Function find_line_value

src/pipeline/pass_pkgmap.c:196–217

Find a line starting with a prefix in source. Returns pointer to first char * after prefix, or NULL. Handles leading whitespace. */

/* Find a line starting with a prefix in source. Returns pointer to first char
 * after prefix, or NULL. Handles leading whitespace. */
static const char *find_line_value(const char *src, int src_len, const char *prefix) {
    size_t plen = strlen(prefix);
    const char *p = src;
    const char *end = src + src_len;
    while (p < end) {
        /* Skip leading whitespace */
        while (p < end && (*p == ' ' || *p == '\t')) {
            p++;
        }
        if (p + plen <= end && memcmp(p, prefix, plen) == 0) {
            return p + plen;
        }
        /* Skip to next line */
        while (p < end && *p != '\n') {
            p++;
        }
        if (p < end) {
            p++; /* skip \n */
        }
    }
    return NULL;
}

/* Extract a quoted string value from position. Handles both "..." and '...'
 * Returns heap-allocated string, or NULL. */