b32fa95fd8
Each of these cases can be converted to use ALLOC_ARRAY or
REALLOC_ARRAY, which has two advantages:
1. It automatically checks the array-size multiplication
for overflow.
2. It always uses sizeof(*array) for the element-size,
so that it can never go out of sync with the declared
type of the array.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
#include "cache.h"
|
|
|
|
char *alias_lookup(const char *alias)
|
|
{
|
|
char *v = NULL;
|
|
struct strbuf key = STRBUF_INIT;
|
|
strbuf_addf(&key, "alias.%s", alias);
|
|
if (git_config_key_is_valid(key.buf))
|
|
git_config_get_string(key.buf, &v);
|
|
strbuf_release(&key);
|
|
return v;
|
|
}
|
|
|
|
#define SPLIT_CMDLINE_BAD_ENDING 1
|
|
#define SPLIT_CMDLINE_UNCLOSED_QUOTE 2
|
|
static const char *split_cmdline_errors[] = {
|
|
"cmdline ends with \\",
|
|
"unclosed quote"
|
|
};
|
|
|
|
int split_cmdline(char *cmdline, const char ***argv)
|
|
{
|
|
int src, dst, count = 0, size = 16;
|
|
char quoted = 0;
|
|
|
|
ALLOC_ARRAY(*argv, size);
|
|
|
|
/* split alias_string */
|
|
(*argv)[count++] = cmdline;
|
|
for (src = dst = 0; cmdline[src];) {
|
|
char c = cmdline[src];
|
|
if (!quoted && isspace(c)) {
|
|
cmdline[dst++] = 0;
|
|
while (cmdline[++src]
|
|
&& isspace(cmdline[src]))
|
|
; /* skip */
|
|
ALLOC_GROW(*argv, count + 1, size);
|
|
(*argv)[count++] = cmdline + dst;
|
|
} else if (!quoted && (c == '\'' || c == '"')) {
|
|
quoted = c;
|
|
src++;
|
|
} else if (c == quoted) {
|
|
quoted = 0;
|
|
src++;
|
|
} else {
|
|
if (c == '\\' && quoted != '\'') {
|
|
src++;
|
|
c = cmdline[src];
|
|
if (!c) {
|
|
free(*argv);
|
|
*argv = NULL;
|
|
return -SPLIT_CMDLINE_BAD_ENDING;
|
|
}
|
|
}
|
|
cmdline[dst++] = c;
|
|
src++;
|
|
}
|
|
}
|
|
|
|
cmdline[dst] = 0;
|
|
|
|
if (quoted) {
|
|
free(*argv);
|
|
*argv = NULL;
|
|
return -SPLIT_CMDLINE_UNCLOSED_QUOTE;
|
|
}
|
|
|
|
ALLOC_GROW(*argv, count + 1, size);
|
|
(*argv)[count] = NULL;
|
|
|
|
return count;
|
|
}
|
|
|
|
const char *split_cmdline_strerror(int split_cmdline_errno)
|
|
{
|
|
return split_cmdline_errors[-split_cmdline_errno - 1];
|
|
}
|