alias.c

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#include "cache.h"

static const char *alias_key;
static char *alias_val;

static int alias_lookup_cb(const char *k, const char *v,
               void *cb __maybe_unused)
{
    if (!prefixcmp(k, "alias.") && !strcmp(k+6, alias_key)) {
        if (!v)
            return config_error_nonbool(k);
        alias_val = strdup(v);
        return 0;
    }
    return 0;
}

char *alias_lookup(const char *alias)
{
    alias_key = alias;
    alias_val = NULL;
    perf_config(alias_lookup_cb, NULL);
    return alias_val;
}

int split_cmdline(char *cmdline, const char ***argv)
{
    int src, dst, count = 0, size = 16;
    char quoted = 0;

    *argv = malloc(sizeof(char*) * 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 */
            if (count >= size) {
                size += 16;
                *argv = realloc(*argv, sizeof(char*) * 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 error("cmdline ends with \\");
                }
            }
            cmdline[dst++] = c;
            src++;
        }
    }

    cmdline[dst] = 0;

    if (quoted) {
        free(*argv);
        *argv = NULL;
        return error("unclosed quote");
    }

    return count;
}