01:24:09 +02:00
parent a5f43b9536
commit f2abee47d8
1 changed files with 8 additions and 31 deletions
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39
src/config_file.c
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@ -483,15 +483,6 @@ static int cfg_peek(diskfile_backend *cfg, int flags)
return ret;
}
static const char *LINEBREAK_UNIX = "\\\n";
static const char *LINEBREAK_WIN32 = "\\\r\n";
static int is_linebreak(const char *pos)
{
return memcmp(pos - 1, LINEBREAK_UNIX, sizeof(LINEBREAK_UNIX)) == 0 ||
memcmp(pos - 2, LINEBREAK_WIN32, sizeof(LINEBREAK_WIN32)) == 0;
}
/*
* Read and consume a line, returning it in newly-allocated memory.
*/
@ -502,38 +493,24 @@ static char *cfg_readline(diskfile_backend *cfg)
int line_len;
line_src = cfg->reader.read_ptr;
/* Skip empty empty lines */
while (isspace(*line_src))
++line_src;
line_end = strchr(line_src, '\n');
/* no newline at EOF */
if (line_end == NULL)
line_end = strchr(line_src, 0);
else
while (is_linebreak(line_end))
line_end = strchr(line_end + 1, '\n');
line_len = line_end - line_src;
while (line_src < line_end && isspace(*line_src))
line_src++;
line = (char *)git__malloc((size_t)(line_end - line_src) + 1);
line = git__malloc(line_len + 1);
if (line == NULL)
return NULL;
line_len = 0;
while (line_src < line_end) {
if (memcmp(line_src, LINEBREAK_UNIX, sizeof(LINEBREAK_UNIX)) == 0) {
line_src += sizeof(LINEBREAK_UNIX);
continue;
}
if (memcmp(line_src, LINEBREAK_WIN32, sizeof(LINEBREAK_WIN32)) == 0) {
line_src += sizeof(LINEBREAK_WIN32);
continue;
}
line[line_len++] = *line_src++;
}
memcpy(line, line_src, line_len);
line[line_len] = '\0';