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36bf195890
This allows us to replace includes of cache.h with includes of the much smaller alloc.h in many places. It does mean that we also need to add includes of alloc.h in a number of C files. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
118 lines
2.3 KiB
C
118 lines
2.3 KiB
C
#include "git-compat-util.h"
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#include "alias.h"
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#include "alloc.h"
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#include "config.h"
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#include "gettext.h"
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#include "string-list.h"
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struct config_alias_data {
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const char *alias;
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char *v;
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struct string_list *list;
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};
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static int config_alias_cb(const char *key, const char *value, void *d)
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{
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struct config_alias_data *data = d;
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const char *p;
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if (!skip_prefix(key, "alias.", &p))
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return 0;
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if (data->alias) {
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if (!strcasecmp(p, data->alias))
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return git_config_string((const char **)&data->v,
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key, value);
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} else if (data->list) {
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string_list_append(data->list, p);
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}
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return 0;
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}
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char *alias_lookup(const char *alias)
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{
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struct config_alias_data data = { alias, NULL };
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read_early_config(config_alias_cb, &data);
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return data.v;
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}
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void list_aliases(struct string_list *list)
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{
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struct config_alias_data data = { NULL, NULL, list };
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read_early_config(config_alias_cb, &data);
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}
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#define SPLIT_CMDLINE_BAD_ENDING 1
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#define SPLIT_CMDLINE_UNCLOSED_QUOTE 2
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#define SPLIT_CMDLINE_ARGC_OVERFLOW 3
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static const char *split_cmdline_errors[] = {
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N_("cmdline ends with \\"),
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N_("unclosed quote"),
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N_("too many arguments"),
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};
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int split_cmdline(char *cmdline, const char ***argv)
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{
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size_t src, dst, count = 0, size = 16;
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char quoted = 0;
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ALLOC_ARRAY(*argv, size);
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/* split alias_string */
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(*argv)[count++] = cmdline;
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for (src = dst = 0; cmdline[src];) {
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char c = cmdline[src];
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if (!quoted && isspace(c)) {
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cmdline[dst++] = 0;
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while (cmdline[++src]
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&& isspace(cmdline[src]))
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; /* skip */
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ALLOC_GROW(*argv, count + 1, size);
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(*argv)[count++] = cmdline + dst;
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} else if (!quoted && (c == '\'' || c == '"')) {
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quoted = c;
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src++;
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} else if (c == quoted) {
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quoted = 0;
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src++;
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} else {
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if (c == '\\' && quoted != '\'') {
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src++;
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c = cmdline[src];
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if (!c) {
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FREE_AND_NULL(*argv);
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return -SPLIT_CMDLINE_BAD_ENDING;
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}
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}
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cmdline[dst++] = c;
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src++;
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}
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}
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cmdline[dst] = 0;
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if (quoted) {
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FREE_AND_NULL(*argv);
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return -SPLIT_CMDLINE_UNCLOSED_QUOTE;
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}
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if (count >= INT_MAX) {
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FREE_AND_NULL(*argv);
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return -SPLIT_CMDLINE_ARGC_OVERFLOW;
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}
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ALLOC_GROW(*argv, count + 1, size);
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(*argv)[count] = NULL;
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return count;
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}
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const char *split_cmdline_strerror(int split_cmdline_errno)
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{
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return split_cmdline_errors[-split_cmdline_errno - 1];
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}
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