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author | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-01-14 02:56:53 +0000 |
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committer | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-01-14 02:56:53 +0000 |
commit | 609497ab3cf9ca65595ea78dbce253309bd11da3 (patch) | |
tree | cea581e657d54986755c1d6bd8771e85aff04410 /vl.c | |
parent | 5697ff6b88fc6236bb80ebb93efe7d3524c33fd8 (diff) | |
download | hqemu-609497ab3cf9ca65595ea78dbce253309bd11da3.zip hqemu-609497ab3cf9ca65595ea78dbce253309bd11da3.tar.gz |
Change -drive parsing so that paths don't have to be double-escaped (Laurent Vivier, Johannes Schindelin)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3909 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'vl.c')
-rw-r--r-- | vl.c | 108 |
1 files changed, 62 insertions, 46 deletions
@@ -231,7 +231,10 @@ unsigned int nb_prom_envs = 0; const char *prom_envs[MAX_PROM_ENVS]; #endif int nb_drives_opt; -char drives_opt[MAX_DRIVES][1024]; +struct drive_opt { + const char *file; + char opt[1024]; +} drives_opt[MAX_DRIVES]; static CPUState *cur_cpu; static CPUState *next_cpu; @@ -4581,24 +4584,33 @@ static int net_socket_mcast_init(VLANState *vlan, const char *host_str) } -static const char *get_word(char *buf, int buf_size, const char *p) +static const char *get_opt_name(char *buf, int buf_size, const char *p) +{ + char *q; + + q = buf; + while (*p != '\0' && *p != '=') { + if (q && (q - buf) < buf_size - 1) + *q++ = *p; + p++; + } + if (q) + *q = '\0'; + + return p; +} + +static const char *get_opt_value(char *buf, int buf_size, const char *p) { char *q; - int substring; - substring = 0; q = buf; while (*p != '\0') { - if (*p == '\\') { - p++; - if (*p == '\0') + if (*p == ',') { + if (*(p + 1) != ',') break; - } else if (*p == '\"') { - substring = !substring; p++; - continue; - } else if (!substring && (*p == ',' || *p == '=')) - break; + } if (q && (q - buf) < buf_size - 1) *q++ = *p; p++; @@ -4617,15 +4629,15 @@ static int get_param_value(char *buf, int buf_size, p = str; for(;;) { - p = get_word(option, sizeof(option), p); + p = get_opt_name(option, sizeof(option), p); if (*p != '=') break; p++; if (!strcmp(tag, option)) { - (void)get_word(buf, buf_size, p); + (void)get_opt_value(buf, buf_size, p); return strlen(buf); } else { - p = get_word(NULL, 0, p); + p = get_opt_value(NULL, 0, p); } if (*p != ',') break; @@ -4642,7 +4654,7 @@ static int check_params(char *buf, int buf_size, p = str; for(;;) { - p = get_word(buf, buf_size, p); + p = get_opt_name(buf, buf_size, p); if (*p != '=') return -1; p++; @@ -4651,7 +4663,7 @@ static int check_params(char *buf, int buf_size, break; if (params[i] == NULL) return -1; - p = get_word(NULL, 0, p); + p = get_opt_value(NULL, 0, p); if (*p != ',') break; p++; @@ -4810,18 +4822,18 @@ void do_info_network(void) } } -#define HD_ALIAS "file=\"%s\",index=%d,media=disk" +#define HD_ALIAS "index=%d,media=disk" #ifdef TARGET_PPC #define CDROM_ALIAS "index=1,media=cdrom" #else #define CDROM_ALIAS "index=2,media=cdrom" #endif #define FD_ALIAS "index=%d,if=floppy" -#define PFLASH_ALIAS "file=\"%s\",if=pflash" -#define MTD_ALIAS "file=\"%s\",if=mtd" +#define PFLASH_ALIAS "if=pflash" +#define MTD_ALIAS "if=mtd" #define SD_ALIAS "index=0,if=sd" -static int drive_add(const char *fmt, ...) +static int drive_add(const char *file, const char *fmt, ...) { va_list ap; @@ -4830,8 +4842,10 @@ static int drive_add(const char *fmt, ...) exit(1); } + drives_opt[nb_drives_opt].file = file; va_start(ap, fmt); - vsnprintf(drives_opt[nb_drives_opt], sizeof(drives_opt[0]), fmt, ap); + vsnprintf(drives_opt[nb_drives_opt].opt, + sizeof(drives_opt[0].opt), fmt, ap); va_end(ap); return nb_drives_opt++; @@ -4866,7 +4880,8 @@ int drive_get_max_bus(BlockInterfaceType type) return max_bus; } -static int drive_init(const char *str, int snapshot, QEMUMachine *machine) +static int drive_init(struct drive_opt *arg, int snapshot, + QEMUMachine *machine) { char buf[128]; char file[1024]; @@ -4881,6 +4896,7 @@ static int drive_init(const char *str, int snapshot, QEMUMachine *machine) int index; int cache; int bdrv_flags; + char *str = arg->opt; char *params[] = { "bus", "unit", "if", "index", "cyls", "heads", "secs", "trans", "media", "snapshot", "file", "cache", NULL }; @@ -5051,7 +5067,10 @@ static int drive_init(const char *str, int snapshot, QEMUMachine *machine) } } - get_param_value(file, sizeof(file), "file", str); + if (arg->file == NULL) + get_param_value(file, sizeof(file), "file", str); + else + pstrcpy(file, sizeof(file), arg->file); /* compute bus and unit according index */ @@ -8163,7 +8182,7 @@ int main(int argc, char **argv) break; r = argv[optind]; if (r[0] != '-') { - hda_index = drive_add(HD_ALIAS, argv[optind++], 0); + hda_index = drive_add(argv[optind++], HD_ALIAS, 0); } else { const QEMUOption *popt; @@ -8224,11 +8243,11 @@ int main(int argc, char **argv) break; case QEMU_OPTION_hda: if (cyls == 0) - hda_index = drive_add(HD_ALIAS, optarg, 0); + hda_index = drive_add(optarg, HD_ALIAS, 0); else - hda_index = drive_add(HD_ALIAS + hda_index = drive_add(optarg, HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s", - optarg, 0, cyls, heads, secs, + 0, cyls, heads, secs, translation == BIOS_ATA_TRANSLATION_LBA ? ",trans=lba" : translation == BIOS_ATA_TRANSLATION_NONE ? @@ -8237,19 +8256,19 @@ int main(int argc, char **argv) case QEMU_OPTION_hdb: case QEMU_OPTION_hdc: case QEMU_OPTION_hdd: - drive_add(HD_ALIAS, optarg, popt->index - QEMU_OPTION_hda); + drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); break; case QEMU_OPTION_drive: - drive_add("%s", optarg); + drive_add(NULL, "%s", optarg); break; case QEMU_OPTION_mtdblock: - drive_add(MTD_ALIAS, optarg); + drive_add(optarg, MTD_ALIAS); break; case QEMU_OPTION_sd: - drive_add("file=\"%s\"," SD_ALIAS, optarg); + drive_add(optarg, SD_ALIAS); break; case QEMU_OPTION_pflash: - drive_add(PFLASH_ALIAS, optarg); + drive_add(optarg, PFLASH_ALIAS); break; case QEMU_OPTION_snapshot: snapshot = 1; @@ -8289,12 +8308,10 @@ int main(int argc, char **argv) exit(1); } if (hda_index != -1) - snprintf(drives_opt[hda_index] + - strlen(drives_opt[hda_index]), - sizeof(drives_opt[0]) - - strlen(drives_opt[hda_index]), - ",cyls=%d,heads=%d,secs=%d%s", - cyls, heads, secs, + snprintf(drives_opt[hda_index].opt, + sizeof(drives_opt[hda_index].opt), + HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s", + 0, cyls, heads, secs, translation == BIOS_ATA_TRANSLATION_LBA ? ",trans=lba" : translation == BIOS_ATA_TRANSLATION_NONE ? @@ -8317,7 +8334,7 @@ int main(int argc, char **argv) kernel_cmdline = optarg; break; case QEMU_OPTION_cdrom: - drive_add("file=\"%s\"," CDROM_ALIAS, optarg); + drive_add(optarg, CDROM_ALIAS); break; case QEMU_OPTION_boot: boot_devices = optarg; @@ -8352,8 +8369,7 @@ int main(int argc, char **argv) break; case QEMU_OPTION_fda: case QEMU_OPTION_fdb: - drive_add("file=\"%s\"," FD_ALIAS, optarg, - popt->index - QEMU_OPTION_fda); + drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); break; #ifdef TARGET_I386 case QEMU_OPTION_no_fd_bootchk: @@ -8822,22 +8838,22 @@ int main(int argc, char **argv) /* we always create the cdrom drive, even if no disk is there */ if (nb_drives_opt < MAX_DRIVES) - drive_add(CDROM_ALIAS); + drive_add(NULL, CDROM_ALIAS); /* we always create at least one floppy */ if (nb_drives_opt < MAX_DRIVES) - drive_add(FD_ALIAS, 0); + drive_add(NULL, FD_ALIAS, 0); /* we always create one sd slot, even if no card is in it */ if (nb_drives_opt < MAX_DRIVES) - drive_add(SD_ALIAS); + drive_add(NULL, SD_ALIAS); /* open the virtual block devices */ for(i = 0; i < nb_drives_opt; i++) - if (drive_init(drives_opt[i], snapshot, machine) == -1) + if (drive_init(&drives_opt[i], snapshot, machine) == -1) exit(1); register_savevm("timer", 0, 2, timer_save, timer_load, NULL); |