diff options
Diffstat (limited to 'flashrom.c')
| -rw-r--r-- | flashrom.c | 77 |
1 files changed, 42 insertions, 35 deletions
@@ -434,6 +434,7 @@ int register_shutdown(void (*function) (void *data), void *data) int programmer_init(char *param) { + int ret; /* Initialize all programmer specific data. */ /* Default to unlimited decode sizes. */ max_rom_decode = (const struct decode_sizes) { @@ -456,7 +457,13 @@ int programmer_init(char *param) programmer_param = param; msg_pdbg("Initializing %s programmer\n", programmer_table[programmer].name); - return programmer_table[programmer].init(); + ret = programmer_table[programmer].init(); + if (programmer_param && strlen(programmer_param)) { + msg_perr("Unhandled programmer parameters: %s\n", + programmer_param); + /* Do not error out here, the init itself was successful. */ + } + return ret; } int programmer_shutdown(void) @@ -564,22 +571,24 @@ int bitcount(unsigned long a) char *strcat_realloc(char *dest, const char *src) { dest = realloc(dest, strlen(dest) + strlen(src) + 1); - if (!dest) + if (!dest) { + msg_gerr("Out of memory!\n"); return NULL; + } strcat(dest, src); return dest; } /* This is a somewhat hacked function similar in some ways to strtok(). - * It will look for needle in haystack, return a copy of needle and remove - * everything from the first occurrence of needle to the next delimiter - * from haystack. + * It will look for needle with a subsequent '=' in haystack, return a copy of + * needle and remove everything from the first occurrence of needle to the next + * delimiter from haystack. */ char *extract_param(char **haystack, char *needle, char *delim) { - char *param_pos, *rest, *tmp; - char *dev = NULL; - int devlen; + char *param_pos, *opt_pos, *rest; + char *opt = NULL; + int optlen; int needlelen; needlelen = strlen(needle); @@ -595,43 +604,41 @@ char *extract_param(char **haystack, char *needle, char *delim) do { if (!param_pos) return NULL; - /* Beginning of the string? */ - if (param_pos == *haystack) - break; - /* After a delimiter? */ - if (strchr(delim, *(param_pos - 1))) - break; + /* Needle followed by '='? */ + if (param_pos[needlelen] == '=') { + + /* Beginning of the string? */ + if (param_pos == *haystack) + break; + /* After a delimiter? */ + if (strchr(delim, *(param_pos - 1))) + break; + } /* Continue searching. */ param_pos++; param_pos = strstr(param_pos, needle); } while (1); - + if (param_pos) { - param_pos += strlen(needle); - devlen = strcspn(param_pos, delim); - if (devlen) { - dev = malloc(devlen + 1); - if (!dev) { - msg_gerr("Out of memory!\n"); - exit(1); - } - strncpy(dev, param_pos, devlen); - dev[devlen] = '\0'; - } - rest = param_pos + devlen; - rest += strspn(rest, delim); - param_pos -= strlen(needle); - memmove(param_pos, rest, strlen(rest) + 1); - tmp = realloc(*haystack, strlen(*haystack) + 1); - if (!tmp) { + /* Get the string after needle and '='. */ + opt_pos = param_pos + needlelen + 1; + optlen = strcspn(opt_pos, delim); + /* Return an empty string if the parameter was empty. */ + opt = malloc(optlen + 1); + if (!opt) { msg_gerr("Out of memory!\n"); exit(1); } - *haystack = tmp; + strncpy(opt, opt_pos, optlen); + opt[optlen] = '\0'; + rest = opt_pos + optlen; + /* Skip all delimiters after the current parameter. */ + rest += strspn(rest, delim); + memmove(param_pos, rest, strlen(rest) + 1); + /* We could shrink haystack, but the effort is not worth it. */ } - - return dev; + return opt; } /* start is an offset to the base address of the flash chip */ |
